Yamaha YXR660FAS Owner's Manual
Hide thumbs Also See for YXR660FAS:
Table of Contents

Advertisement

READ THIS MANUAL CAREFULLY!
It contains important safety information.
OWNER'S MANUAL
YXR660FAS
LIT-11626-17-23
5UG-F8199-10

Advertisement

Table of Contents
loading

Summary of Contents for Yamaha YXR660FAS

  • Page 1 READ THIS MANUAL CAREFULLY! It contains important safety information. OWNER’S MANUAL YXR660FAS LIT-11626-17-23 5UG-F8199-10...
  • Page 3 Yamaha experience in the production of fine sporting, touring, and pace-setting racing vehicles. With the purchase of this Yamaha, you can now appreciate the high degree of crafts- manship and reliability that have made Yamaha a leader in these fields.
  • Page 4 EBU08010 I MPORTANT MANUAL INFORMATION FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS INJURY OR DEATH. Particularly important information is distinguished in this manual by the following notations: The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS INVOLVED! Failure to follow WARNING instructions could result in severe WARNING...
  • Page 5 This vehicle complies with almost all state off-highway noise level and spark arrester laws and regulations. EBU13340 YXR660FAS OWNER’S MANUAL ©2003 by Yamaha Motor Corporation, AFFIX DEALER U.S.A. 1st edition, August 2003 LABEL HERE All rights reserved. Any reprinting or...
  • Page 6: Table Of Contents

    EBU00140 Drive select lever ......4-14 CONTENTS Fuel tank cap .........4-14 Fuel level check window ....4-15 LOCATION OF THE WARNING Starter (choke) .......4-15 AND SPECIFICATION LABELS..1-1 Seats ..........4-16 Seat belts ........4-17 SAFETY INFORMATION....2-1 Cargo bed ........4-19 Front and rear shock absorber DESCRIPTION AND VEHICLE adjustment ........4-22 IDENTIFICATION ......
  • Page 7 Lights..........5-8 Going uphill........7-7 Switches.......... 5-8 Going downhill ......... 7-9 Tires ..........5-8 Crossing through shallow water ..7-11 How to measure tire pressure..5-10 Riding over rough terrain....7-13 Tire wear limit........ 5-11 Riding in brush or wooded areas..........
  • Page 8 ......8-37 Rear knuckle upper and lower MAINTENANCE RECORD .....12-1 pivot lubrication......8-38 Steering shaft lubrication....8-38 YAMAHA MOTOR CORPORATION, U.S.A. SIDE × SIDE VEHICLE Wheel removal ......8-39 Wheel installation ......8-39 LIMITED WARRANTY ....13-1 Battery ........... 8-41...
  • Page 9 YAMAHA EXTENDED SERVICE (Y.E.S.) .......... 14-1...
  • Page 10: Location Of The Warning And Specification Labels

    EBU04640 L OCATION OF THE WARNING AND SPECIFICATION LABELS...
  • Page 11 LOSS OF CONTROL CAN RESULT IN SEVERE INJURY OR a replacement label is available from your DEATH. Yamaha dealer. OPERATING TIRE PRESSURE: Set with tires cold. RECOMMENDED: FRONT: 70kPa, {.70kgf/cm}, 10psi REAR: 98kPa, {.98kgf/cm}, 14psi MINIMUM: FRONT: 63kPa, {.63kgf/cm}, 9psi...
  • Page 12 Do not operate the vehicle Maximum Load in Cargo Bed:181kg. (400lb). with bed up. YAMAHA 5UG-K7764-00 Never carry passengers in cargo bed. Cargo can affect handling and stability. Read Owner’s Manual before loading or towing.
  • Page 13 MAX 7.3 INCH load more than 50kg (110 lbs) tongue weight on the towing (185MM) bracket. Do not tow more than YAMAHA 5UG-F151J-00 550kg (1212 lbs) rolling weight (trailer plus cargo). Operate in low-range gears only, allow for increased braking distance, and use extreme caution when operating on inclines.
  • Page 14 Passenger and cargo can affect vehicle handling. over or go out of control. NEVER USE WITH DRUGS OR ALCOHOL LOCATE AND READ THE OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS. YAMAHA 5UG-F1568-01...
  • Page 15: Safety Information

    EBU90024 SAFETY INFORMATION This off-highway utility vehicle handles differently from other vehicles including cars and ATVs. SEVERE INJURY OR DEATH can result if you do not follow these instructions: Read this manual and all labels carefully and follow the operating procedures described. This vehicle is designed to carry the driver and one passenger.
  • Page 16 Always inspect your vehicle each time you use it to be sure it is in safe operating condition. Al- ways follow the inspection and maintenance procedures and schedules described in this man- ual. Always keep both hands, arms, feet, and legs inside the vehicle at all times during operation. Keep your feet on the floorboard.
  • Page 17 Never operate on hills that are slippery or ones where you will not be able to see far enough ahead of you. Never go over the top of a hill at speed if you cannot see what is on the other side.
  • Page 18 WARNING When transporting the vehicle in anoth- er vehicle, be sure it is kept in an upright POTENTIAL HAZARD position. Otherwise, fuel may leak out of Improper handling of gasoline. the carburetor or fuel tank. WHAT CAN HAPPEN WHAT CAN HAPPEN Gasoline can catch fire and you could Gasoline is poisonous and can cause be burned.
  • Page 19 WARNING POTENTIAL HAZARD Starting or running the engine in a closed area. WHAT CAN HAPPEN Exhaust fumes are poisonous and may cause loss of consciousness and death within a short time. HOW TO AVOID THE HAZARD Always operate your vehicle in an area with adequate ventilation.
  • Page 20: Description And Vehicle Identification

