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If there is any question about a service procedure, it is imperative that you contact a Yamaha dealer for any service information changes that apply to this model. This policy is intended to provide the customer with the most satisfaction from his vehicle and to conform to federal environmental quality objectives.
EBS20004 HOW TO USE THIS MANUAL This manual is intended as a handy, easy-to-read reference book for the mechanic. Comprehensive explanations of all installation, removal, disassembly, assembly, repair and check procedures are laid out with the individual steps in sequential order. •...
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EBS20005 SYMBOLS The following symbols are used in this manual for easier understanding. The following symbols are not relevant to every vehicle. SYMBOL DEFINITION SYMBOL DEFINITION Serviceable with engine mounted Gear oil Filling fluid Molybdenum disulfide oil Lubricant Brake fluid Special tool Wheel bearing grease Tightening torque...
EBS10003 TABLE OF CONTENTS GENERAL INFORMATION SPECIFICATIONS PERIODIC CHECKS AND ADJUSTMENTS CHASSIS ENGINE COOLING SYSTEM FUEL SYSTEM DRIVE TRAIN ELECTRICAL SYSTEM TROUBLESHOOTING...
GENERAL INFORMATION IDENTIFICATION .................... 1-1 VEHICLE IDENTIFICATION NUMBER .............1-1 MODEL LABEL..................1-1 FEATURES...................... 1-3 OUTLINE OF THE EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS model) ..................1-3 INSTRUMENT FUNCTIONS ..............1-5 IMPORTANT INFORMATION ................. 1-7 PREPARATION FOR REMOVAL AND DISASSEMBLY......1-7 REPLACEMENT PARTS................1-7 GASKETS, OIL SEALS AND O-RINGS ............
IDENTIFICATION EBS20009 IDENTIFICATION EBS30003 VEHICLE IDENTIFICATION NUMBER The vehicle identification number “1” is stamped into the frame. EBS30004 MODEL LABEL The model label “1” is affixed to the frame under the driver seat. This information will be needed to order spare parts.
FEATURES EBS20010 FEATURES EBS30007 OUTLINE OF THE EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS model)
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FEATURES 1. Speed information from speed sensor b. Twists torsion bar c. Sends the torque sensor signal 2. Engine RPM information from ECU 3. Battery d. EPS control unit calculates assist power 4. EPS control unit e. Electricity output switched by EPS control unit 5.
FEATURES Pushing the “SELECT” button switches the dis- EBS30008 INSTRUMENT FUNCTIONS play between the odometer mode “ODO” and the tripmeter modes “TRIP A” and “TRIP B” in Multi-function meter unit the following order: ODO → TRIP A → TRIP B → ODO To reset a tripmeter, select it by pushing the “SE- LECT”...
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FEATURES Voltage display mode Refer to “SIGNALING SYSTEM” on page 9-19. Self-diagnosis device This display shows the battery voltage. “ ” appears for 1 second when the voltage display mode is first selected, and then “ ” ap- 1. Fault code display pears and the battery voltage is displayed.
5. Keep all parts away from any source of fire. EBS30010 REPLACEMENT PARTS Use only genuine Yamaha parts for all replace- ments. Use oil and grease recommended by Yamaha for all lubrication jobs. Other brands may be similar in function and appearance, but...
IMPORTANT INFORMATION EBS30013 EBS30015 BEARINGS AND OIL SEALS RUBBER PARTS Install bearings “1” and oil seals “2” so that the Check rubber parts for deterioration during in- manufacturer’s marks or numbers are visible. spection. Some of the rubber parts are sensitive When installing oil seals, lubricate the oil seal to gasoline, flammable oil, grease, etc.
BASIC SERVICE INFORMATION EBS20012 BASIC SERVICE INFORMATION EBS30016 QUICK FASTENERS Rivet type 1. Remove: • Quick fastener To remove the quick fastener, push its pin with a screwdriver, then pull the fastener out. Screw type 1. Remove: • Quick fastener To remove the quick fastener, loosen the screw with a screwdriver, then pull the fastener out.
BASIC SERVICE INFORMATION ECB01520 EBS30017 NOTICE ELECTRICAL SYSTEM Be sure to connect the battery leads to the correct battery terminals. Reversing the bat- Electrical parts handling tery lead connections could damage the ECB01460 NOTICE electrical components. Never disconnect a battery lead while the en- gine is running;...
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BASIC SERVICE INFORMATION ECB01480 Checking the electrical system NOTICE Handle electrical components with special Before checking the electrical system, make care, and do not subject them to strong shocks. sure that the battery voltage is at least 12 V. ECB01490 ECB01440 NOTICE NOTICE...
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BASIC SERVICE INFORMATION 2. Check: Checking the connections • Lead Check the leads, couplers, and connectors for • Coupler stains, rust, moisture, etc. • Connector 1. Disconnect: Moisture → Dry with an air blower. • Lead Rust/stains → Connect and disconnect sev- •...
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BASIC SERVICE INFORMATION The resistance values shown were obtained at the standard measuring temperature of 20 °C (68 °F). If the measuring temperature is not 20 °C (68 °F), the specified measuring conditions will be shown. Intake air temperature sensor re- sistance 5.40–6.60 kΩ...
ENGINE SPECIFICATIONS EBS20015 ENGINE SPECIFICATIONS Engine Engine type Liquid cooled 4-stroke, DOHC Cylinder arrangement Single cylinder Displacement 708 cm³ Bore × stroke 103.0 × 85.0 mm (4.06 × 3.35 in) Compression ratio 10.1 : 1 Standard compression pressure (at sea level) 650–1000 kPa (6.5–10.0 kgf/cm², 92.4–142.2 psi) Starting system...
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ENGINE SPECIFICATIONS Cooling system Coolant quantity Radiator (including all routes) 2.85 L (3.01 US qt, 2.51 Imp.qt) Coolant reservoir (up to the maximum level mark) 0.20 L (0.21 US qt, 0.18 Imp.qt) Radiator core Width 400.0 mm (15.75 in) Height 253.4 mm (9.98 in) Depth 28.0 mm (1.10 in)
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ENGINE SPECIFICATIONS Valve-stem-to-valve-guide clearance (intake) limit 0.080 mm (0.0031 in) Valve-stem-to-valve-guide clearance (exhaust) limit 0.100 mm (0.0039 in) Valve stem runout 0.040 mm (0.0016 in) Valve spring Installed length (intake) 30.95 mm (1.22 in) Installed length (exhaust) 32.20 mm (1.27 in) Installed compression spring force (intake) 134.00–154.00 N (13.66–15.70 kgf, 30.12–...
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ENGINE SPECIFICATIONS Clutch-stall revolution 3550–3650 r/min V-belt V-belt width limit 32.5 mm (1.28 in) Transmission type V-belt automatic Gear ratio 2.474–0.656 : 1 Low range 31/16 (1.938) High range 30/22 (1.364) 23/14 × 28/23 (2.000) Reverse gear Drive axle runout limit 0.06 mm (0.0024 in) 43/21 ×...
CHASSIS SPECIFICATIONS EBS20016 CHASSIS SPECIFICATIONS Chassis Frame type Steel tube frame Caster angle 3.7° Camber angle 0.4° Kingpin angle 12.7° Kingpin offset 7.7 mm (0.30 in) Trail 19.0 mm (0.75 in) Toe-in (with tires touching the ground) 5.0–15.0 mm (0.20–0.59 in) Tread rear (STD) 1304.0 mm (51.34 in) Tread front (STD)
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CHASSIS SPECIFICATIONS Disc outside diameter × thickness 207.0 × 4.0 mm (8.15 × 0.16 in) Brake disc thickness limit 3.5 mm (0.14 in) Brake disc deflection limit 0.10 mm (0.0039 in) Brake pad lining thickness limit 1.0 mm (0.04 in) Master cylinder inside diameter 17.46 mm (0.69 in) 32.03 mm ×...
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CHASSIS SPECIFICATIONS Installed length 378.0 mm (14.88 in) Spring preload adjusting positions Minimum 386.0 mm (15.20 in) Standard 378.0 mm (14.88 in) Maximum 372.0 mm (14.65 in) Rebound damping adjusting positions Minimum 30 click(s) out from the fully turned in position Standard 14 click(s) out from the fully turned in position Maximum...
ELECTRICAL SPECIFICATIONS EBS20017 ELECTRICAL SPECIFICATIONS Voltage System voltage 12 V Engine control unit Model/manufacturer F8T85877/MITSUBISHI Ignition system Ignition system Advancer type Digital Ignition timing (B.T.D.C.) 7.0°/1600 r/min 152.0–228.0 Ω Pickup coil resistance Ignition coil Minimum ignition spark gap 6.0 mm (0.24 in) 2.16–2.64 Ω...
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ELECTRICAL SPECIFICATIONS Low-range indicator light Differential gear lock indicator light 14 V, 0.85 W × 2 Helmet/Seat belt indicator light EPS warning light LED (for EPS models) Starter motor Power output 0.80 kW 0.025–0.035 Ω Armature coil resistance Brush overall length limit 5.0 mm (0.20 in) Commutator diameter limit 27.0 mm (1.06 in)
TIGHTENING TORQUES EBS20018 TIGHTENING TORQUES EBS30018 GENERAL TIGHTENING TORQUE SPECIFICATIONS This chart specifies tightening torques for stan- dard fasteners with a standard ISO thread pitch. Tightening torque specifications for special com- ponents or assemblies are provided for each chapter of this manual. To avoid warpage, tight- en multi-fastener assemblies in a crisscross pat- tern and progressive stages until the specified tightening torque is reached.
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TIGHTENING TORQUES Cylinder head bolt and cylinder bolt 1. Temporarily tighten the cylinder head bolts (M6) and cylinder bolts (M6). 2. Tighten the cylinder head bolts (M11) to 30 Nm (3.0 m·kgf, 22 ft·lbf) in the proper tightening se- quence. 3.
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TIGHTENING TORQUES Oil pump bolt Tighten the oil pump bolts to 10 Nm (1.0 m·kgf, 7.2 ft·lbf) in the proper tightening sequence. 2-16...
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TIGHTENING TORQUES Thread Item Q’ty Tightening torque Remarks size Horn switch lead nut (except for — 2.3 Nm (0.23 m·kgf, 1.7 ft·lbf) CDN) Horn bolt (except for CDN) 7 Nm (0.7 m·kgf, 5.1 ft·lbf) Enclosure bolt and nut Tighten the enclosure bolts and nuts to specification in the proper tightening sequence. Enclosure tightening sequence: Steering assembly bolt Tighten the steering assembly bolts to 48 Nm (4.8 m·kgf, 35 ft·lbf) in the proper tightening sequence.
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TIGHTENING TORQUES Fuel pump tightening sequence: Final drive assembly bolt and nut Tighten the final drive assembly bolts and nuts to specification in the proper tightening sequence. Final drive assembly tightening sequence: 2-23...
Shift forks and shift fork guide bar Shift fork and transmission gear contact surface Shift drum stopper ball Shift lever 1 and shift lever 2 Transmission gears Transmission washer and bearing Transmission collars Yamaha bond No.1215 Crankcase mating surface (Three Bond No.1215®) 2-24...
CABLE ROUTING EBS20022 CABLE ROUTING Frame front (left view) 2-39...
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CABLE ROUTING 1. Horn lead (except for CDN) 2. Headlight lead (left) 3. Throttle cable 4. Brake light switch lead 5. Radiator inlet hose 6. Wire harness 7. EPS torque sensor lead (for EPS models) 8. EPS motor lead (for EPS models) 9.
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CABLE ROUTING Frame center (left view) 2-41...
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CABLE ROUTING 1. Parking brake switch lead 2. Parking brake cable 3. Throttle cable 4. Seat belt switch lead 5. Thermostat outlet hose 6. Wire harness 7. Reverse switch lead 8. Gear position switch lead 9. Coolant temperature sensor lead 10.
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CABLE ROUTING Frame front (right view) 2-43...
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CABLE ROUTING 1. Radiator fan motor breather hose 2. Differential assembly breather hose 3. Coolant reservoir breather hose 4. Headlight lead (right) 5. Horn lead (except for CDN) 6. Radiator outlet hose 7. Differential motor lead 8. Coolant reservoir hose 9.
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CABLE ROUTING Frame center (right view) 2-45...
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CABLE ROUTING 1. Wire harness 2. Seat belt switch lead 3. Parking brake switch lead 4. AC magneto lead 5. Water pump inlet hose 6. Final drive assembly breather hose 7. Fuel injector lead 8. TPS (throttle position sensor) lead 9.
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CABLE ROUTING 1. Wire harness 2. Headlight lead (right) 3. Load control relay 4. Differential motor relay 2 5. Fuel injection system relay 6. Differential motor relay 1 7. Radiator fan motor relay 8. Headlight relay 9. Main fuse lead 10.
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CABLE ROUTING Frame front (top view) 2-49...
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CABLE ROUTING 1. Horn lead (except for CDN) 2. Radiator outlet hose 3. Headlight lead (right) 4. Auxiliary DC jack lead 5. Meter assembly lead 6. Indicator light assembly lead 7. Parking brake switch lead 8. Throttle cable 9. Horn switch lead (except for CDN) 10.
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CABLE ROUTING Frame center (top view) 1 2-51...
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CABLE ROUTING 1. Fuel hose 2. Fuel injector lead 3. Wire harness 4. Coolant temperature sensor lead 5. Spark plug lead 6. Air induction system solenoid lead 7. Ignition coil lead 8. Seat belt switch lead 9. Thermostat outlet hose 10.
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CABLE ROUTING Frame center (top view) 2 2-53...
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CABLE ROUTING 1. Parking brake switch lead 2. Wire harness 3. Ground lead 4. Starter motor lead 5. Fuel pump lead 6. Final drive assembly breather hose 7. Parking brake buzzer lead A. Fasten the parking brake switch lead with the plastic band.