    EBU00320 D ESCRIPTION AND VEHICLE IDENTIFICATION 1. Headlights 13. Spark arrester 2. Front shock absorber assembly adjusting ring 14. Passenger seat belt 3. Brake fluid reservoir 15. Passenger seat 4. Air filter element 16. Oil filter cartridge 5. V-belt case 17.
  • Page 21 24. Light switch 25. Steering wheel 26. Starter (choke) 27. Main switch 28. On-Command four-wheel drive and differential gear lock switches 29. Indicator and warning lights 30. Auxiliary DC jack 31. Drive select lever 32. Parking brake lever 33. Accelerator pedal 34.
  • Page 22: Identification Number Records

    This number can be used for ordering a new when ordering spare parts from a Yamaha key. dealer or for reference in case the vehicle is stolen.
  • Page 23: Vehicle Identification Number

    Record the information on this la- bel in the space provided. This information will be needed to order spare parts from your Yamaha dealer. 1. Vehicle identification number NOTE: The vehicle identification number is used to identify your vehicle.
  • Page 24: Control Functions

    EBU00390 C ONTROL FUNCTIONS Functions of the respective switch positions are as follows: EBU09420 All electrical circuits are supplied with power, Main switch and the headlights and taillights come on when the light switch is on. OFF: All electrical circuits are switched off. The key can be removed in this position.
  • Page 25: Indicator And Warning Lights

    EBU08020 Indicator and warning lights CAUTION: Do not operate the electric starter continuously for more than 5 sec- onds, or starter damage could occur. Wait at least 5 seconds between each operation of the electric starter to let it cool. Do not turn the key to the “START”...
  • Page 26 If the indicator light flashes while riding, have After restarting, make sure that the a Yamaha dealer check the speed sensor cir- light is out. Continuous use while the cuit. light is on may cause damage to the engine.
  • Page 27: Coolant Temperature Warning Light Checking Method

    Coolant temperature Coolant temperature warning light comes on warning light does not momentarily. come on. Coolant temperature and electrical circuit are OK. Ask a Yamaha dealer to Go ahead with riding. inspect the electrical circuit.
  • Page 28: Switches

    EBU06050 EBU00530 Four-wheel-drive indicator light “ ” Switches This indicator light comes on when the 2WD/ 4WD switch is in the 4WD position. NOTE: Due to the synchronizing mechanism in the differential gear case, the light may not come on until the vehicle starts moving. EBU90000 Parking brake indicator light “P”...
  • Page 29 CAUTION: Do not use the headlights with the engine turned off for an extend period of time. The battery may discharge to the point that the starter motor will not operate properly. If this should happen, remove the battery and recharge it.
  • Page 30 Four-wheel drive (4WD): Power is supplied to the rear and front wheels. Four-wheel drive with the differential gear locked (4WD-LOCK): Power is supplied to the rear and front wheels when the differen- tial gear is locked (“DIFF.LOCK”). Unlike the 4WD mode, all wheels turn at the same speed regardless of traction.
  • Page 31 WARNING POTENTIAL HAZARD Changing from 2WD to 4WD or from 4WD to 4WD-LOCK (“DIFF.LOCK”), or vice-versa while the vehicle is moving. WHAT CAN HAPPEN The vehicle handles differently in 2WD than in 4WD and in 4WD-LOCK in some circumstances. Changing from 2WD to 1.
  • Page 32 WARNING POTENTIAL HAZARD Riding too fast while the vehicle is in 4WD-LOCK. WHAT CAN HAPPEN All wheels turn at the same speed when the differential is locked, so it takes more effort to turn the vehicle. The amount of effort is more the faster you 1.
  • Page 33 NOTE: When the switch is set to “LOCK”, the dif- ferential gear lock indicator light will flash until the differential gear is locked. When the indicator light is flashing, turn- ing the steering wheel back and forth will help the differential gear lock to engage. Riding before the differential gear lock is properly engaged (e.g., when the indica- tor light is flashing) will cause the engine...
  • Page 34: Accelerator Pedal

    If it does not work smoothly, check for the 1. Accelerator pedal cause. Correct the problem before oper- ating the vehicle. Consult a Yamaha dealer if you can’t find or solve the prob- lem yourself. 4-11...
  • Page 35: Brake Pedal

    EBU90015 Brake pedal Press the brake pedal to slow or stop the ve- hicle. 1. Brake pedal 4-12...
  • Page 36: Parking Brake Lever

    EBU90016 Parking brake lever The parking brake lever is located at the right side of the driver’s seat. It will help hold the vehicle from moving while parked. To set the parking brake, pull the lever up completely. To release the parking brake, pull up on the lever, press the release button, and then push the lever all the way down.
  • Page 37: Drive Select Lever

    EBU06080 EBU00920 Drive select lever Fuel tank cap The drive select lever is used to shift your ve- Remove the fuel tank cap by turning it coun- hicle into the low, high, neutral and reverse terclockwise. positions. (Refer to pages 6-5–6-7 for the drive select lever operation.) 1.
  • Page 38: Fuel Level Check Window

    EBU90001 EBU00950 Fuel level check window Starter (choke) “ ” The amount of fuel in the fuel tank can be Starting a cold engine requires a richer air-fuel checked through the fuel level check window. mixture. A separate starter circuit supplies this If the fuel level is low, refuel as soon as possi- mixture.
  • Page 39: Seats

    EBU05670 Seats To install a seat, insert the projections on the To remove a seat, pull the seat lock lever up- rear of the seat into the seat holders and push ward, lift the front of the seat, and then slide down on the seat at the front.
  • Page 40: Seat Belts

    EBU90025 Seat belts To wear the seat belt properly, do the follow- This vehicle is equipped with three-point seat ing: belts for both the operator and passenger. Al- 1. Hold the latch plate as you pull the belt ways wear the seat belt while riding in the ve- across your lap and chest.
  • Page 41 3. Put the lap portion of the belt low on your WARNING hips. Push down on the buckle end of the POTENTIAL HAZARD belt as you pull up on the shoulder part so Not wearing the seat belt. the belt is snug across your hips. Wearing the seat belt improperly.
  • Page 42: Cargo Bed

    EBU90002 Cargo bed Opening and closing the tailgate 1. Cargo bed 2. Tailgate 1. Tailgate 2. Latch (× 2) To open Unhook the latches, and then lower the tail- gate. To close Place the tailgate in the original position, and then hook the latches.
  • Page 43 Lifting and lowering the cargo bed WARNING POTENTIAL HAZARD Pinch point. WHAT CAN HAPPEN You or someone else could be pinched between the cargo bed and the frame when the bed is being lowered. HOW TO AVOID THE HAZARD Before closing the bed, be sure others are standing away from the vehicle.
  • Page 44 WARNING WARNING POTENTIAL HAZARD POTENTIAL HAZARD Overloading the cargo bed Carrying a passenger in the cargo bed WHAT CAN HAPPEN WHAT CAN HAPPEN Could cause changes in vehicle han- The passenger could fall, be thrown out, dling which could lead to an accident or be struck by objects in the cargo bed.
  • Page 45: Front And Rear Shock Absorber Adjustment

    NOTE: justing ring in direction a. A special wrench can be obtained at a To decrease the spring preload, turn the ad- Yamaha dealer to make this adjustment. justing ring in direction b. Standard position: B A- Minimum (soft) E- Maximum (hard)
  • Page 46 WARNING POTENTIAL HAZARD Improper shock absorber adjustment. WHAT CAN HAPPEN Uneven adjustment can cause poor handling and loss of stability, which could lead to an accident. HOW TO AVOID THE HAZARD Always adjust the shock absorbers on 1. Special wrench the left and right side to the same set- ting.
  • Page 47: Trailer Hitch Bracket

    Trailer towing equipment can be obtained at a The auxiliary DC jack can be used for suitable Yamaha dealer. (See page 6-12 for precau- work lights, radios, etc. tion information.) The auxiliary DC jack should only be used when the engine is running.
  • Page 48 4. When the auxiliary DC jack is not being used, cover it with the cap. CAUTION: Do not use accessories requiring more than the above maximum capac- ity. This may overload the circuit and cause the fuse to blow. If accessories are used without the engine running or with the headlights 1.
  • Page 49: Pre-Operation Checks

    P RE-OPERATION CHECKS Before using this vehicle, check the following points: ITEM ROUTINE PAGE • Check operation, free play, fluid level and fluid leakage. Brakes 5-2–5-3, 8-30–8-34 • Fill with DOT 4 brake fluid if necessary. Parking brake • Check for proper operation, condition and free play. 8-34–8-35 •...
  • Page 50: Front And Rear Brakes

    If HOW TO AVOID THE HAZARD not, have the vehicle inspected by a Yamaha Always inspect your vehicle each time dealer. you use it to make sure the vehicle is in safe operating condition.
  • Page 51 If there is brakes. any leakage, have the vehicle inspected by a WHAT CAN HAPPEN Yamaha dealer. You could lose braking ability, which could lead to an accident. Brake operation HOW TO AVOID THE HAZARD...
  • Page 52: Fuel

    Gasohol containing ethanol can be used if and piston rings, as well as to the exhaust ethanol content does not exceed 10%. Gaso- system. hol containing methanol is not recommended by Yamaha because it may cause fuel system damage or vehicle performance problems.
  • Page 53: Engine Oil

    EBU10842 Engine oil WARNING Make sure the engine oil is at the specified POTENTIAL HAZARD level. Add oil as necessary. (See pages 8-9– Improper care when refueling. 8-12.) WHAT CAN HAPPEN CAUTION: Fuel can spill, which can cause a fire and severe injury.
  • Page 54: Coolant

    EBU12530 Coolant WARNING Check the coolant level in the coolant reser- POTENTIAL HAZARD voir when the engine is cold. (The coolant lev- Removing the radiator cap when the en- el will vary with engine temperature.) The gine and radiator are still hot. coolant level is satisfactory if it is between the WHAT CAN HAPPEN minimum and maximum level marks on the...
  • Page 55: Final Gear Oil

    It must operate smoothly and 8-14 for details.) fully spring back to the idle position when re- leased. Have a Yamaha dealer repair as nec- Recommended oil: essary for proper operation. SAE 80 API GL-4 Hypoid gear oil...
  • Page 56: Steering