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CABLE ROUTING Fuel tank (top view) 2-55...
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CABLE ROUTING 1. Fuel hose 2. Fuel pump lead 3. Fuel tank breather hose (fuel tank breather hose joint to atmosphere) 4. Fuel tank breather hose (fuel tank to fuel tank breather hose joint) A. Fasten the grommet on the fuel hose with the holder.
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CABLE ROUTING Front brake caliper (left view) 2-57...
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CABLE ROUTING 1. Front brake pipe 2. Rear brake pipe 3. Front brake hose A. Fasten the grommet on the front brake hose with the holder. B. Fasten the front brake hose with the holder. 2-58...
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CABLE ROUTING 1. Rear brake pipe 2. Rear brake hose A. Fasten the rear brake hose with the holder. B. Fasten the grommet on the rear brake hose with the holder. C. Fasten the rear brake pipe with the holder. D.
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CABLE ROUTING Front brake caliper (top view) 2-61...
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CABLE ROUTING 1. Front brake pipe 2. Rear brake pipe 3. Front brake hose A. Face the paint mark upward. B. Fasten the grommet on the front brake hose with the holder. C. Route the front brake hose under the front upper arm.
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CABLE ROUTING Brake pipe (top and left view) 2-63...
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CABLE ROUTING 1. Rear brake pipe A. Fasten the rear brake pipe with the holder. 2-64...
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CABLE ROUTING 1. Rear brake pipe 2. Rear brake hose A. Fasten the rear brake pipe with the holder. B. Fasten the rear brake hose with the holder. C. Fasten the grommet on the rear brake hose with the holder. 2-66...
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CABLE ROUTING 1. Parking brake cable A. Fit the parking brake cable into the holder on the final drive case. B. Fit the parking brake cable into the slit in the parking brake lever. 2-68...
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CABLE ROUTING Final drive assembly (left and right view) 2-69...
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CABLE ROUTING 1. Wire harness 2. Tail/brake light lead (left) 3. Final drive assembly breather hose 4. Tail/brake light lead (right) A. Fasten the wire harness with the holder. B. Place the slack in the tail/brake light lead in the area shown in the illustration.
PERIODIC CHECKS AND ADJUSTMENTS PERIODIC MAINTENANCE ................3-1 INTRODUCTION ..................3-1 PERIODIC MAINTENANCE CHART FOR THE EMISSION CONTROL SYSTEM ....................3-1 GENERAL MAINTENANCE AND LUBRICATION CHART .......3-1 CHECKING THE FUEL LINE ..............3-3 ADJUSTING THE VALVE CLEARANCE ..........3-3 CHECKING THE SPARK PLUG ............... 3-6 CHECKING THE BREATHER HOSE............3-6 CHECKING THE EXHAUST SYSTEM............3-7 ADJUSTING THE EXHAUST GAS VOLUME ...........3-7...
However, keep in mind that if the vehicle isn’t used for a long period of time, the month main- tenance intervals should be followed. • Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills.
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PERIODIC MAINTENANCE INITIAL EVERY month CHECK OR MAINTENANCE Whichever ITEM 1200 2400 2400 4800 comes first km (mi) (200) (750) (1500) (1500) (3000) hours Final gear oil/Differ- • Check oil level/oil leakage. √ √ ential gear oil • Replace. • Check operation/brake pad wear/fluid leakage. √...
PERIODIC MAINTENANCE • Cylinder head cover EBS30027 CHECKING THE FUEL LINE Refer to “CAMSHAFTS” on page 5-10. 1. Remove: ECB01270 • Rear panel (right) NOTICE Refer to “GENERAL CHASSIS (1)” on page Before removing the spark plug, blow away 4-1. any dirt accumulated in the spark plug well •...
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PERIODIC MAINTENANCE Thickness gauge 90890-03180 Feeler gauge set YU-26900-9 b. Calculate the difference between the speci- fied valve clearance and the measured valve clearance. Example: Specified valve clearance = 0.10–0.20 mm (0.0039–0.0079 in) ▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲...
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PERIODIC MAINTENANCE e. Install the exhaust and intake camshafts, tim- Number “a” Thickness ing chain and camshaft cap. 1.700 mm (0.06693 in) Camshaft cap bolt 1.725 mm (0.06791 in) 10 Nm (1.0 m·kgf, 7.2 ft·lbf) 1.750 mm (0.06890 in) 1.775 mm (0.06988 in) 1.800 mm (0.07087 in) •...
Yamaha diagnostic tool. For more information, refer to the opera- tion manual of the Yamaha diagnostic tool. 1. Connect the Yamaha diagnostic tool to the coupler. For information about connecting the Yamaha diagnostic tool, refer to “YAMAHA DIAGNOSTIC TOOL”...
PERIODIC MAINTENANCE d. Install a new gasket, and then insert the tail- pipe into the muffler and align the bolt holes. e. Install the bolts “1” and tighten them. Spark arrester bolt 10 Nm (1.0 m·kgf, 7.2 ft·lbf) ▲ ▲▲▲ ▲...
PERIODIC MAINTENANCE 2. Check: • Hood • Coolant level Refer to “GENERAL CHASSIS (6)” on page The coolant level should be between the 4-12. maximum level mark “a” and minimum level 2. Remove: mark “b”. • Coolant reservoir cap “1” Below the minimum level mark →...
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PERIODIC MAINTENANCE ECB01310 NOTICE Place a container under the engine, and then re- • Adding water instead of coolant dilutes the move the coolant drain bolt. antifreeze concentration of the coolant. If water is used instead of coolant; check, and if necessary, correct the antifreeze concentration of the coolant.
PERIODIC MAINTENANCE 2. Remove: Water pump air bleed bolt • Center storage compartment 8 Nm (0.8 m·kgf, 5.8 ft·lbf) Refer to “GENERAL CHASSIS (3)” on page 4-6. c. Loosen the thermostat cover air bleed bolt “2”, without removing it, to allow all of the air There are check hoses “1”...
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PERIODIC MAINTENANCE ECB01800 NOTICE The engine should never be run without the air filter; excessive piston and/or cylinder wear may result. c. Properly dispose of the used solvent. d. Carefully wash the air filter element in soap water. 6. Check: •...
PERIODIC MAINTENANCE 8. Assemble: • Air filter element frame • Air filter element • Air filter element holder 9. Install: • Air filter element assembly 10.Install: • Air filter case cover 11.Install: • Center storage compartment Refer to “GENERAL CHASSIS (3)” on page Recommended brand 4-6.
PERIODIC MAINTENANCE EBS30039 CHANGING THE ENGINE OIL 1. Start the engine, warm it up for several min- utes, and then turn it off. 2. Remove: • Passenger seat cushion Refer to “GENERAL CHASSIS (2)” on page 4-3. • Passenger seat belt buckle rubber cover Refer to “GENERAL CHASSIS (3)”...
PERIODIC MAINTENANCE EWB03620 WARNING The engine, muffler and engine oil are ex- tremely hot. 9. Install: • Dipstick 10.Start the engine, warm it up for several min- utes, and then turn it off. 11.Check: 5. Install: • Engine • Oil pressure gauge “1” (for engine oil leaks) •...
PERIODIC MAINTENANCE 7. Install: EBS30041 CHANGING THE FINAL GEAR OIL • Main gallery bolt 1. Place the vehicle on a level surface. • Gasket 2. Place a container under the final drive case. 3. Remove: Main gallery bolt • Final gear oil filler bolt “1” 35 Nm (3.5 m·kgf, 25 ft·lbf) (along with the gasket) LOCTITE®...
PERIODIC MAINTENANCE EBS30042 CHECKING THE DIFFERENTIAL GEAR OIL LEVEL 1. Place the vehicle on a level surface. 2. Remove: • Differential gear oil filler bolt “1” (along with the gasket) 3. Check: • Differential gear oil level The differential gear oil level should be up to the brim “2”...
PERIODIC MAINTENANCE Differential gear oil filler bolt 23 Nm (2.3 m·kgf, 17 ft·lbf) EBS30044 CHECKING THE FRONT BRAKE PADS The following procedure applies to all of the front brake pads. 1. Remove: • Front wheels Refer to “FRONT AND REAR WHEELS” on 4.
PERIODIC MAINTENANCE È In order to ensure a correct reading of the brake fluid level, make sure the top of the brake master cylinder reservoir is horizontal. É EBS30046 BLEEDING THE HYDRAULIC BRAKE SYSTEM EWB02800 WARNING Bleed the hydraulic brake system whenever: A.
PERIODIC MAINTENANCE EBS30054 ADJUSTING THE ACCELERATOR PEDAL FREE PLAY 1. Check: • Accelerator pedal free play “a” Out of specification → Adjust. Accelerator pedal free play 12.0–32.0 mm (0.47–1.26 in) 3. Remove: • Center storage compartment Refer to “GENERAL CHASSIS (3)” on page 4-6.
PERIODIC MAINTENANCE h. Install a new gasket and the throttle cable housing cover. If length “c” is 8.5 mm (0.33 in) or more, loosen locknut “5” and turn the adjusting nut “6” in direc- Throttle cable housing cover tion “d” or “e” until the specified accelerator ped- screw al free play is obtained.
PERIODIC MAINTENANCE 5. Install: b. Remove the V-belt “2” from the primary sheave and secondary sheave. • Drive belt cover Refer to “PRIMARY AND SECONDARY SHEAVES” on page 5-50. 6. Install: • V-belt cooling ducts Refer to “GENERAL CHASSIS (10)” on page 4-21.
Tire characteristics influence the handling of 75.0 kPa (0.750 kgf/cm², 11 psi) vehicles. The tires listed below have been Rear approved by Yamaha Motor Co., Ltd. for this 75.0 kPa (0.750 kgf/cm², 11 psi) model. If other tire combinations are used, Minimum Vehicle load they can adversely affect your vehicle’s han-...
PERIODIC MAINTENANCE EWB03100 WARNING Maximum loading limit 327.0 kg (721 lb) It is dangerous to ride with a worn-out tire. (Total weight of operator, pas- When the tire tread reaches the wear limit, re- senger, cargo, accessories, and place the tire immediately. tongue) Rear carrier load limit 136.0 kg (300 lb)
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PERIODIC MAINTENANCE Ring nut wrench 90890-01268 Spanner wrench YU-01268 ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Elevate the front wheels by placing a suitable stand under the frame. b.
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PERIODIC MAINTENANCE ECB02480 NOTICE Rebound damping adjusting posi- tions Do not force the adjuster past the minimum Minimum or maximum extent of adjustment. The ad- 30 click(s) out from the fully juster may be damaged. turned in position Standard 13 click(s) out from the fully turned in position Maximum 1 click(s) out from the fully...
PERIODIC MAINTENANCE c. Turn the adjusting ring “2” in direction “a” or “b”. Direction “a” Spring preload is increased (suspen- sion is harder). Direction “b” Spring preload is decreased (suspen- sion is softer). ▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲...
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PERIODIC MAINTENANCE ECB02480 NOTICE Steering nut wrench 90890-01443 Do not force the adjuster past the minimum Spanner wrench or maximum extent of adjustment. The ad- YU-33975 juster may be damaged. Locknut 30 Nm (3.0 m·kgf, 22 ft·lbf) • Set the torque wrench at a right angle to the steering nut wrench.
PERIODIC MAINTENANCE EBS30061 CHECKING THE STEERING SYSTEM 1. Place the vehicle on a level surface. 2. Check: • Steering column (except for EPS models) • EPS unit (for EPS models) • Steering wheel nut Move the steering wheel up and down, and back and forth.
PERIODIC MAINTENANCE Excessive free play → Replace the front arms (upper and lower) and/or wheel bear- ings. EBS30062 ADJUSTING THE TOE-IN 1. Place the vehicle on a level surface. 2. Measure: • Toe-in Out of specification → Adjust. C. Forward Toe-in (with tires touching the ground) ▲...
PERIODIC MAINTENANCE TY SHAFT ASSEMBLIES, FINAL DRIVE ASSEMBLY AND REAR DRIVE SHAFT” on page 8-18. A. Front B. Rear EBS30069 CHECKING THE FASTENER 1. Check: • Fasteners Damage/pitting → Replace. Refer to “GENERAL CHASSIS (1)” on page 4-1, “GENERAL CHASSIS (3)” on page 4-6, “GENERAL CHASSIS (6)”...
CHASSIS GENERAL CHASSIS (1) ................. 4-1 INSTALLING THE DOOR................4-2 GENERAL CHASSIS (2) ................. 4-3 REMOVING THE SEATS ................4-4 ADJUSTING THE DRIVER SEAT POSITION...........4-4 INSTALLING THE SEATS................. 4-4 GENERAL CHASSIS (3) ................. 4-6 GENERAL CHASSIS (4) ................. 4-7 INSTALLING THE SEAT BELTS............... 4-8 GENERAL CHASSIS (5) .................
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FRONT AND REAR BRAKES............... 4-27 INTRODUCTION ..................4-34 CHECKING THE BRAKE DISCS ............4-34 REPLACING THE BRAKE PADS............4-35 DISASSEMBLING THE BRAKE CALIPERS ...........4-36 CHECKING THE BRAKE CALIPERS .............4-36 ASSEMBLING THE BRAKE CALIPERS ..........4-36 INSTALLING THE BRAKE CALIPERS ...........4-37 CHECKING THE BRAKE MASTER CYLINDER ........4-38 CHECKING THE BRAKE PIPES.............
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REAR ARMS AND REAR SHOCK ABSORBER ASSEMBLIES ....4-63 CHECKING THE REAR ARMS ...............4-65 HANDLING THE REAR SHOCK ABSORBER ASSEMBLIES ....4-65 DISPOSING OF A REAR SHOCK ABSORBER ASSEMBLY ....4-65 CHECKING THE REAR SHOCK ABSORBER ASSEMBLIES....4-65 INSTALLING THE REAR ARMS AND REAR SHOCK ABSORBER ASSEMBLIES ..................
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GENERAL CHASSIS (1) EBS20024 GENERAL CHASSIS (1) Removing the doors and side panels 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) •...
GENERAL CHASSIS (1) EBS30419 INSTALLING THE DOOR The following procedure applies to both of the doors. 1. Install: • Door hinge “1” Door hinge nut 7 Nm (0.7 m·kgf, 5.1 ft·lbf) 2. Install: • Door “1” Fit the tab “a” on the door hinge with the slot “b” in the frame.
GENERAL CHASSIS (2) EBS20087 GENERAL CHASSIS (2) Removing the seats 6 Nm (0.6 m kgf, 4.3 ft Ibf) • • 23 Nm (2.3 m kgf, 17 ft Ibf) • • 23 Nm (2.3 m kgf, 17 ft Ibf) • • ’...
GENERAL CHASSIS (2) EBS30340 REMOVING THE SEATS The following procedure applies to both of the seats. 1. Remove: • Seat cushion “1” ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a.
GENERAL CHASSIS (3) EBS20088 GENERAL CHASSIS (3) Removing the center cover and floor boards 9 Nm (0.9 m kgf, 6.5 ft Ibf) • • 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) • • 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) •...
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GENERAL CHASSIS (4) EBS20089 GENERAL CHASSIS (4) Removing the seat belts 59 Nm (5.9 m kgf, 43 ft Ibf) 59 Nm (5.9 m kgf, 43 ft Ibf) • • • • 59 Nm (5.9 m kgf, 43 ft Ibf) • •...
GENERAL CHASSIS (4) EBS30343 INSTALLING THE SEAT BELTS 1. Install: • Seat belt buckles Seat belt buckle bolt 59 Nm (5.9 m·kgf, 43 ft·lbf) • Fit the passenger seat belt buckle “1” into the slot “a” in the frame. • Fit the driver seat belt buckle “2” into the slot “b” in the seat belt buckle bracket.
GENERAL CHASSIS (5) EBS20090 GENERAL CHASSIS (5) Removing the sun top 3.0 Nm (0.30 m kgf, 2.2 ft Ibf) • • ’ Order Job/Parts to remove Remarks Sun top rear bracket Sun top front bracket Sun top Damper Damper...
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GENERAL CHASSIS (5) Removing the enclosure 70 Nm (7.0 m kgf, 51 ft Ibf) • • 70 Nm (7.0 m kgf, 51 ft Ibf) • • 41 Nm (4.1 m kgf, 30 ft Ibf) • • 70 Nm (7.0 m kgf, 51 ft Ibf) •...
GENERAL CHASSIS (6) EBS20091 GENERAL CHASSIS (6) Removing the hood and battery 1.5 Nm (0.15 m kgf, 1.1 ft Ibf) • • 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) • • 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) •...
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GENERAL CHASSIS (7) EBS20092 GENERAL CHASSIS (7) Removing the front fender and instrument panel assembly 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 35 Nm (3.5 m kgf, 25 ft Ibf) •...
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GENERAL CHASSIS (7) Removing the front fender and instrument panel assembly 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 35 Nm (3.5 m kgf, 25 ft Ibf) • •...
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GENERAL CHASSIS (7) Disassembling the instrument panel assembly 3.8 Nm (0.38 m kgf, 2.8 ft Ibf) • • ’ Order Job/Parts to remove Remarks Meter assembly Indicator light assembly On-Command four-wheel-drive switch Light switch Main switch Auxiliary DC jack Horn switch Except for CDN Instrument panel 4-15...
GENERAL CHASSIS (7) EBS30345 REMOVING THE STEERING WHEEL 1. Turn the steering wheel so that it is straight and the front wheels are pointing straight ahead. 2. Remove: • Steering wheel cover “1” While pushing the ends of the projections “a” to- gether, remove the steering wheel cover from the steering wheel.
GENERAL CHASSIS (8) EBS20102 GENERAL CHASSIS (8) Removing the electrical components tray 3.6 Nm (0.36 m kgf, 2.6 ft Ibf) • • 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) • • 2.5 Nm (0.25 m kgf, 1.8 ft Ibf) •...
GENERAL CHASSIS (8) Removing the electrical components tray 3.6 Nm (0.36 m kgf, 2.6 ft Ibf) • • 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) • • 2.5 Nm (0.25 m kgf, 1.8 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) •...
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GENERAL CHASSIS (9) EBS20103 GENERAL CHASSIS (9) Removing the cargo bed 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) • • 33 Nm (3.3 m kgf, 24 ft Ibf) • • 9 Nm (0.9 m kgf, 6.5 ft Ibf) • •...
GENERAL CHASSIS (9) EBS30420 INSTALLING THE CARGO BED 1. Install: • Cargo bed “1” Cargo bed bolt 9 Nm (0.9 m·kgf, 6.5 ft·lbf) Tighten the bolts “2” and “3” in the order listed, and then tighten the bolts “4”. 4-20...
GENERAL CHASSIS (10) EBS20104 GENERAL CHASSIS (10) Removing the V-belt cooling ducts 2.0 Nm (0.20 m kgf, 1.4 ft Ibf) 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • • • 4.0 Nm (0.40 m kgf, 2.9 ft Ibf) •...
FRONT AND REAR WHEELS EBS20025 FRONT AND REAR WHEELS Removing the wheels and brake discs 48 Nm (4.8 m kgf, 35 ft Ibf) • • 30 Nm (3.0 m kgf, 22 ft Ibf) • • 350 Nm (35.0 m kgf, 253 ft lbf) •...
FRONT AND REAR WHEELS • Wheel EBS30083 REMOVING THE WHEELS Refer to “CHECKING THE TIRES” on page 1. Place the vehicle on a level surface. 3-25 and “CHECKING THE WHEELS” on 2. Elevate: page 3-24. • Wheels EWB03020 WARNING Place the vehicle on a suitable stand so that the After replacing the tire, ride conservatively to wheels are elevated.
FRONT AND REAR WHEELS Install the brake disc so that the recessed por- tion of the bolt hole faces away from the hub. EBS30088 INSTALLING THE WHEEL HUBS The following procedure applies to all of the wheel hubs. 1. Install: •...
FRONT AND REAR WHEELS 3. Check: • Brake disc Refer to “CHECKING THE BRAKE DISCS” on page 4-34. EBS30089 INSTALLING THE WHEELS The following procedure applies to all of the wheels. 1. Tighten: • Wheel nuts “1” Front wheel nut 75 Nm (7.5 m·kgf, 54 ft·lbf) Rear wheel nut 75 Nm (7.5 m·kgf, 54 ft·lbf)
FRONT AND REAR BRAKES EBS20026 FRONT AND REAR BRAKES Removing the front brake pads 48 Nm (4.8 m kgf, 35 ft Ibf) • • 5 Nm (0.5 m kgf, 3.6 ft Ibf) • • 17 Nm (1.7 m kgf, 12 ft Ibf) •...
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FRONT AND REAR BRAKES Removing the rear brake pads 48 Nm (4.8 m kgf, 35 ft Ibf) • • 5 Nm (0.5 m kgf, 3.6 ft Ibf) • • 17 Nm (1.7 m kgf, 12 ft Ibf) • • ’ Order Job/Parts to remove Remarks...
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FRONT AND REAR BRAKES Removing the front brake calipers 48 Nm (4.8 m kgf, 35 ft Ibf) • • 17 Nm (1.7 m kgf, 12 ft Ibf) • • 27 Nm (2.7 m kgf, 20 ft Ibf) • • ’ Order Job/Parts to remove Remarks...
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FRONT AND REAR BRAKES Removing the rear brake calipers 48 Nm (4.8 m kgf, 35 ft Ibf) • • 17 Nm (1.7 m kgf, 12 ft Ibf) • • 27 Nm (2.7 m kgf, 20 ft Ibf) • • ’ Order Job/Parts to remove Remarks...
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FRONT AND REAR BRAKES Disassembling the front brake calipers 22 Nm (2.2 m kgf, 16 ft Ibf) • • 17 Nm (1.7 m kgf, 12 ft Ibf) • • 5 Nm (0.5 m kgf, 3.6 ft Ibf) • • 17 Nm (1.7 m kgf, 12 ft Ibf) •...
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FRONT AND REAR BRAKES Disassembling the rear brake calipers 22 Nm (2.2 m kgf, 16 ft Ibf) • • 17 Nm (1.7 m kgf, 12 ft Ibf) • • 5 Nm (0.5 m kgf, 3.6 ft Ibf) • • 17 Nm (1.7 m kgf, 12 ft Ibf) •...
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FRONT AND REAR BRAKES Removing the brake master cylinder 19 Nm (1.9 m kgf, 14 ft Ibf) • • 3.5 Nm (0.35 m kgf, 2.5 ft Ibf) • • 16 Nm (1.6 m kgf, 12 ft Ibf) • • ’ Order Job/Parts to remove Remarks...
FRONT AND REAR BRAKES b. Measure the deflection 3.0 mm (0.12 in) be- EBS30090 INTRODUCTION low the edge of the brake disc. EWB02930 WARNING Disc brake components rarely require disas- sembly. Therefore, always follow these pre- ventive measures: • Never disassemble brake components un- less absolutely necessary.
FRONT AND REAR BRAKES • Brake pads Always install new brake pads and brake pad spring as a set. ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Connect a clear plastic hose “1” tightly to the bleed screw “2”.
FRONT AND REAR BRAKES EBS30093 Recommended brake component replacement DISASSEMBLING THE BRAKE CALIPERS schedule The following procedure applies to all of the brake calipers. Piston seals, piston Every two years dust seals Brake hoses Every four years Before disassembling the brake caliper, drain the brake fluid from the entire brake system.
FRONT AND REAR BRAKES Specified brake fluid DOT 4 EBS30096 INSTALLING THE BRAKE CALIPERS The following procedure applies to all of the brake calipers. 1. Install: • Brake caliper “1” (temporarily) • Copper washers • Brake hose “2” • Brake hose union bolt “3” Front brake hose union bolt 27 Nm (2.7 m·kgf, 20 ft·lbf) Rear brake hose union bolt...
FRONT AND REAR BRAKES 4. Fill: 2. Check: • Brake master cylinder reservoir • Brake master cylinder reservoir Cracks/damage → Replace the brake master (with the specified amount of the specified brake fluid) cylinder. • Brake master cylinder reservoir diaphragm Specified brake fluid •...
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FRONT AND REAR BRAKES EWB02880 WARNING • Use only the designated brake fluid. Other brake fluids may cause the rubber seals to deteriorate, causing leakage and poor brake performance. • Refill with the same type of brake fluid that is already in the system. Mixing brake fluids may result in a harmful chemical reaction, leading to poor brake performance.
PARKING BRAKE EBS20027 PARKING BRAKE Disassembling the parking brake (10) 28 Nm (2.8 m kgf, 20 ft Ibf) • • 28 Nm (2.8 m kgf, 20 ft Ibf) • • 28 Nm (2.8 m kgf, 20 ft Ibf) • • ’...
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PARKING BRAKE Removing the parking brake lever 16 Nm (1.6 m kgf, 12 ft Ibf) • • 1.5 Nm (0.15 m kgf, 1.1 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 13 Nm (1.3 m kgf, 9.4 ft Ibf) •...
PARKING BRAKE EBS30421 CHECKING THE FRICTION PLATES Pitting on the parking brake boss will cause er- The following procedure applies to all of the fric- ratic brake operation. tion plates. 1. Check: • Friction plate Damage/wear → Replace the friction plates as a set.
PARKING BRAKE EBS30105 INSTALLING THE PARKING BRAKE LEVER 1. Install: • Parking brake lever Parking brake lever bolt 13 Nm (1.3 m·kgf, 9.4 ft·lbf) 2. Adjust: • Parking brake lever free play Refer to “ADJUSTING THE PARKING BRAKE” on page 3-21. 4-43...
PEDAL ASSEMBLY EBS30106 INSTALLING THE PEDAL ASSEMBLY 1. Install: • Throttle cable ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Turn the nut “1” until it stops, and then install the throttle cable to the plate.
STEERING SYSTEM EBS20029 STEERING SYSTEM Removing the steering assembly 21 Nm (2.1 m kgf, 15 ft Ibf) • • 33 Nm (3.3 m kgf, 24 ft Ibf) • • 40 Nm (4.0 m kgf, 29 ft Ibf) • • 33 Nm (3.3 m kgf, 24 ft Ibf) •...
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STEERING SYSTEM Removing the steering assembly 21 Nm (2.1 m kgf, 15 ft Ibf) • • 33 Nm (3.3 m kgf, 24 ft Ibf) • • 40 Nm (4.0 m kgf, 29 ft Ibf) • • 33 Nm (3.3 m kgf, 24 ft Ibf) •...
STEERING SYSTEM 7. Adjust: • Toe-in Refer to “ADJUSTING THE TOE-IN” on page 3-32. EBS30426 LUBRICATING THE STEERING SHAFT Lubricate the pivoting point and metal-to-metal moving parts of the shaft. Recommended lubricant Lithium-soap-based grease 4-51...
STEERING KNUCKLES e. Apply lithium-soap-based grease to the spac- EBS30110 REMOVING THE STEERING KNUCKLES er, new bearings and oil seals. The following procedure applies to both of the f. Install the spacer to the steering knuckle. steering knuckles. g. Install the new bearings. 1.
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STEERING KNUCKLES Tool name Tool No. Long bolt 90890-01474 Body YM-01474 Guide bolt 90890-01477 Installer washer YM-01477 90890-01553 Base plate 35 mm YM-01553 Ball joint installer at- 90890-01555 d. Measure the ball joint bore inside diameter tachment 39 mm YS-01881-A “a”.