    Take the vehicle or uneven tire pressure, may cause loss to a Yamaha dealer or refer to the Service of control, increasing your risk of acci- Manual for correct tightening torque.
  • Page 57 2. The tires should be set to the rec- 4. Use no more than the following ommended pressure: pressures when seating the tire Recommended tire pressure beads. Front 70 kPa (0.70 kgf/cm , 10 psi) Front 250 kPa (2.5 kgf/cm , 36 psi) Rear 98 kPa (0.98 kgf/cm , 14 psi)
  • Page 58: How To Measure Tire Pressure

    EBU01590 How to measure tire pressure Use the tire pressure gauge. NOTE: The tire pressure gauge is included as stan- dard equipment. Make two measurements of the tire pressure and use the second reading. Dust or dirt in the gauge could cause the first reading to be incorrect.
  • Page 59: Tire Wear Limit

    EBU01600 Tire wear limit When the tire groove decreases to 3 mm (0.12 in) due to wear, replace the tire. a. Tire wear limit 5-11...
  • Page 60: Operation

    Read the Owner’s Manual carefully. If make sure all control cables work there is a control or function you do not smoothly before you begin riding. understand, ask your Yamaha dealer. 1. Apply the brake. 2. Shift the drive select lever into the neutral position.
  • Page 61 25 °C (80 °F) and warm engine should come on. If the neutral indicator start position. light does not come on, ask a Yamaha dealer to inspect the electric circuit. The engine can be started in any gear if the brake is applied. However, it is rec- ommended to shift into neutral before starting the engine.
  • Page 62: Starting A Warm Engine

    EBU01800 Starting a warm engine NOTE: If the engine fails to start, release the key, and To start a warm engine, refer to the “Starting a then try starting again. Wait a few seconds cold engine” section. The starter (choke) before the next attempt.
  • Page 63 4. Using a charged 12 V battery, connect WARNING the positive lead of the jumper cable to Do not connect the negative lead of the the charged battery and the other end of jumper cable to the negative terminal of the positive lead to the positive terminal the battery in the vehicle.
  • Page 64: Warming Up

    2. Apply the brakes, then shift by moving EBU01820 Warming up the drive select lever along the shift To get maximum engine life, always warm up guide. the engine before starting off. Never acceler- NOTE: ate hard with a cold engine! To see whether or Make sure that the drive select lever is com- not the engine is warm, check if it responds to pletely shifted into position.
  • Page 65 NOTE: shift guide. When in reverse, the reverse indicator light should be on. If the light does not come on, ask a Yamaha dealer to inspect the reverse indicator light electrical cir- cuit. Due to the synchronizing mechanism in the engine, the light may not come on un- til the vehicle starts moving.
  • Page 66: Engine Break-In

    EBU02101 5. Press the accelerator pedal gradually Engine break-in and continue to watch to the rear while There is never a more important period in the backing. life of your vehicle than the period between zero and 20 hours. WARNING For this reason, we ask that you carefully read POTENTIAL HAZARD the following material.
  • Page 67 Rev the vehicle freely but do not use full throt- so the engine can rid itself of the temporary tle at any time. build up of heat. If any abnormality is noticed during this period, consult a Yamaha dealer. After break-in: Avoid prolonged full throttle operation. Vary 0–10 hours: speeds occasionally.
  • Page 68: Parking

    EBU06150 Parking Parking on a slope When parking, stop the engine and shift the WARNING drive select lever into the neutral position. Ap- POTENTIAL HAZARD ply the parking brake to help prevent the vehi- Parking on a hill or other incline. cle from rolling.
  • Page 69 1. Bring the vehicle to a stop by applying the brakes. 2. Stop the engine. 3. With the brakes applied, set the parking brake. NOTE: Like many other vehicles, the parking brake acts on the rear wheels. For the parking brake to have the effect of braking all four wheels, shift to 4WD before stopping the vehicle.
  • Page 70: Accessories And Loading

    Examples include (but are not limited Choose only accessories designed for your to) an object that limits your ability to turn vehicle. Your Yamaha dealer has a variety the steering wheel or one that limits your of genuine Yamaha accessories. Other ac- view.
  • Page 71 EBU09600 Loading Choose a trailer hitch drawbar designed for Cargo or a trailer can change the stability and use with a 5 cm (2 in) receiver. (See page handling of a vehicle. 4-24 for more information.) You must use common sense and good judg- Do not exceed the maximum tongue ment when carrying cargo or towing a trailer.
  • Page 72 Make sure the load does not interfere with WARNING controls or your ability to see where you are POTENTIAL HAZARD going. Overloading this vehicle or carrying or Drive more slowly than you would without a towing cargo improperly. load. The more weight you carry, the slow- WHAT CAN HAPPEN er you should go.
  • Page 73: Driving Your Vehicle