FRONT ARMS AND FRONT SHOCK ABSORBER ASSEMBLIES EBS20031 FRONT ARMS AND FRONT SHOCK ABSORBER ASSEMBLIES Removing the front arms and front shock absorber assemblies 55 Nm (5.5 m kgf, 40 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) •...
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FRONT ARMS AND FRONT SHOCK ABSORBER ASSEMBLIES Removing the front arms and front shock absorber assemblies 55 Nm (5.5 m kgf, 40 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 55 Nm (5.5 m kgf, 40 ft Ibf) •...
FRONT ARMS AND FRONT SHOCK ABSORBER ASSEMBLIES damage or personal injury that may result EBS30113 CHECKING THE FRONT ARMS from improper handling of the front shock The following procedure applies to both of the absorber and gas cylinder. front upper arms and front lower arms. •...
FRONT ARMS AND FRONT SHOCK ABSORBER ASSEMBLIES • Do not tap or damage the top of the ball joint or EBS30117 CHECKING THE FRONT ARM BALL JOINTS rubber boot. The following procedure applies to both of the front arm ball joints. Ball joint remover 1.
FRONT ARMS AND FRONT SHOCK ABSORBER ASSEMBLIES e. Hold the base plate “10” in place while turning in the long bolt “6” to install the new ball joint “5” into the front upper arm “4”. f. Remove the special tools. g.
REAR KNUCKLES AND STABILIZER EBS20032 REAR KNUCKLES AND STABILIZER Removing the rear knuckles and stabilizer 85 Nm (8.5 m kgf, 61 ft Ibf) 60 Nm (6.0 m kgf, 43 ft Ibf) • • • • 60 Nm (6.0 m kgf, 43 ft Ibf) •...
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REAR KNUCKLES AND STABILIZER Removing the rear knuckles and stabilizer 85 Nm (8.5 m kgf, 61 ft Ibf) 60 Nm (6.0 m kgf, 43 ft Ibf) • • • • 60 Nm (6.0 m kgf, 43 ft Ibf) • • 9 Nm (0.9 m kgf, 6.5 ft Ibf)
REAR KNUCKLES AND STABILIZER EBS30119 EBS30121 CHECKING THE REAR KNUCKLES AND INSTALLING THE STABILIZER REAR WHEEL BEARINGS 1. Install: The following procedure applies to both of the • Stabilizer “1” rear knuckles and rear wheel bearings. • Bushing “2” 1. Check: •...
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REAR ARMS AND REAR SHOCK ABSORBER ASSEMBLIES EBS20033 REAR ARMS AND REAR SHOCK ABSORBER ASSEMBLIES Removing the rear arms and rear shock absorber assemblies 82 Nm (8.2 m kgf, 59 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) •...
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REAR ARMS AND REAR SHOCK ABSORBER ASSEMBLIES Removing the rear arms and rear shock absorber assemblies 82 Nm (8.2 m kgf, 59 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) •...
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REAR ARMS AND REAR SHOCK ABSORBER ASSEMBLIES property damage or personal injury that may EBS30122 CHECKING THE REAR ARMS result from improper handling of the rear The following procedure applies to both of the shock absorber and gas cylinder. rear upper arms and rear lower arms. •...
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REAR ARMS AND REAR SHOCK ABSORBER ASSEMBLIES EBS30126 INSTALLING THE REAR ARMS AND REAR SHOCK ABSORBER ASSEMBLIES The following procedure applies to both of the rear upper arms, rear lower arms, and rear shock absorber assemblies. 1. Install: • Rear upper arm •...
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REAR ARMS AND REAR SHOCK ABSORBER ASSEMBLIES 4-67...
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ENGINE ENGINE INSPECTION ..................5-1 MEASURING THE COMPRESSION PRESSURE........5-1 ENGINE REMOVAL (1) ................... 5-3 INSTALLING THE EXHAUST PIPE AND MUFFLER........5-4 ENGINE REMOVAL (2) ................... 5-5 INSTALLING THE ENGINE............... 5-9 CAMSHAFTS....................5-10 REMOVING THE CAMSHAFTS..............5-12 CHECKING THE CAMSHAFTS ..............5-13 CHECKING THE CAMSHAFT SPROCKETS .........5-14 CHECKING THE TIMING CHAIN TENSIONER........
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OIL PUMP SPROCKETS ................5-42 REMOVING THE OIL PUMP DRIVE SPROCKET AND OIL PUMP DRIVEN SPROCKET ............5-43 CHECKING THE OIL PUMP SPROCKETS ..........5-43 INSTALLING THE OIL PUMP DRIVE SPROCKET AND OIL PUMP DRIVEN SPROCKET ............5-43 SHIFT LEVER....................5-45 CHECKING THE STOPPER LEVER ............5-47 CHECKING THE SHIFT LEVERS............
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TRANSMISSION.................... 5-76 REMOVING THE TRANSMISSION ............5-80 DISASSEMBLING THE DRIVE AXLE.............5-80 CHECKING THE SHIFT FORKS............. 5-80 CHECKING THE SHIFT DRUM ..............5-80 CHECKING THE TRANSMISSION ............5-81 CHECKING THE SECONDARY SHAFT..........5-81 ASSEMBLING THE DRIVE AXLE............5-81 ASSEMBLING THE SHIFT FORK............5-81 INSTALLING THE SHIFT FORKS AND SHIFT DRUM......
ENGINE INSPECTION 7. Measure: EBS20105 ENGINE INSPECTION • Compression pressure Out of specification → Refer to steps (b) and EBS30135 (c). MEASURING THE COMPRESSION PRESSURE Standard compression pressure (at sea level) Insufficient compression pressure will result in a 650–1000 kPa (6.5–10.0 kgf/cm², loss of performance.
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ENGINE INSPECTION 10.Install: • Frame cross member Refer to “GENERAL CHASSIS (9)” on page 4-19.
ENGINE REMOVAL (1) EBS30127 INSTALLING THE EXHAUST PIPE AND MUFFLER 1. Install: • Gasket “1” (muffler side) ECB01640 NOTICE Be careful not to damage the muffler contact surface of the gasket. Install the gasket completely onto the exhaust pipe “2” by pushing the side “a” of the gasket. If the gasket is difficult to install, tap lightly on the gasket with a soft-face hammer.
ENGINE REMOVAL (2) EBS20093 ENGINE REMOVAL (2) Disconnecting the couplers and leads 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 4.9 Nm (0.49 m kgf, 3.5 ft Ibf) • • ’ Order Job/Parts to remove Remarks Refer to “GENERAL CHASSIS (9)” on page Frame cross member 4-19.
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ENGINE REMOVAL (2) Disconnecting the couplers and leads 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 4.9 Nm (0.49 m kgf, 3.5 ft Ibf) • • ’ Order Job/Parts to remove Remarks Refer to “AIR INDUCTION SYSTEM” on Air cut-off valve page 7-14.
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ENGINE REMOVAL (2) Disconnecting the couplers and leads 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 4.9 Nm (0.49 m kgf, 3.5 ft Ibf) • • ’ Order Job/Parts to remove Remarks Engine ground lead Disconnect. Starter motor lead Disconnect.
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ENGINE REMOVAL (2) Removing the engine 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 42 Nm (4.2 m kgf, 30 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 42 Nm (4.2 m kgf, 30 ft Ibf) •...
CAMSHAFTS EBS20106 CAMSHAFTS Removing the cylinder head cover 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 11 Nm (1.1 m kgf, 8.0 ft Ibf)* • • Specified angle 30–45˚* 10 Nm (1.0 m kgf, 7.2 ft Ibf) • •...
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CAMSHAFTS Removing the camshafts 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 5 Nm (0.5 m kgf, 3.6 ft Ibf) •...
CAMSHAFTS 3. Measure: • Camshaft-journal-to-camshaft-cap clearance Out of specification → Measure the camshaft journal diameter. Camshaft-journal-to-camshaft- cap clearance 0.037–0.075 mm (0.0015–0.0030 ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Install the camshafts into the cylinder head EBS30433 CHECKING THE CAMSHAFTS (without the camshaft cap).
CAMSHAFTS EBS30435 CHECKING THE TIMING CHAIN TENSIONER 1. Check: • Timing chain tensioner Cracks/damage/rough movement → Re- place. ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Lightly press the timing chain tensioner rod into the timing chain tensioner housing by hand.
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CAMSHAFTS 3. Install: • Bearing stoppers • Camshaft cap “1” Camshaft cap bolt 10 Nm (1.0 m·kgf, 7.2 ft·lbf) ECB02450 NOTICE • The camshaft cap bolts must be tightened evenly or damage to the cylinder head, b. Position the mark “a” on the AC magneto ro- camshaft cap, and camshafts will result.
CAMSHAFTS c. Install a new gasket and the timing chain ten- 7. Measure: sioner cap bolt. • Valve clearance Out of specification → Adjust. Timing chain tensioner cap bolt Refer to “ADJUSTING THE VALVE CLEAR- 5 Nm (0.5 m·kgf, 3.6 ft·lbf) ANCE”...
CYLINDER HEAD, CYLINDER, AND PISTON EBS20107 CYLINDER HEAD, CYLINDER, AND PISTON Removing the cylinder head 30 Nm (3.0 m kgf, 22 ft Ibf) • • 70 Nm (7.0 m kgf, 51 ft Ibf) • • Loosen 360˚ 30 Nm (3.0 m kgf, 22 ft Ibf) •...
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CYLINDER HEAD, CYLINDER, AND PISTON Removing the cylinder head 30 Nm (3.0 m kgf, 22 ft Ibf) • • 70 Nm (7.0 m kgf, 51 ft Ibf) • • Loosen 360˚ 30 Nm (3.0 m kgf, 22 ft Ibf) • •...
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CYLINDER HEAD, CYLINDER, AND PISTON Removing the cylinder and piston ’ Order Job/Parts to remove Remarks Timing chain guide (exhaust side) Cylinder Cylinder gasket Dowel pin Piston pin clip Piston pin Piston Top ring 2nd ring Oil ring 5-19...
CYLINDER HEAD, CYLINDER, AND PISTON • Before removing the piston pin, deburr the pis- EBS30438 REMOVING THE CYLINDER HEAD ton pin clip grooves and the piston pin bore ar- 1. Remove: ea. If both areas are deburred and the piston •...
CYLINDER HEAD, CYLINDER, AND PISTON EBS30439 CHECKING THE CYLINDER HEAD To ensure an even surface, rotate the cylinder 1. Eliminate: head several times. • Combustion chamber carbon deposits (with a rounded scraper) ▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲...
CYLINDER HEAD, CYLINDER, AND PISTON b. If out of specification, replace the cylinder, Top ring and replace the piston and piston rings as a Ring side clearance limit set. 0.12 mm (0.0047 in) c. Measure piston skirt diameter “P” with a mi- 2nd ring crometer.
CYLINDER HEAD, CYLINDER, AND PISTON EBS30150 INSTALLING THE PISTON AND CYLINDER Top ring 1. Install: End gap (installed) limit • Oil ring expander “1” 0.50 mm (0.0197 in) 2nd ring • Lower oil ring rail “2” End gap (installed) limit •...
CYLINDER HEAD, CYLINDER, AND PISTON Recommended lubricant Engine oil 5. Install: ×4 • Cylinder “1” • Timing chain guide (exhaust side) ×4 • While compressing the piston rings with one hand, install the cylinder with the other hand. • Pass the timing chain and timing chain guide (exhaust side) through the timing chain cavity.
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CYLINDER HEAD, CYLINDER, AND PISTON Oil hose bolt (crankcase to cylin- der) 18 Nm (1.8 m·kgf, 13 ft·lbf) Tighten the clamp screw of each clamp “2” until 6 slots are visible in the area “a” of the clamp as shown in the illustration. 5-25...
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VALVES AND VALVE SPRINGS EBS20037 VALVES AND VALVE SPRINGS Removing the valves and valve springs 13 Nm (1.3 m kgf, 9.4 ft Ibf) • • ’ Order Job/Parts to remove Remarks Refer to “CYLINDER HEAD, CYLINDER, Cylinder head AND PISTON” on page 5-17. Valve lifter Valve pad Valve cotter...
VALVES AND VALVE SPRINGS EBS30141 REMOVING THE VALVES Remove the valve cotters by compressing the The following procedure applies to all of the valve spring with the valve spring compressor valves and related components. “1” and the valve spring compressor attachment “2”.
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VALVES AND VALVE SPRINGS 1. Measure: • Valve-stem-to-valve-guide clearance Out of specification → Replace the valve guide. • Valve-stem-to-valve-guide clearance = Valve guide inside diameter “a” - Valve stem diameter “b” Valve-stem-to-valve-guide clear- ance (intake) limit b. Install the new valve guide with the valve 0.080 mm (0.0031 in) guide installer “2”...
VALVES AND VALVE SPRINGS After replacing the cylinder head or replacing the valve and valve guide, the valve seat and valve face should be lapped. ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼...
VALVES AND VALVE SPRINGS 2. Lubricate: b. Installed length • Valve stem “1” 2. Measure: • Valve stem end • Valve spring tilt “a” • Valve stem seal “2” Out of specification → Replace the valve (with the recommended lubricant) spring.
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VALVES AND VALVE SPRINGS 6. Lubricate: b. Smaller pitch • Valve pad 4. Install: • Valve lifter • Valve cotters (with the recommended lubricant) Recommended lubricant Install the valve cotters by compressing the Engine oil valve spring with the valve spring compressor “1”...
AC MAGNETO AND STARTER CLUTCH EBS20039 AC MAGNETO AND STARTER CLUTCH Removing the AC magneto and starter clutch 3.0 Nm (0.30 m kgf, 2.2 ft Ibf) • • 18 Nm (1.8 m kgf, 13 ft Ibf) • • 18 Nm (1.8 m kgf, 13 ft Ibf) •...
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AC MAGNETO AND STARTER CLUTCH Removing the AC magneto and starter clutch 3.0 Nm (0.30 m kgf, 2.2 ft Ibf) • • 18 Nm (1.8 m kgf, 13 ft Ibf) • • 18 Nm (1.8 m kgf, 13 ft Ibf) •...