    EBU90029 D RIVING YOUR VEHICLE WARNING POTENTIAL HAZARD GETTING TO KNOW YOUR VEHICLE Not wearing the seat belt. This off-highway utility vehicle will handle and Wearing the seat belt improperly. maneuver differently from an ordinary pas- senger car or other vehicle. WHAT CAN HAPPEN Before you begin to use your vehicle, be sure There is increased risk of being killed or...
  • Page 74 The total weight of operator, passenger, ac- WARNING cessories, cargo, trailer tongue weight, and POTENTIAL HAZARD the vehicle itself must not exceed 907 kg Carrying a passenger in the cargo bed. (2,000 lb). (See “Loading” on page 6-12.) Car- WHAT CAN HAPPEN rying a passenger and cargo can affect vehi- The passenger could fall or be struck by cle handling.
  • Page 75 The driver and passenger must always wear a WARNING seat belt and an approved motorcycle helmet. POTENTIAL HAZARD Also wear eye protection and protective cloth- Overloading this vehicle or carrying or ing, including over-the-ankle boots, gloves, a towing cargo improperly. long-sleeved shirt or jacket, and long pants.
  • Page 76 WARNING HOW TO AVOID THE HAZARD Always wear an approved motorcycle POTENTIAL HAZARD helmet that fits properly. You should Operating this vehicle without wearing also wear: an approved motorcycle helmet, eye eye protection protection, and protective clothing. (goggles or face shield) WHAT CAN HAPPEN gloves Operating...
  • Page 77: Learning To Operate Your Vehicle

    LEARNING TO OPERATE YOUR VEHICLE Perform the Pre-Operation Checks on pages You should become familiar with the perfor- 5-1–5-11. Set the parking brake, shift to neu- mance characteristics of the vehicle in a large, tral, and follow the instructions on page 6-1 to flat area that is free of obstacles and other ve- start the engine.
  • Page 78: Turning Your Vehicle

    Position your hands on the steering wheel so CAUTION: that your thumbs and fingers do not wrap Do not shift from low to high or vice versa around the wheel. This is particularly impor- without coming to a complete stop and tant when driving in rough terrain.
  • Page 79: Braking

    BRAKING Braking ability is affected by the type of ter- rain. In most cases, gradually application of the brakes is more effective than abrupt brak- ing, particularly on loose surfaces like gravel. Always allow for greater braking distance on rough, loose, or slippery surfaces. GOING UPHILL Do not attempt to climb hills until you have mastered basic maneuvers on flat ground.
  • Page 80 Before climbing the hill, first be sure you are WARNING operating in low range 4WD or, if necessary, POTENTIAL HAZARD with 4WD Diff. Lock. To climb a hill, you need Operating on excessively steep hills. traction, momentum, and steady throttle. WHAT CAN HAPPEN Travel fast enough to keep your momentum The vehicle can overturn more easily on...
  • Page 81: Going Downhill

    If you start to lose traction or momentum GOING DOWNHILL when climbing, and you decide you will be un- Check the terrain carefully before going down able to continue, use the brakes to come to a a hill. When possible, choose a path that lets stop.
  • Page 82 Before starting down hill, make sure the vehi- WARNING cle is in low-range 4WD. On most slopes, this POTENTIAL HAZARD will let you use engine braking to help you go Going down a hill improperly. downhill slowly. Go as slowly as possible. If WHAT CAN HAPPEN you are starting to go too fast, apply the Could cause loss of control or cause the...
  • Page 83: Crossing Through Shallow Water

    CROSSING THROUGH SHALLOW WATER WARNING If you must cross shallow, slow moving water POTENTIAL HAZARD up to the depth of the vehicle’s floorboards, Operating this vehicle through deep or choose your path carefully to avoid sharp fast-flowing water. drop-offs, large rocks, or slippery surfaces WHAT CAN HAPPEN that could cause the vehicle to overturn.
  • Page 84 CAUTION: After riding your vehicle in water, be sure to drain the trapped water by removing the check hose at the bottom of the air filter case, the V-belt cooling duct check hose, the drive select lever box check hose and the V-belt case drain plug.
  • Page 85: Riding Over Rough Terrain

    RIDING OVER ROUGH TERRAIN Operating over rough terrain should be done with caution. Look for obstacles that could cause damage to the vehicle or could lead to a rollover or accident. Avoid jumping the vehi- cle as injury, loss of control, and damage to the vehicle could occur.
  • Page 86: Riding In Brush Or Wooded Areas

    RIDING IN BRUSH OR WOODED AREAS When operating in areas with brush or trees, watch carefully on both sides and above the vehicle for obstacles such as branches that the vehicle might hit, causing an accident, or for brush that might enter the vehicle as you pass and strike the driver or passenger.
  • Page 87: Encountering Obstacles On The Trail

    ENCOUNTERING OBSTACLES ON THE WARNING TRAIL POTENTIAL HAZARD If you cannot go around an obstacle such as a Improperly operating over obstacles fallen tree trunk or a ditch, stop the vehicle WHAT CAN HAPPEN where it is safe to do so. Set the parking brake Could cause loss of control or a colli- and get out to inspect the area thoroughly.
  • Page 88: Periodic Maintenance And Adjustment

    EBU05150 P ERIODIC MAINTENANCE AND Have a Yamaha dealer perform service if ADJUSTMENT you are not familiar with vehicle service. Periodic inspection, adjustment and lubrica- tion will keep your vehicle in the safest and EBU05620 most efficient condition possible. Safety is an Owner’s manual and tool kit...
  • Page 89 If you do not have a torque wrench available 1. Owner’s tool kit 2. Tire pressure gauge during a service operation requiring one, take your vehicle to a Yamaha dealer to check the torque settings and adjust them as necessary.
  • Page 90 Never modify this vehicle through im- proper installation or use of accesso- ries. All parts and accessories added to this vehicle should be genuine Yamaha or equivalent components designed for use on this vehicle and should be in- stalled and used according to instruc- tions.
  • Page 91: Periodic Maintenance/Lubrication