AC MAGNETO AND STARTER CLUTCH • Make sure the flywheel puller is centered over EBS30151 REMOVING THE AC MAGNETO ROTOR the AC magneto rotor. 1. Remove: • AC magneto cover Flywheel puller (M38 X P1.5) 90890-04178 Loosen each bolt 1/4 of a turn at a time, in stag- Flywheel puller (M38 X P1.5) es and in a crisscross pattern.
AC MAGNETO AND STARTER CLUTCH 3. Check: Starter clutch bolt • Starter clutch gear contact surfaces 14 Nm (1.4 m·kgf, 10 ft·lbf) Damage/pitting/wear → Replace the defec- tive part(s). 4. Check: While holding the AC magneto rotor “2” with the •...
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AC MAGNETO AND STARTER CLUTCH 2. Tighten: • AC magneto rotor nut “1” AC magneto rotor nut 160 Nm (16 m·kgf, 116 ft·lbf) Hold the AC magneto rotor “2” with the rotor holding tool “3” while tightening the AC magneto rotor nut.
ELECTRIC STARTER EBS20040 ELECTRIC STARTER Removing the starter motor 4.9 Nm (0.49 m kgf, 3.5 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • ’ Order Job/Parts to remove Remarks...
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ELECTRIC STARTER Disassembling the starter motor 4.9 Nm (0.49 m kgf, 3.5 ft Ibf) • • 11 Nm (1.1 m kgf, 8.0 ft Ibf) • • ’ Order Job/Parts to remove Remarks Starter motor front cover Starter motor rear cover Washer kit Armature assembly Brush set...
ELECTRIC STARTER EBS30157 CHECKING THE STARTER MOTOR Digital circuit tester 1. Check: 90890-03174 • Commutator Model 88 Multimeter with ta- Dirt → Clean with 600-grit sandpaper. chometer YU-A1927 2. Measure: • Commutator diameter “a” Out of specification → Replace the starter Armature coil motor.
ELECTRIC STARTER 8. Check: • Bushing Damage/wear → Replace the starter motor rear cover. EBS30158 ASSEMBLING THE STARTER MOTOR 1. Install: • Brush set “1” Align the tab “a” on the brush set with the slot “b” in the starter motor yoke. 2.
OIL PUMP SPROCKETS EBS30524 REMOVING THE OIL PUMP DRIVE Install the oil pump drive sprocket so that the SPROCKET AND OIL PUMP DRIVEN protruding portion “a” of the sprocket is facing to- SPROCKET ward the crankcase. 1. Loosen: • Oil pump driven sprocket nut “1” •...
SHIFT LEVER EBS20042 SHIFT LEVER Removing the drive select lever shift rod and drive select lever 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 15 Nm (1.5 m kgf, 11 ft Ibf) • • 15 Nm (1.5 m kgf, 11 ft Ibf) •...
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SHIFT LEVER Removing the shift levers and stopper lever 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 13 Nm (1.3 m kgf, 9.4 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) •...
SHIFT LEVER EBS30163 CHECKING THE STOPPER LEVER 1. Check: • Stopper lever Damage/wear → Replace. • Stopper lever spring Damage/wear → Replace. EBS30164 CHECKING THE SHIFT LEVERS 1. Check: • Shift lever 1 3. Install: • Shift lever 2 • Shift lever 2 assembly “1” Damage/wear →...
SHIFT LEVER EBS30444 ADJUSTING THE DRIVE SELECT LEVER Press the spacer into the shift lever cover, mak- SHIFT ROD ing sure that the slit “a” in the spacer is facing up- EWB03060 NOTICE ward as shown in the illustration. Before moving the drive select lever, bring the vehicle to a complete stop and take your foot off the accelerator pedal.
PRIMARY AND SECONDARY SHEAVES EBS20043 PRIMARY AND SECONDARY SHEAVES Removing the primary and secondary sheaves 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 100 Nm (10.0 m kgf, 72 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) •...
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PRIMARY AND SECONDARY SHEAVES Disassembling the primary sheave * Apply Yamaha Grizzly grease or Yamaha grease F. ’ Order Job/Parts to remove Remarks Primary sheave cap Primary sheave slider Primary sheave cam Primary sheave weight Spacer Oil seal Hunterworks.com click to save...
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PRIMARY AND SECONDARY SHEAVES Disassembling the secondary sheave ® * Apply Yamaha grease H or POLYREX EM ’ Order Job/Parts to remove Remarks Secondary sheave spring retaining nut Upper spring seat Compression spring Lower spring seat Guide pin Secondary sliding sheave...
PRIMARY AND SECONDARY SHEAVES 2. Check: • Primary sliding sheave • Primary fixed sheave Cracks/damage → Replace. EBS30171 CHECKING THE PRIMARY SHEAVE WEIGHTS The following procedure applies to all of the pri- mary sheave weights. 1. Check: • Primary sheave weight ▲...
• Spacer inner surface • Primary sliding sheave inner surface Recommended lubricant Yamaha Grizzly grease or Yamaha grease F • Apply Yamaha Grizzly grease or Yamaha grease F (2.5 g) to the inner surface of the EBS30174 ASSEMBLING THE PRIMARY SHEAVE spacer.
PRIMARY AND SECONDARY SHEAVES ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Attach the sheave fixed block “5”, locknut wrench “6” and sheave spring compressor “7” to the secondary sheave. Sheave fixed block 90890-04135 Sheave fixed bracket...
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PRIMARY AND SECONDARY SHEAVES A. Correct position B. Incorrect position 3. Tighten: • Primary sheave assembly nut “1” Primary sheave assembly nut 190 Nm (19 m·kgf, 137 ft·lbf) Use the rotor holding tool “2” to hold the primary sheave. 2. Check: •...
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PRIMARY AND SECONDARY SHEAVES Shift the transmission into “L” (low) or “H” (high), set the parking brake, and then tighten the sec- ondary sheave assembly nut. 5. Lubricate: • Bearing housing bearing inner surface and ball (with the recommended lubricant) Recommended lubricant Shell Sunlight Grease 3®...
CLUTCH EBS20044 CLUTCH Removing the clutch 190 Nm (19 m kgf, 137 ft lbf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • ’ Order Job/Parts to remove Remarks Refer to “PRIMARY AND SECONDARY Drive belt case SHEAVES”...
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CLUTCH Disassembling the clutch housing assembly ’ Order Job/Parts to remove Remarks Oil seal Circlip Bearing housing Circlip Bearing Seal ring One-way clutch bearing Bearing Clutch housing 5-61...
CLUTCH • One-way clutch bearing EBS30177 REMOVING THE CLUTCH Chafing/wear/damage → Replace. 1. Remove: • Clutch housing assembly • Replace the one-way clutch bearing and clutch housing as a set. Working in crisscross pattern, loosen each bolt • The one-way clutch bearing must be installed 1/4 of a turn.
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CLUTCH • Tighten the bolts in stages, using a crisscross pattern. • After tightening the bolts, check that the clutch housing assembly rotates smoothly. 5-64...
CRANKCASE EBS20045 CRANKCASE Separating the crankcase 7 Nm (0.7 m kgf, 5.1 ft Ibf) 17 Nm (1.7 m kgf, 12 ft Ibf) 18 Nm (1.8 m kgf, 13 ft Ibf) • • • • • • 35 Nm (3.5 m kgf, 25 ft Ibf) 10 Nm (1.0 m...
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CRANKCASE Separating the crankcase 7 Nm (0.7 m kgf, 5.1 ft Ibf) 17 Nm (1.7 m kgf, 12 ft Ibf) 18 Nm (1.8 m kgf, 13 ft Ibf) • • • • • • 35 Nm (3.5 m kgf, 25 ft Ibf) •...
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CRANKCASE Removing the crankcase bearings 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • ’ Order Job/Parts to remove Remarks Refer to “CRANKSHAFT AND OIL PUMP” Crankshaft/Oil pump on page 5-71. Middle drive shaft/Middle driven shaft Refer to “MIDDLE GEAR” on page 5-83. Transmission Refer to “TRANSMISSION”...
CRANKCASE EBS30182 SEPARATING THE CRANKCASE 1. Remove: • Crankcase bolts Loosen each bolt 1/4 of a turn at a time, in stag- es and in a crisscross pattern. After all of the bolts are fully loosened, remove them. EBS30183 CHECKING THE TIMING CHAIN AND TIMING CHAIN GUIDE 1.
2. Thoroughly clean the crankcase mating sur- faces. 3. Apply: • Sealant “1” (onto the crankcase mating surfaces) Yamaha bond No. 1215 90890-85505 (Three bond No.1215®) Do not allow any sealant to come into contact with the oil gallery. 5-69...
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CRANKCASE • Adapter “2” • Oil filter cartridge union bolt Oil filter cartridge union bolt 68 Nm (6.8 m·kgf, 49 ft·lbf) ×3 ×2 ×1 Align the pin “a” in the adapter with the hole “b” in the crankcase. ×3 ×2 ×6 A.
CRANKSHAFT AND OIL PUMP EBS20046 CRANKSHAFT AND OIL PUMP Removing the crankshaft and oil pump 13 Nm (1.3 m kgf, 9.4 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • ’ Order Job/Parts to remove Remarks Separate.
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CRANKSHAFT AND OIL PUMP Disassembling the oil pump 5 Nm (0.5 m kgf, 3.6 ft Ibf) • • ’ Order Job/Parts to remove Remarks Oil pump housing cover Oil pump shaft Oil pump inner rotor Oil pump outer rotor Oil pump housing 5-72...
CRANKSHAFT AND OIL PUMP EBS30188 REMOVING THE CRANKSHAFT 1. Remove: • Crankshaft “1” • Balancer “2” • Remove the crankshaft with the crankcase separating tool “3”. • Make sure the crankcase separating tool is centered over the crankshaft. • Remove the crankshaft “1” and balancer “2” at 1.
CRANKSHAFT AND OIL PUMP Crankshaft installer pot 90890-01274 Installing pot YU-90058 Crankshaft installer bolt 90890-01275 Bolt YU-90060 Adapter (M16) 90890-04130 Adapter #13 YM-04059 Spacer (crankshaft installer) 90890-04081 Pot spacer YM-91044 EBS30445 INSTALLING THE OIL PUMP 1. Install: • Oil pump Oil pump bolt 10 Nm (1.0 m·kgf, 7.2 ft·lbf) Tighten the bolts to specification in the proper...
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TRANSMISSION EBS20047 TRANSMISSION Removing the transmission, shift drum and shift forks 18 Nm (1.8 m kgf, 13 ft Ibf) • • ’ Order Job/Parts to remove Remarks Separate. Crankcase Refer to “CRANKCASE” on page 5-65. Middle driven gear Refer to “MIDDLE GEAR” on page 5-83. Shift drum stopper bolt Spring Ball...
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TRANSMISSION Removing the transmission, shift drum and shift forks 18 Nm (1.8 m kgf, 13 ft Ibf) • • ’ Order Job/Parts to remove Remarks Drive axle assembly Collar Reverse idle gear Bearing Reverse idle gear shaft 5-77...
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TRANSMISSION Disassembling the drive axle assembly ’ Order Job/Parts to remove Remarks Washer Collar High wheel gear Washer Clutch dog Circlip Washer Collar Low wheel gear 5-78...
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TRANSMISSION Disassembling the drive axle assembly ’ Order Job/Parts to remove Remarks Washer Circlip Middle drive gear Circlip Washer Bearing Reverse wheel gear Collar Drive axle 5-79...
TRANSMISSION EBS30194 REMOVING THE TRANSMISSION 1. Remove: • Shift drum “1” • Shift fork assembly “2” ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Pull out the guide bar from the right crank- case, and then remove the shift fork cam fol- lowers.
MIDDLE GEAR EBS30203 REMOVING THE MIDDLE DRIVE SHAFT Coupling gear/middle shaft tool 1. Straighten: 90890-01229 • Punched portion of the middle drive pinion Gear holder YM-01229 gear nut 2. Loosen: • Middle drive pinion gear nut “1” Wrap the middle drive shaft in a folded rag, and then secure it in a vise.
MIDDLE GEAR • Install a suitable socket “2” on the middle Ring nut wrench driven pinion gear end to protect the thread 90890-01430 from damage. Ring nut wrench c. Press the middle driven pinion gear end and YM-38404 remove the bearing housing. ECB01750 NOTICE The middle driven shaft bearing retainer has...
MIDDLE GEAR • Wrap the middle drive shaft in a folded rag, and then secure it in a vise. • Lock the threads with a drift punch. 2. Install: • Washer “1” • Bearing “2” • Bearing retainers “3” • Bearing retainer bolts “4” EBS30209 MEASURING THE MIDDLE GEAR Middle drive shaft bearing retain-...
MIDDLE GEAR a. 39.3 mm (1.55 in) b. 25.3 mm (1.00 in) d. Measure the gear lash while rotating the mid- dle driven shaft back and forth. Measure the gear lash at 4 positions. Rotate the middle driven gear 90° each time. e.
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MIDDLE GEAR If the driven pinion gear is marked “+02”, Therefore, “B” is 0.81. “g” is 61.02 “B” = 89.53 - 61.02 + 80.40 - 99.98 - 8.12 = 0.81 Round off hundredth digit and select appro- priate shim(s). In the above example, the calculated shim thickness is 0.81 mm.
COOLING SYSTEM OIL COOLER....................6-1 CHECKING THE OIL COOLER ..............6-3 INSTALLING THE HORN (except for CDN)..........6-3 RADIATOR ...................... 6-4 CHECKING THE RADIATOR..............6-6 INSTALLING THE RADIATOR..............6-6 THERMOSTAT ....................6-8 CHECKING THE THERMOSTAT.............. 6-9 INSTALLING THE THERMOSTAT............6-9 WATER PUMP....................6-11 DISASSEMBLING THE WATER PUMP..........6-12 CHECKING THE WATER PUMP ............
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OIL COOLER EBS20050 OIL COOLER Removing the oil cooler 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) 7 Nm (0.7 m kgf, 5.1 ft Ibf) •...
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OIL COOLER Removing the oil cooler 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) 7 Nm (0.7 m kgf, 5.1 ft Ibf) •...
OIL COOLER EBS30211 CHECKING THE OIL COOLER 1. Check: • Oil cooler fins Obstruction → Clean. Apply compressed air to the rear of the oil cooler. Damage → Repair or replace. Straighten any flattened fins with a thin, flat-head screwdriver. 2.
RADIATOR EBS20051 RADIATOR Removing the radiator 7 Nm (0.7 m kgf, 5.1 ft Ibf) 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 8 Nm (0.8 m kgf, 5.8 ft Ibf) •...
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RADIATOR Removing the radiator 7 Nm (0.7 m kgf, 5.1 ft Ibf) 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 8 Nm (0.8 m kgf, 5.8 ft Ibf) •...
RADIATOR EBS30213 CHECKING THE RADIATOR 1. Check: • Radiator fins Obstruction → Clean. Apply compressed air to the rear of the radia- tor. Damage → Repair or replace. Straighten any flattened fins with a thin, flat-head screwdriver. b. Apply the specified pressure for ten seconds and make sure there is no drop in pressure.
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RADIATOR Refer to “CHANGING THE COOLANT” on page 3-9. 3. Check: • Cooling system Leaks → Repair or replace any faulty part. 4. Measure: • Radiator cap opening pressure Below the specified pressure → Replace the radiator cap. Refer to “CHECKING THE RADIATOR” on page 6-6.
THERMOSTAT EBS20052 THERMOSTAT Removing the thermostat 20 Nm (2.0 m kgf, 14 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • ’ Order Job/Parts to remove Remarks Drain. Coolant Refer to “CHANGING THE COOLANT” on page 3-9.
THERMOSTAT • Thermostat housing (cylinder head) EBS30215 CHECKING THE THERMOSTAT • Thermostat outlet hose 1. Check: Cracks/damage → Replace. • Thermostat Does not open at 69–73 °C (156–163°F) → EBS30216 INSTALLING THE THERMOSTAT Replace. 1. Install: • Copper washer • Coolant temperature sensor ECB01910 NOTICE Use extreme care when handling the coolant...
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THERMOSTAT Refer to “CHECKING THE RADIATOR” on page 6-6. 6-10...
WATER PUMP EBS20053 WATER PUMP Removing the water pump 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • 10 Nm (1.0 m kgf, 7.2 ft Ibf) •...
WATER PUMP EBS30217 DISASSEMBLING THE WATER PUMP Install the oil seal with a socket that matches its 1. Remove: outside diameter. • Mechanical seal “1” Installed depth of oil seal “a” Remove the mechanical seal from the inside of 0 mm (0 in) the AC magneto cover.
WATER PUMP 3. Install: • Impeller “1” Impeller 10 Nm (1.0 m·kgf, 7.2 ft·lbf) After installation, check that the impeller shaft ro- tates smoothly. 4. Install: • AC magneto cover Refer to “AC MAGNETO AND STARTER CLUTCH” on page 5-33. EBS30471 INSTALLING THE WATER JACKET JOINT 1.
FUEL SYSTEM FUEL TANK..................... 7-1 REMOVING THE FUEL TANK ..............7-2 REMOVING THE FUEL PUMP ..............7-2 CHECKING THE FUEL PUMP BODY............7-2 CHECKING THE FUEL TANK BREATHER HOSE JOINT .......7-2 INSTALLING THE FUEL PUMP..............7-3 INSTALLING THE FUEL TANK..............7-3 CHECKING THE FUEL PRESSURE ............7-4 AIR FILTER CASE ..................
FUEL TANK EBS20054 FUEL TANK Removing the fuel tank 16 Nm (1.6 m kgf, 12 ft Ibf) 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 7 Nm (0.7 m kgf, 5.1 ft Ibf) •...
FUEL TANK EBS30221 REMOVING THE FUEL TANK 1. Extract the fuel in the fuel tank through the fuel tank cap with a pump. 2. Remove: • Fuel hose connector holder • Fuel hose EWB03050 WARNING Cover fuel hose connections with a cloth when disconnecting them.
FUEL TANK È É a. upward EBS30226 INSTALLING THE FUEL TANK 1. Install: EBS30225 INSTALLING THE FUEL PUMP • Dampers “1” 1. Install: • Fuel pump gasket “1” Fit the projection “a” on the dampers into the hole “b” in the frame. •...
FUEL TANK Refer to “GENERAL CHASSIS (9)” on page Fuel tank bracket bolt 4-19. 7 Nm (0.7 m·kgf, 5.1 ft·lbf) b. Disconnect the fuel hose “1” from the fuel rail. Fuel tank bolt Refer to “REMOVING THE THROTTLE 7 Nm (0.7 m·kgf, 5.1 ft·lbf) BODY”...
AIR FILTER CASE EBS20055 AIR FILTER CASE Removing the air filter case and air intake duct 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 2.0 Nm (0.20 m kgf, 1.4 ft Ibf) • • 2.0 Nm (0.20 m kgf, 1.4 ft Ibf) •...
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AIR FILTER CASE Removing the air filter case and air intake duct 7 Nm (0.7 m kgf, 5.1 ft Ibf) • • 2.0 Nm (0.20 m kgf, 1.4 ft Ibf) • • 2.0 Nm (0.20 m kgf, 1.4 ft Ibf) •...
AIR FILTER CASE EBS30228 INSTALLING THE AIR FILTER CASE 1. Install: • Air intake duct joint “1” (to the air filter case “2”) Align the projection “a” on the air intake duct joint between the projections “b” on the air filter case. 2.
THROTTLE BODY EBS20056 THROTTLE BODY Removing the throttle body assembly 3.5 Nm (0.35 m kgf, 2.5 ft Ibf) • • 2.8 Nm (0.28 m kgf, 2.0 ft Ibf) • • 3.0 Nm (0.30 m kgf, 2.2 ft Ibf) • • 2.0 Nm (0.20 m kgf, 1.4 ft Ibf)
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THROTTLE BODY Removing the throttle body 3.5 Nm (0.35 m kgf, 2.5 ft Ibf) • • 2.8 Nm (0.28 m kgf, 2.0 ft Ibf) • • 3.0 Nm (0.30 m kgf, 2.2 ft Ibf) • • 2.0 Nm (0.20 m kgf, 1.4 ft Ibf) •...
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THROTTLE BODY Disassembling the throttle body assembly 3.6 Nm (0.36 m kgf, 2.6 ft Ibf) • • 5 Nm (0.5 m kgf, 3.6 ft Ibf) • • 3.5 Nm (0.35 m kgf, 2.5 ft Ibf) • • ’ Order Job/Parts to remove Remarks Intake air pressure sensor Intake air pressure sensor hose...
THROTTLE BODY EBS30229 EBS30231 REMOVING THE THROTTLE BODY CHECKING THE THROTTLE BODY 1. Disconnect: 1. Check: • Fuel hose • Throttle body Cracks/damage → Replace the throttle body. EWB03050 WARNING 2. Check: Cover fuel hose connections with a cloth • Fuel passages Obstructions →...
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THROTTLE BODY Air intake silencer joint clamp screw (air intake silencer side) 2.0 Nm (0.20 m·kgf, 1.4 ft·lbf) Air intake silencer joint clamp screw (throttle body side) 3.5 Nm (0.35 m·kgf, 2.5 ft·lbf) • Align the projection “a” on the throttle body as- sembly between the tabs “b”...
THROTTLE BODY Throttle position sensor output voltage 0.63–0.73 V f. After adjusting the throttle position sensor an- gle, tighten the throttle position sensor screws “2”. Throttle position sensor screw 3.5 Nm (0.35 m·kgf, 2.5 ft·lbf) EBS30234 ADJUSTING THE THROTTLE POSITION SENSOR EWB03070 WARNING...
AIR INDUCTION SYSTEM EBS20057 AIR INDUCTION SYSTEM 1. Air intake silencer 2. Air induction system hose (air intake silencer to air cut-off valve) 3. Air cut-off valve 4. Air induction system hose (air cut-off valve to reed valve cover) 5. Reed valve 7-14...
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AIR INDUCTION SYSTEM Removing the air cut-off valve 9 Nm (0.9 m kgf, 6.5 ft Ibf) • • ’ Order Job/Parts to remove Remarks Refer to “GENERAL CHASSIS (9)” on page Cargo bed 4-19. Air induction system solenoid coupler Disconnect. Air induction system hose (air cut-off valve to reed valve cover) Air induction system hose (air intake silencer to...
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AIR INDUCTION SYSTEM Removing the reed valve 10 Nm (1.0 m kgf, 7.2 ft Ibf) • • ’ Order Job/Parts to remove Remarks Reed valve cover Reed valve assembly Reed valve plate 7-16...
AIR INDUCTION SYSTEM 2. Check: EBS30235 CHECKING THE AIR INDUCTION SYSTEM • Reed valve • Reed valve stopper Air injection • Reed valve seat The air induction system burns unburned ex- Cracks/damage → Replace the reed valve haust gases by injecting fresh air (secondary air) assembly.
TROUBLESHOOTING EBS20058 TROUBLESHOOTING The following conditions may indicate damaged shaft drive components: Symptoms Possible Causes 1. A pronounced hesitation or “jerky” movement A. Bearing damage. during acceleration, deceleration, or sustained B. Improper gear backlash. speed. (This must not be confused with engine C.
TROUBLESHOOTING EBS30238 TROUBLESHOOTING CHART When basic conditions (a) and (b) described in “CHECKING NOISES” exist, check the following points: YES → Replace the wheel bearing. (Refer to 1. Elevate and spin both wheels. Feel “STEERING KNUCKLES” on page 4-52 for wheel bearing damage. and “REAR KNUCKLES AND STABILIZ- ER”...
FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS EBS20059 FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFERENTIAL ASSEMBLY AND FRONT DRIVE SHAFTS Removing the front constant velocity shaft assemblies, differential assembly, and front drive shafts 18 Nm (1.8 m kgf, 13 ft Ibf) •...
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FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS Removing the front constant velocity shaft assemblies, differential assembly, and front drive shafts 18 Nm (1.8 m kgf, 13 ft Ibf) • • 60 Nm (6.0 m kgf, 43 ft Ibf) •...
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FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS Disassembling the front constant velocity shaft assemblies A: Wheel side B: Differential side ’ Order Job/Parts to remove Remarks The following procedure applies to both of the front constant velocity shaft assemblies. Boot band Boot band Dust boot...
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FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS Disassembling the front constant velocity shaft assemblies A: Wheel side B: Differential side ’ Order Job/Parts to remove Remarks Dust boot Constant velocity joint Clip Constant velocity shaft...
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FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS Disassembling the differential assembly 11 Nm (1.1 m kgf, 8.0 ft Ibf) • • 62 Nm (6.2 m kgf, 45 ft Ibf) • • 24 Nm (2.4 m kgf, 17 ft Ibf) •...
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FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS Disassembling the differential assembly 11 Nm (1.1 m kgf, 8.0 ft Ibf) • • 62 Nm (6.2 m kgf, 45 ft Ibf) • • 24 Nm (2.4 m kgf, 17 ft Ibf) •...
FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS B. Wheel side EBS30241 CHECKING THE FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES The following procedure applies to both of the front constant velocity shaft assemblies. 1. Check: • Double offset joint splines •...
FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Install the dust boots. b. Install the boot bands “4” and “5”. Use the boot band installation tool “6”.
FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS • Differential case cover Cracks/damage → Replace. When the differential case and/or the differential case cover are replaced, be sure to adjust the shim of the differential gear assembly. 2.
FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS Installed depth of oil seal “a” -0.5–0.5 mm (-0.020–0.020 in) A. Check that the differential motor pinion gear “2” turns counterclockwise. B. Check that the differential motor pinion gear “2”...
FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS “a” on the differential motor pinion gear is aligned with the mark “b” on the differential motor case. ECB01650 NOTICE Do not use a 12 V battery to operate the dif- ferential motor pinion gear.
FRONT CONSTANT VELOCITY SHAFT ASSEMBLIES, DIFFEREN- TIAL ASSEMBLY AND FRONT DRIVE SHAFTS EBS30251 MEASURING THE DIFFERENTIAL GEAR BACKLASH 1. Secure the differential case in a vise or anoth- er supporting device. 2. Remove: • Drain bolt • Gasket 3. Install: •...
REAR CONSTANT VELOCITY SHAFT ASSEMBLIES, FINAL DRIVE ASSEMBLY AND REAR DRIVE SHAFT EBS20060 REAR CONSTANT VELOCITY SHAFT ASSEMBLIES, FINAL DRIVE ASSEMBLY AND REAR DRIVE SHAFT Removing the rear constant velocity shaft assemblies, final drive assembly, and rear drive shaft 33 Nm (3.3 m kgf, 24 ft Ibf) •...
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REAR CONSTANT VELOCITY SHAFT ASSEMBLIES, FINAL DRIVE ASSEMBLY AND REAR DRIVE SHAFT Removing the rear constant velocity shaft assemblies, final drive assembly, and rear drive shaft 33 Nm (3.3 m kgf, 24 ft Ibf) • • 33 Nm (3.3 m kgf, 24 ft Ibf) 105 Nm (10.5 m...
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REAR CONSTANT VELOCITY SHAFT ASSEMBLIES, FINAL DRIVE ASSEMBLY AND REAR DRIVE SHAFT Disassembling the rear constant velocity shaft assemblies A: Wheel side B: Final drive side ’ Order Job/Parts to remove Remarks The following procedure applies to both of the rear constant velocity shaft assemblies. Boot band Boot band Clip...