    EBU02610 PERIODIC MAINTENANCE/LUBRICATION NOTE: G For vehicles not equipped with an odometer or hour meter, follow the month maintenance intervals. G For vehicles equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance intervals. However, keep in mind that if the vehicle isn’t used for a long period of time, the month maintenance intervals should be followed.
  • Page 92 • Check all chassis fittings and fasteners. Fittings and fasteners* • Correct if necessary. * Since these items require special tools, data and technical skills have a Yamaha dealer perform the service. NOTE: G Recommended brake fluid: DOT 4 G Brake fluid replacement: •...
  • Page 93: Hood

    EBU90011 Hood To open Unhook the hood latches, and then slowly tilt the hood up until it stops. 1. Hood 1. Latch (× 2)
  • Page 94 To close CAUTION: Lower the hood slowly to its original position, Make sure that all cables and wires and then hook the hood latches. are in place when closing the hood. Secure projections 1 on the underside of the Do not drive the vehicle with the hood hood into slots 2 on the back of the instru- open, unlatched, or removed.
  • Page 95: Console

    EBU90012 Console To install To remove 1. Place the console in its original position. 1. Remove the seats. (See page 4-16 for 2. Install the parking brake lever boot. seat removal and installation proce- 3. Install the drive select lever boot correct- dures.) 2.
  • Page 96: Engine Oil And Oil Filter Cartridge

    EBU10991 Engine oil and oil filter cartridge NOTE: The engine oil should be between the mini- The engine oil level should be checked before mum and maximum level marks. each operation. In addition, the oil must be changed and the oil filter cartridge replaced at the intervals specified in the periodic mainte- nance and lubrication chart.
  • Page 97 4. Remove the engine oil drain bolt to drain the oil from the crankcase. 1. Oil filter cartridge 2. Oil filter wrench NOTE: An oil filter wrench is available at a nearby Yamaha dealer. 1. Engine oil drain bolt 8-10...
  • Page 98 6. Apply a light coat of engine oil to the O-ring of the new oil filter cartridge. NOTE: Make sure the O-ring is seated properly. 1. Oil filter cartridge 2. Torque wrench 8. Install the engine oil drain bolt, and then tighten it to the specified torque.
  • Page 99 10. Start the engine and warm it up for seve- Recommended engine oil: ral minutes. While warming up, check for See page 10-2. oil leakage. If oil leakage is found, turn Oil quantity: the engine off immediately and check for Without oil filter cartridge replacement: the cause.
  • Page 100: Final Gear Oil

    EBU90010 Final gear oil 3. If the oil is below the brim of the filler hole, Final gear oil measurement add sufficient oil of the recommended 1. Place the vehicle on a level surface. type to raise it to the correct level. 2.
  • Page 101 Final gear oil replacement Tightening torque: 1. Place the vehicle on a level surface. Final gear oil drain bolt: 2. Place a container under the final gear 20 Nm (2.0 m·kgf, 14 ft·lbf) case to collect the used oil. 3. Remove the oil filler bolt and the drain 5.
  • Page 102: Differential Gear Oil

    EBU07061 Differential gear oil CAUTION: Differential gear oil measurement Be sure no foreign material enters the dif- 1. Place the vehicle on a level surface. ferential gear case. 2. Remove the differential gear oil filler bolt and check the oil level. It should be up to 3.
  • Page 103 Recommended oil: SAE 80 API GL-4 Hypoid gear oil Oil quantity: 0.32 L (0.28 Imp qt, 0.34 US qt) CAUTION: Be sure no foreign material enters the dif- ferential gear case. 6. Install the differential gear oil filler bolt. 1. Differential gear oil drain bolt 7.
  • Page 104: Coolant

    EBU90003 Coolant The coolant level should be checked before each ride. Checking the coolant level 1. Place the vehicle on a level surface. 2. Open the hood. (See pages 8-6–8-7 for hood opening and closing procedures.) 3. Check the coolant level in the coolant reservoir when the engine is cold as the coolant level varies with engine tempera- 1.
  • Page 105 Mix coolant with distilled water only. How- ever, if distilled water is not available, soft water may be used for refilling. Changing the coolant The coolant must be changed by a Yamaha dealer at the intervals specified in the periodic maintenance and lubrication chart. NOTE: Adding water instead of coolant lowers the antifreeze content of the coolant.
  • Page 106: Axle Boots

    EBU08620 Axle boots Check the protective boots for holes or tears. If any damage is found, have them replaced by a Yamaha dealer. 1. Rear axle boot (× 2 each side) 1. Front axle boot (× 2 each side) 8-19...
  • Page 107: Spark Plug Inspection

    EBU90004 Spark plug inspection Removal 1. Lift the cargo bed up. (See pages 4-20– 4-21 for cargo bed lifting and lowering procedures.) 2. Remove the spark plug cap. 1. Spark plug wrench 1. Spark plug cap 3. Use the spark plug wrench in the tool kit to remove the spark plug as shown.
  • Page 108 Do not attempt to diagnose such problems yourself. Instead, take the vehicle to a Yamaha dealer. You should periodically remove and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode.
  • Page 109: Air Filter Element Cleaning