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REAR CONSTANT VELOCITY SHAFT ASSEMBLIES, FINAL DRIVE ASSEMBLY AND REAR DRIVE SHAFT Disassembling the rear constant velocity shaft assemblies A: Wheel side B: Final drive side ’ Order Job/Parts to remove Remarks Dust boot Constant velocity joint Clip Constant velocity shaft 8-21...
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Ibf) • • 52 Nm (5.2 m kgf, 38 ft Ibf) • • * Apply Yamaha bond No. 1215 (90890-85505). ’ Order Job/Parts to remove Remarks Ring gear stopper Ring gear bearing housing Ring gear bearing housing gasket Dowel pin...
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Ibf) • • 52 Nm (5.2 m kgf, 38 ft Ibf) • • * Apply Yamaha bond No. 1215 (90890-85505). ’ Order Job/Parts to remove Remarks Oil seal Rear drive shaft coupling gear nut (final drive assembly side) Rear drive shaft coupling gear (final drive as-...
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17 ft Ibf) • • 52 Nm (5.2 m kgf, 38 ft Ibf) • • * Apply Yamaha bond No. 1215 (90890-85505). ’ Order Job/Parts to remove Remarks Circlip Final drive pinion gear bearing housing Final drive pinion gear Bearing...
REAR CONSTANT VELOCITY SHAFT ASSEMBLIES, FINAL DRIVE ASSEMBLY AND REAR DRIVE SHAFT 3. Remove: EBS30253 DISASSEMBLING THE REAR CONSTANT • Dust boot VELOCITY SHAFT ASSEMBLIES • Constant velocity joint The following procedure applies to both of the • Clip rear constant velocity shaft assemblies. 1.
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REAR CONSTANT VELOCITY SHAFT ASSEMBLIES, FINAL DRIVE ASSEMBLY AND REAR DRIVE SHAFT b. Install the constant velocity joint. • Install the clip into the groove in the constant velocity shaft as shown. • Secure the constant velocity joint in a vise, and then fit the constant velocity shaft into the con- stant velocity joint using a soft-face hammer.
REAR CONSTANT VELOCITY SHAFT ASSEMBLIES, FINAL DRIVE ASSEMBLY AND REAR DRIVE SHAFT ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Install the dust boots. b. Install the boot bands “2” and “3”. Use the boot band installation tool “4”.
1. Install: pinion gear. • Ring gear stopper “1” • Ring gear stopper nut “2” • Apply Yamaha bond No.1215 to the ring gear stopper threads. • Apply LOCTITE® to the nut threads. 2. Adjust: • Ring gear stopper clearance ▼...
(onto the washer contact surface and splines and final drive ring gear shim (final drive case of the final drive pinion gear) side) “4” to obtain the shim thickness. Yamaha bond No. 1215 Final drive ring gear shims (final 90890-85505 drive case side) “4”...
IGNITION SYSTEM EBS30265 TROUBLESHOOTING The ignition system fails to operate (no spark or intermittent spark). • Before troubleshooting, remove the following part(s): 1. Hood 2. Cargo bed 3. Passenger seat frame 4. Passenger seat belt buckle rubber cover NG → 1.
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IGNITION SYSTEM NG → 8. Check the main switch. Refer to “CHECKING THE Replace the main switch. SWITCHES” on page 9-89. OK ↓ NG → 9. Check the lean angle sensor. Refer to “CHECKING THE LEAN Replace the lean angle sensor. ANGLE SENSOR”...
ELECTRIC STARTING SYSTEM EBS20075 ELECTRIC STARTING SYSTEM EBS30266 CIRCUIT DIAGRAM...
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ELECTRIC STARTING SYSTEM 4. Load control relay 5. Frame ground 6. Main switch 7. Engine ground 8. Battery 9. Main fuse 11.Starter relay 12.Starter motor 17.Gear position switch 21.ECU (Engine Control Unit) 34.Joint coupler 56.Brake light switch 60.Ignition fuse 62.Signaling system fuse B.
ELECTRIC STARTING SYSTEM EBS30267 STARTING CIRCUIT CUT-OFF SYSTEM OPERATION If the main switch is set to “ ” (start), the starter motor can only operate if at least one of the following conditions is met: • The transmission is in neutral (the neutral circuit of the gear position switch is closed). •...
ELECTRIC STARTING SYSTEM EBS30268 TROUBLESHOOTING The starter motor fails to turn. • Before troubleshooting, remove the following part(s): 1. Hood 2. Cargo bed NG → 1. Check the fuses. (Main, ignition, and signaling sys- tem) Replace the fuse(s). Refer to “CHECKING THE FUS- ES”...
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ELECTRIC STARTING SYSTEM NG → 9. Check the gear position switch. Refer to “CHECKING THE Replace the gear position switch. SWITCHES” on page 9-89. OK ↓ NG → 10.Check the entire starting system wiring. Properly connect or replace the wire har- Refer to “CIRCUIT DIAGRAM”...
CHARGING SYSTEM EBS30270 TROUBLESHOOTING The battery is not being charged. • Before troubleshooting, remove the following part(s): 1. Hood 2. Passenger seat frame 3. Passenger seat belt buckle rubber cover NG → 1. Check the fuse. (Main) Replace the fuse. Refer to “CHECKING THE FUS- ES”...
LIGHTING SYSTEM EBS30272 TROUBLESHOOTING Any of the following fail to light: headlight or taillight. • Before troubleshooting, remove the following part(s): 1. Hood NG → 1. Check the condition of each bulb and bulb socket. Refer to “CHECKING THE BULBS Replace the bulb(s) and bulb socket(s).
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LIGHTING SYSTEM NG → 8. Check the entire lighting system wiring. Properly connect or replace the wire har- Refer to “CIRCUIT DIAGRAM” on ness. page 9-15. OK ↓ The lighting system circuit is OK. 9-18...
SIGNALING SYSTEM EBS30274 TROUBLESHOOTING • Any of the following fail to light: warning light, brake light or an indicator light. • The fuel meter fails to come on. • The speedometer fails to operate. • The parking brake buzzer fails to sound. •...
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SIGNALING SYSTEM Checking the signaling system The tail/brake lights fail to come on. NG → 1. Check the tail/brake light bulbs and sockets. Replace the tail/brake light bulb, socket or Refer to “CHECKING THE BULBS both. AND BULB SOCKETS” on page 9-92.
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SIGNALING SYSTEM NG → 2. Check the entire signaling system wiring. Refer to “CIRCUIT DIAGRAM (ex- Properly connect or replace the wire har- cept for EPS models)” on page 9-19 ness. and “CIRCUIT DIAGRAM (for EPS models)” on page 9-21. OK ↓...
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SIGNALING SYSTEM NG → 2. Check the entire signaling system wiring. Refer to “CIRCUIT DIAGRAM (ex- Properly connect or replace the wire har- cept for EPS models)” on page 9-19 ness. and “CIRCUIT DIAGRAM (for EPS models)” on page 9-21. OK ↓...
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SIGNALING SYSTEM NG → 2. Check the entire signaling system wiring. Refer to “CIRCUIT DIAGRAM (ex- Properly connect or replace the wire har- cept for EPS models)” on page 9-19 ness. and “CIRCUIT DIAGRAM (for EPS models)” on page 9-21. OK ↓...
COOLING SYSTEM EBS20079 COOLING SYSTEM EBS30275 CIRCUIT DIAGRAM 9-29...
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COOLING SYSTEM 5. Frame ground 6. Main switch 8. Battery 9. Main fuse 21.ECU (Engine Control Unit) 26.Coolant temperature sensor 34.Joint coupler 58.Radiator fan motor fuse 60.Ignition fuse 65.Radiator fan motor 66.Radiator fan motor circuit breaker 67.Radiator fan motor relay B.
COOLING SYSTEM EBS30276 TROUBLESHOOTING The radiator fan motor fails to turn. • Before troubleshooting, remove the following part(s): 1. Hood 2. Heat protector NG → 1. Check the fuses. (Main, radiator fan motor, and igni- tion) Replace the fuse(s). Refer to “CHECKING THE FUS- ES”...
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COOLING SYSTEM NG → 8. Check the entire cooling system wiring. Properly connect or replace the wire har- Refer to “CIRCUIT DIAGRAM” on ness. page 9-29. OK ↓ Replace the ECU. 9-32...
FUEL INJECTION SYSTEM EBS20080 FUEL INJECTION SYSTEM EBS30277 CIRCUIT DIAGRAM (except for EPS models) 9-33...
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8. Battery 9. Main fuse 10.Fuel injection system fuse 13.Fuel injection system relay 14.Air induction system solenoid 17.Gear position switch 19.Yamaha diagnostic tool coupler 20.ISC (Idle Speed Control) unit 21.ECU (Engine Control Unit) 22.Ignition coil 23.Spark plug 24.Fuel injector 25.Intake air temperature sensor 26.Coolant temperature sensor...
FUEL INJECTION SYSTEM EBS30353 CIRCUIT DIAGRAM (for EPS models) 9-35...
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8. Battery 9. Main fuse 11.Fuel injection system fuse 14.Fuel injection system relay 15.Air induction system solenoid 18.Gear position switch 20.Yamaha diagnostic tool coupler 21.ISC (Idle Speed Control) unit 22.ECU (Engine Control Unit) 23.Ignition coil 24.Spark plug 25.Fuel injector 26.Intake air temperature sensor 27.Coolant temperature sensor...
FUEL INJECTION SYSTEM EBS30278 ECU SELF-DIAGNOSTIC FUNCTION The ECU is equipped with a self-diagnostic function in order to ensure that the fuel injection system is operating normally. If this function detects a malfunction in the system, it immediately operates the en- gine under substitute characteristics and illuminates the engine trouble warning light to alert the rider that a malfunction has occurred in the system.
FUEL INJECTION SYSTEM The engine operation is not normal, but the EBS30279 TROUBLESHOOTING METHOD engine trouble warning light does not come The engine operation is not normal and the 1. Check the operation of the following sensors engine trouble warning light comes on. and actuators in the diagnostic mode.
FUEL INJECTION SYSTEM EBS30280 YAMAHA DIAGNOSTIC TOOL This model uses the Yamaha diagnostic tool to identify malfunctions. For information about using the Yamaha diagnostic tool, refer to the operation manual that is included with the tool. Yamaha diagnostic tool 90890-03231...
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FUEL INJECTION SYSTEM Operation of the Yamaha diagnostic tool (Malfunction mode) Malfunction results are displayed in the top part of the window area. 1. Recovered The item list of the malfunction detected in the past (already recovered) are displayed. 2. Detected The item list of the malfunction currently occurred are displayed.
FUEL INJECTION SYSTEM 5. Item The item names of the detected malfunction are displayed. 6. Condition The current conditions are displayed. (Detected/Recovered) 7. Symptom The symptoms of the detected malfunction are displayed. 8. Diagnosis code The diagnosis codes related to the detected malfunction are displayed. 9.
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FUEL INJECTION SYSTEM Fault code No. Crankshaft position sensor: no normal signals are received from the Item crankshaft position sensor. Improperly connected → Con- Connection of ECU coupler. Crank the engine. Check the locking condition of nect the coupler securely or re- Fault code number is not dis- played →...
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FUEL INJECTION SYSTEM Fault code No. Item Intake air pressure sensor: open or short circuit detected. Improperly connected → Con- Connection of intake air pres- Turn the main switch to “ ” sure sensor coupler. nect the coupler securely or re- (on).
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FUEL INJECTION SYSTEM Fault code No. Item Intake air pressure sensor: open or short circuit detected. Defective intake air pressure Execute the diagnostic mode. Turn the main switch to “ ” sensor. (Code No. 03) (on). When engine is stopped: Fault code number is not dis- played →...
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FUEL INJECTION SYSTEM Fault code No. Intake air pressure sensor: hose system malfunction (clogged or de- Item tached hose). Defective intake air pressure Execute the diagnostic mode. sensor. (Code No. 03) When engine is stopped: Atmospheric pressure at the current altitude and weather conditions is indicated.
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FUEL INJECTION SYSTEM Fault code No. Item Throttle position sensor: open or short circuit detected. Improperly connected → Con- Connection of ECU coupler. Turn the main switch to “ ” Check the locking condition of nect the coupler securely or re- (on).
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FUEL INJECTION SYSTEM Fault code No. Item Throttle position sensor: stuck throttle position sensor is detected. Able to start engine Fail-safe system Able to drive vehicle Diagnostic code No. Throttle position sensor signal Indicated • 14–20 (fully closed position) Procedure Check with throttle valve fully closed.
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FUEL INJECTION SYSTEM Fault code No. Item Coolant temperature sensor: open or short circuit detected. Improperly connected → Con- Connection of coolant tempera- Turn the main switch to “ ” ture sensor coupler. nect the coupler securely or re- (on). Check the locking condition of place the wire harness.
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FUEL INJECTION SYSTEM Fault code No. Item Intake air temperature sensor: open or short circuit detected. Able to start engine Fail-safe system Able to drive vehicle Diagnostic code No. Indicated Displays the intake air temperature. Compare the actually measured intake air temperature with the indicated Procedure value.
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FUEL INJECTION SYSTEM Fault code No. Item Intake air temperature sensor: open or short circuit detected. Defective intake air temperature Execute the diagnostic mode. Turn the main switch to “ ” sensor. (Code No. 05) (on). When engine is cold: Fault code number is not dis- played →...
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Actuates the ignition coil five times at one-second intervals. Actuation The “CHECK” indicator and “ ” on the Yamaha diagnostic tool screen come on each time the ignition coil is actuated. Check that a spark is generated five times. Procedure •...
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Fully closes the ISC valve, and then opens the valve. This operation takes approximately 3 seconds. Actuation The “CHECK” indicator and “ ” on the Yamaha diagnostic tool screen come on during the operation. Procedure The operating sound can be heard when ISC valve operates.
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Fully closes the ISC valve, and then opens the valve. This operation takes approximately 3 seconds. Actuation The “CHECK” indicator and “ ” on the Yamaha diagnostic tool screen come on during the operation. Procedure The operating sound can be heard when ISC valve operates.
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Actuates fuel injector five times at one-second intervals. Actuation The “CHECK” indicator and “ ” on the Yamaha diagnostic tool screen come on each time the fuel injector is actuated. Disconnect the fuel pump coupler, and then check that fuel injector is ac- Procedure tuated five times by listening for the operating sound.
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FUEL INJECTION SYSTEM Fault code No. Item Fuel injector: open or short circuit detected. Improperly connected → Con- Connection of fuel injector cou- Execute the diagnostic mode. pler. nect the coupler securely or re- (Code No. 36) Operating sound → Go to item Check the locking condition of place the wire harness.
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FUEL INJECTION SYSTEM Fault code No. Item Lean angle sensor: open or short circuit detected. Improperly connected → Con- Connection of lean angle sen- Turn the main switch to “ ” sor coupler. nect the coupler securely or re- (on), then to “ ”...
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FUEL INJECTION SYSTEM Fault code No. Speed sensor: no normal signals are received from the speed sen- Item sor. Check that the number increases when the rear wheels are rotated. The Procedure number is cumulative and does not reset each time the wheel is stopped. Probable cause of malfunc- Confirmation of service com- Item...
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” on the Yamaha di- agnostic tool screen go off. When the relay is off, the “CHECK” indicator and “ ” on the Yamaha diagnostic tool screen come on.) Check that the fuel injection system relay is actuated five times by listen- Procedure ing for the operating sound.
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FUEL INJECTION SYSTEM Fault code No. Fuel system voltage: incorrect voltage supplied to the fuel injector Item and fuel pump. Open or short circuit → Replace Wire harness continuity. Start the engine and let it idle the wire harness. for approximately 5 seconds. Between fuel injection system Fault code number is not dis- played →...
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FUEL INJECTION SYSTEM Fault code No. EEPROM fault code number: an error is detected while reading or Item writing on EEPROM. “01” is indicated in diagnostic Change the CO concentration, Turn the main switch to “ ” mode (code No. 60). EEPROM and rewrite in EEPROM.
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FUEL INJECTION SYSTEM Fault code No. Faulty ECU (Engine Control Unit) memory. (When this malfunction is Item detected in the ECU, the fault code number might not appear.) Malfunction in ECU. Replace the ECU. Turn the main switch to “ ”...
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FUEL INJECTION SYSTEM Fault code No. Er-2 Fault code No. Er-2 ECU (Engine Control Unit) internal malfunction (output signal error): Item no signals are received from the ECU within the specified duration. Able to start engine Fail-safe system Able to drive vehicle Diagnostic code No.
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FUEL INJECTION SYSTEM Fault code No. Er-3 ECU (Engine Control Unit) internal malfunction (output signal error): Item data from the ECU cannot be received correctly. Improperly connected → Con- Connection of meter assembly Turn the main switch to “ ” coupler.
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FUEL INJECTION SYSTEM Fault code No. Er-4 ECU (Engine Control Unit) internal malfunction (input signal error): Item non-registered data has been received from the meter assembly. Improperly connected → Con- Connection of ECU coupler. Turn the main switch to “ ”...
FUEL PUMP SYSTEM EBS30283 TROUBLESHOOTING If the fuel pump fails to operate. • Before troubleshooting, remove the following part(s): 1. Hood 2. Rear panel (right) 3. Under-seat storage compartment NG → 1. Check the fuses. (Main, fuel injection system, and ig- nition) Replace the fuse(s).
2WD/4WD SELECTING SYSTEM EBS30285 TROUBLESHOOTING • The On-Command differential gear lock indicator light/On-Command four-wheel-drive/differential gear lock indicator fails to come on. • The On-Command differential gear lock indicator light/On-Command four-wheel-drive/differential gear lock indicator flashes. • Before troubleshooting, remove the following part(s): 1.
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2WD/4WD SELECTING SYSTEM NG → 8. Check the differential motor opera- tion. Refer to “CHECKING THE DIF- Replace the differential motor. FERENTIAL MOTOR OPERATION” on page 8-13. OK ↓ NG → 9. Check the entire 2WD/4WD select- ing system wiring. Properly connect or replace the 2WD/4WD Refer to “CIRCUIT DIAGRAM”...
EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) EBS20083 EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) EBS30286 CIRCUIT DIAGRAM 9-73...
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EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) 4. Load control relay 5. Frame ground 6. Main switch 8. Battery 9. Main fuse 10.EPS fuse 22.ECU (Engine Control Unit) 28.Speed sensor 35.Joint coupler 36.EPS unit 37.EPS motor 38.EPS torque sensor 39.EPS self-diagnosis signal connector 40.EPS control unit 45.Meter assembly...
EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) EBS30287 EPS CONTROL UNIT’S SELF-DIAGNOSTIC FUNCTION The EPS control unit is equipped with a self-diagnostic function. If this function detects a malfunction in the EPS system, it lights the EPS warning light to alert the rider that a malfunction has occurred in the system.
EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) EBS30289 DIAGNOSTIC MODE Setting the diagnostic mode (present and past malfunctions) 1. Disconnect the EPS self-diagnosis signal connector “1”. 2. Turn the main switch to “ ” (on). 3. Select the signaling mode by grounding the EPS self-diagnosis signal connector (male side) to the EPS control unit “2”...
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EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) Signaling method Example 1: Fault code No. 23 0.5 × 3 0.5 × 5 a. EPS self-diagnosis signal connector B. Display of the present malfunctions stops when the past malfunction display mode is b.
EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) After the mode selection judgment is completed (present display or past malfunction mode), the current fault code signaling stops immediately, and then the EPS warning light starts flashing at 1.5-second in- tervals. Deleting fault codes To delete fault codes, ground the EPS self-diagnosis signal connector 3 or more times within 5 seconds while the present or past malfunction mode is activated.
EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) Fault code Probable cause of mal- Item Symptom function • Faulty battery. • Malfunction in the charging system. EPS control unit Battery voltage has dropped. Refer to “CHARGING SYSTEM” on page 9-11. •...
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EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) Fault code No. 21 Fault code No. Symptom Speed sensor: no normal signals are received from the speed sensor. Order Item/components and probable cause Check or maintenance job Reinstatement method Connections • Check the locking condition of the Starting the en- •...
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EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) Fault code No. 41, 42, 43, 45 Fault code No. 41, 42, Symptom EPS motor: no normal signals are received from the EPS motor. 43, 45 Order Item/components and probable cause Check or maintenance job Reinstatement method Connections...
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EPS (ELECTRIC POWER STEERING) SYSTEM (for EPS models) Fault code No. 54 Fault code No. Symptom Relay contacts in the EPS control unit are welded together. Order Item/components and probable cause Check or maintenance job Reinstatement method Malfunction in EPS control unit. Replace the EPS control unit.
ELECTRICAL COMPONENTS EBS30292 CHECKING THE SWITCHES L/W B G/R DIFF LOCK Br/R Br/R (off) Br P L/W G/R (on) (start) (off) 9-89...
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ELECTRICAL COMPONENTS 1. Horn switch (except for CDN) 2. Main switch 3. On-Command four-wheel-drive switch 4. Gear position switch 5. Reverse switch 6. Seat belt switch 7. Light switch 8. Parking brake switch 9. Brake light switch 9-90...
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ELECTRICAL COMPONENTS Check each switch for continuity with the pocket tester. If the continuity reading is incorrect, check the wiring connections and if necessary, replace the switch. ECB01430 NOTICE Never insert the tester probes into the coupler terminal slots “a”. Always insert the probes from the opposite end of the coupler, taking care not to loosen or damage the leads.
ELECTRICAL COMPONENTS • Avoid touching the glass part of a headlight EBS30293 CHECKING THE BULBS AND BULB bulb to keep it free from oil, otherwise the SOCKETS transparency of the glass, the life of the bulb, and the luminous flux will be adverse- Do not check any of the lights that use LEDs.
ELECTRICAL COMPONENTS 4. Remove: • Headlight bulb holder “1” Check each bulb socket for continuity in the • Headlight bulb “2” same manner as described in the bulb section; EWB02860 however, note the following. WARNING ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼...
ELECTRICAL COMPONENTS Amperage Fuses Q’ty rating EPS (for EPS models) 40.0 A Main 40.0 A Radiator fan motor 25.0 A Headlight 15.0 A Backup 10.0 A Fuel injection system 10.0 A 9. Install: Ignition 10.0 A • Headlight rear cover Differential motor 10.0 A Signaling system...
ELECTRICAL COMPONENTS d. If the fuse immediately blows again, check ECB01990 NOTICE the electrical circuit. • This is a VRLA (Valve Regulated Lead Acid) EWB02850 WARNING battery. Never remove the sealing caps be- Never use a fuse with an amperage rating cause the balance between cells will not be other than that specified.
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ELECTRICAL COMPONENTS 5. Charge: • Positive tester probe → • Battery positive battery terminal • Negative tester probe → (refer to the appropriate charging method) negative battery terminal EWB02840 WARNING Do not quick charge a battery. • The charge state of a VRLA (Valve Regulated ECB02000 Lead Acid) battery can be checked by measur- NOTICE...
ELECTRICAL COMPONENTS 7. Connect: • Battery leads (to the battery terminals) ECB01330 NOTICE First, connect the positive battery lead “1”, and then the negative battery lead “2”. A. Open-circuit voltage (V) B. Time (minutes) C. Charging D. Ambient temperature 20 °C (68 °F) E.
ELECTRICAL COMPONENTS Differential motor relay 2 ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼▼▼ a. Remove the spark plug cap from the spark First step: plug lead. b. Connect the pocket tester (Ω × 1k) to the spark plug cap as shown.
ELECTRICAL COMPONENTS Minimum ignition spark gap 6.0 mm (0.24 in) If the ignition spark gap is within specification, the ignition system circuit is operating normally. ▼ ▼▼▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼ ▼ ▼▼▼ ▼...
ELECTRICAL COMPONENTS Warning light comes on for a few seconds, Pocket tester then goes off → Warning light is OK. 90890-03112 Warning light does not come on → Replace Analog pocket tester the meter assembly. YU-03112-C Warning light flashes eight times, then goes off for 3 seconds in a repeated cycle (mal- •...
ELECTRICAL COMPONENTS b. Connect the battery to the radiator fan motor coupler as shown. • Positive battery terminal → blue “1” • Negative battery terminal → black “2” c. Turn the main switch to “ ” (on). d. Elevate the rear wheels and slowly rotate them.
ELECTRICAL COMPONENTS b. Measure the radiator fan motor circuit break- d. Heat the coolant or let it cool down to the er resistance. specified temperatures. e. Measure the coolant temperature sensor re- ▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲...
ELECTRICAL COMPONENTS g. Check the differential motor position switch EBS30318 CHECKING THE DIFFERENTIAL MOTOR no continuity. POSITION SWITCH ▲ ▲▲▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲ ▲▲▲ ▲ ▲▲▲ 1. Check: • Differential motor position switch EBS30319 CHECKING THE EPS MOTOR (for EPS Out of specification →...
ELECTRICAL COMPONENTS EBS30320 CHECKING THE EPS TORQUE SENSOR (for EPS models) 1. Remove: • EPS unit ECB01660 NOTICE Make sure do not remove the torque sensor and its protector from the EPS unit. 2. Check: • EPS torque sensor resistance Out of specification →...
TROUBLESHOOTING Electrical system EBS20085 TROUBLESHOOTING 1. Battery • Discharged battery EBS30321 • Faulty battery GENERAL INFORMATION 2. Fuse(s) • Blown, damaged or incorrect fuse The following guide for troubleshooting does not • Improperly installed fuse cover all the possible causes of trouble. It should 3.
TROUBLESHOOTING EBS30325 FAULTY DRIVE TRAIN The following conditions may indicate damaged shaft drive components: Symptoms Possible Causes 1. A pronounced hesitation or “jerky” movement A. Bearing damage. during acceleration, deceleration, or sustained B. Improper gear backlash. speed. (This must not be confused with engine C.
TROUBLESHOOTING Poor starting performance EBS30326 FAULTY GEAR SHIFTING 1. V-belt • V-belt slips Shifting is difficult • Oil or grease on the V-belt Refer to “FAULTY CLUTCH PERFORMANCE” 2. Primary and secondary sheaves on page 10-4. • Faulty operation • Worn pin groove EBS30327 SHIFT LEVER DOES NOT MOVE •...
TROUBLESHOOTING • Damaged pipe • Bent or damaged damper rod • Improperly connected pipe EBS30334 UNSTABLE HANDLING Fuel system 1. Steering wheel 1. Throttle body • Bent or improperly installed steering wheel • Faulty throttle body 2. Steering components • Damaged or loose throttle body joint •...
SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE EBS20086 SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE EBS30336 SELF-DIAGNOSTIC FUNCTION TABLE For details of the fault code, refer to “TROUBLESHOOTING METHOD” on page 9-38. Fault code Item Crankshaft position sensor: no normal signals are received from the crankshaft position sen- sor.
SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE EBS30338 DIAGNOSTIC CODE: SENSOR OPERATION TABLE The diagnostic code numbers cannot be displayed on the multi-function meter. To display the diagnos- tic code numbers, use the Yamaha diagnostic tool. Diagnostic Item Display Procedure code No.
• Connect an ignition check- The “CHECK” indicator and “ ” on the Yamaha diag- nostic tool screen come on each time the ignition coil is actuated. Fuel injector Actuates the fuel injector five...
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The “CHECK” indicator and operating sound. “ ” on the Yamaha diag- nostic tool screen come on each time the relay is actuat- (When the relay is on, the “CHECK” indicator and “...
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