    EBU12110 3. Install the spark plug and tighten it to the Air filter element cleaning specified torque. NOTE: There is a check hose at the bottom of the air Tightening torque: filter case. If dust or water collects in this Spark plug: hose, empty the hose and clean the air filter 17.5 Nm (1.75 m·kgf, 12.7 ft·lbf)
  • Page 110 3. Remove the air filter case cover by un- hooking the holders. 1. Air filter element 1. Holder (× 4) 2. Air filter case cover 4. Remove the air filter element. 5. Remove the air filter element from its frame. 1.
  • Page 111 6. Wash the air filter element gently but 9. Apply Yamaha foam air filter oil or other thoroughly in solvent. quality foam air filter oil to the air filter el- ement. WARNING NOTE: POTENTIAL HAZARD The air filter element should be wet but not Using low flash point solvents or gaso- dripping.
  • Page 112 13. Install the console. CAUTION: 14. Install the seats. Never operate the engine with the air filter NOTE: element removed. This will allow unfiltered The air filter element should be cleaned every air to enter, causing rapid engine wear and 20–40 hours.
  • Page 113: V-Belt Cooling Duct Check Hose

    NOTE: If water drains from the V-belt case after re- moving the drain plug, have a Yamaha dealer inspect the vehicle as the water may affect other engine parts. 1. V-belt cooling duct check hose...
  • Page 114: Spark Arrester Cleaning

    EBU13580 Spark arrester cleaning Be sure the exhaust pipe and muffler are cool before cleaning the spark arrester. 1. Remove the bolts. 2. Remove the tailpipe by pulling it out of the muffler. 3. Tap the tailpipe lightly, and then use a wire brush to remove any carbon depos- its from the spark arrester portion of the tailpipe.
  • Page 115 WARNING POTENTIAL HAZARD Improper cleaning of the spark arrester. Hot exhaust system WHAT CAN HAPPEN Could injure the eyes. Could cause burns. Could cause carbon monoxide poison- ing, possibly leading to death. 1. Bolt (× 3) Could start a fire. HOW TO AVOID THE HAZARD When cleaning the spark arrester: Always let the exhaust system cool pri-...
  • Page 116: Carburetor Adjustment

    A diagnostic tachometer must be used for this requires very sophisticated adjustment. Most procedure. adjusting should be left to a Yamaha dealer who has the professional knowledge and ex- 1. Start the engine and warm it up for a few perience to do so.
  • Page 117: Valve Clearance Adjustment

    If a brake pad has worn to the point that the wear indica- tor grooves have almost disappeared, have a Yamaha dealer replace the brake pads as a set. 1. Throttle stop screw 5. Install the console.
  • Page 118: Rear Brake Pad Check

    If a brake pad has worn to the point that the wear indica- tor grooves have almost disappeared, have a Yamaha dealer replace the brake pads as a set. 1. Brake pad wear indicator groove...
  • Page 119: Checking The Brake Fluid Level

    EBU90005 Checking the brake fluid level The brake fluid reservoir is located under the hood. (See pages 8-6–8-7 for hood opening and closing procedures.) Observe these precautions: When checking the fluid level, make sure the top of the brake fluid reservoir is level. Use only the recommended quality brake fluid.
  • Page 120: Brake Fluid Replacement

    Brake fluid may deteriorate painted surfac- Checking the brake pedal es or plastic parts. Always clean up spilled Have a Yamaha dealer check the brakes at fluid immediately. the intervals specified in the periodic mainte- Have a Yamaha dealer inspect the brake nance and lubrication chart.
  • Page 121: Parking Brake Cable Free Play Adjustment

    Make sure the brakes do not drag. (0.08–0.12 in) as shown. If necessary, All air must be bled from the brake adjust the free play as follows. system. Replacement of brake components re- quires professional knowledge. These procedures should be performed by a Yamaha dealer. 8-34...
  • Page 122 a. Parking brake cable free play 1. Locknut 2. Adjusting nut 6. Turn the adjusting nut in direction a to NOTE: increase the free play or in direction b to The parking brake lever must be released when checking and adjusting the parking decrease the free play.
  • Page 123: Brake Light Switch Adjustment

    EBU90006 Brake light switch adjustment The brake light switch, which is activated by the brake pedal, is properly adjusted when the brake light comes on just before braking takes effect. If necessary, adjust the brake light switch as follows. 1. Open the hood. (See pages 8-6–8-7 for hood opening and closing procedures.) 2.
  • Page 124: Cable Inspection And Lubrication

    Inspect cables frequently. Replace dam- aged cables. Lubricate the inner cables and the cable ends. If the cables do not operate smoothly, ask a Yamaha dealer to replace them. Recommended lubricant: Yamaha chain and cable lube or SAE 10W30 motor oil 8-37...
  • Page 125: Rear Knuckle Upper And Lower Pivot Lubrication

    EBU13110 EBU12810 Rear knuckle upper and lower pivot Steering shaft lubrication lubrication Lubricate the pivot points. Lubricate the knuckle upper and lower pivots Recommended lubricant: with a grease gun. Lithium-soap-based grease (all purpose grease) Recommended lubricant: Lithium-soap-based grease 8-38...
  • Page 126: Wheel Removal

    EBU11120 EBU11210 Wheel removal Wheel installation 1. Loosen the wheel nuts. 1. Install the wheel and the nuts. 2. Elevate the vehicle and place a suitable NOTE: stand under the frame. Tapered nuts are used for both the front 3. Remove the nuts from the wheel. and rear wheels.
  • Page 127 1. Tapered nut 2. Lower the vehicle so that the wheel is on the ground. 3. Tighten the wheel nuts to the specified torque. Wheel nut torque: Front: 55 Nm (5.5 m·kgf, 40 ft·lbf) Rear: 55 Nm (5.5 m·kgf, 40 ft·lbf) 8-40...
  • Page 128: Battery

    Keep out of reach of chil- tery. If the battery seems to have discharged, dren. consult a Yamaha dealer. Antidote: EXTERNAL: Flush with water. CAUTION: INTERNAL: Drink large quantities of wa- Do not try to remove the sealing caps of ter or milk.
  • Page 129: Battery Maintenance

    EBU03850 Battery maintenance 1. When the vehicle is not used for a month or longer, remove the battery and store it in a cool, dark place. Completely re- charge the battery before reinstallation. CAUTION: A special battery charger (constant volt- age/ampere or constant voltage) is re- quired recharging...
  • Page 130: Fuse Replacement

    EBU90007 Fuse replacement CAUTION: The main fuse and the fuse box are located To prevent accidental short-circuiting, under the hood. (See pages 8-6–8-7 for hood turn off the main switch when checking or opening and closing procedures.) replacing a fuse. If a fuse is blown, turn off the main switch and install a new fuse of the specified amperage.
  • Page 131 4. Turn the key to “ON” and turn on the of the proper fuse. electrical circuit in question to check if the device operates. 5. If the fuse immediately blows again, have a Yamaha dealer check the electrical system. 6. Install the battery cover. 7. Close the hood. 8-44...
  • Page 132: Replacing A Headlight Bulb

    EBU90008 Replacing a headlight bulb If a headlight bulb burns out, replace it as fol- lows. 1. Lift the hood up. (See pages 8-6–8-7 for hood opening and closing procedures.) 2. Remove the bulb holder cover at the rear of the headlight by pulling it off. 1.
  • Page 133: Headlight Beam Adjustment

    WARNING CAUTION: POTENTIAL HAZARD A headlight bulb is hot when it is on and It is advisable to have a Yamaha dealer immediately after it is turned off. make this adjustment. WHAT CAN HAPPEN To raise the beam, turn the adjusting screw in You can be burned, or a fire could start direction a.
  • Page 134: Tail/Brake Light Bulb Replacement

    EBU90009 Tail/brake light bulb replacement If a tail/brake light bulb burns out, replace it as follows: 1. Remove panel A (if replacing the left tail/ brake bulb) or panel B (if replacing the right tail/brake bulb) by removing the quick fasteners and bolts. 1.
  • Page 135: Troubleshooting

    3. Push the defective bulb in and turn it genuine Yamaha parts on your vehicle. Imita- counterclockwise to remove from the tion parts may look like Yamaha parts, but bulb holder. they are often inferior. Consequently, they 4. Push a new bulb in and turn it clockwise have a shorter service life and can lead to ex- to install in the bulb holder.
  • Page 136 WARNING POTENTIAL HAZARD Checking the fuel system while smok- ing or near an open flame. WHAT CAN HAPPEN Fuel can ignite or explode, causing se- vere injury or property damage. HOW TO AVOID THE HAZARD Do not smoke when checking the fuel system.
  • Page 137: Troubleshooting Charts

    There is fuel. No fuel. from the fuel pump. fuel flow. clogged. Check if there is fuel in the fuel tank. Ask a Yamaha dealer to Supply fuel. Restart the engine. No fuel. inspect. 2. Compression There is compression. Compression normal.
  • Page 138 Restart the engine. If the engine overheats again, ask a Level is OK. Yamaha dealer to inspect and/or repair the cooling system. NOTE: If it is difficult to get the recommended coolant, tap water can be temporarily used, provided that it is changed to the recommended coolant as soon as possible.
  • Page 139: Cleaning And Storage

    EBU04190 C LEANING AND STORAGE CAUTION: Excessive water pressure may cause wa- A. CLEANING ter seepage and deterioration of wheel Frequent, thorough cleaning of your vehicle bearings, brakes, transmission seals and will not only enhance its appearance but will electrical devices. Many expensive repair improve its general performance and extend bills have resulted from improper high the useful life of many components.
  • Page 140 6. Clean the seats with a vinyl upholstery WARNING cleaner to keep the cover pliable and POTENTIAL HAZARD glossy. Operation with wet brakes after wash- 7. Automotive type wax may be applied to ing. all painted and chrome plated surfaces. WHAT CAN HAPPEN Avoid combination cleaner-waxes.
  • Page 141: Storage

    Long term storage (60 days or more) of your nates the need to drain the fuel system. Con- vehicle will require some preventive proce- sult a Yamaha dealer if the fuel system needs dures to guard against deterioration. After to be drained instead.
  • Page 142 8. Remove the battery and charge it. Store it in a dry place and recharge it once a month. Do not store the battery in an ex- cessively warm or cold place (less than 0 °C (30 °F) or more than 30 °C (90 °F)). NOTE: Make any necessary repairs before storing the vehicle.
  • Page 143: Specifications

    EBU04280 S PECIFICATIONS Model YXR660FA Dimensions: Overall length 2,885 mm (113.6 in) Overall width 1,385 mm (54.5 in) Overall height 1,853 mm (73.0 in) Seat height 818 mm (32.2 in) Wheelbase 1,910 mm (75.2 in) Ground clearance 273 mm (10.75 in) Minimum turning radius 3,900 mm (153.5 in) Basic weight:...
  • Page 144 Model YXR660FA Engine oil: 0° 10° 30° 50° 70° 90° 110° 130°F Type YAMALUBE 4 (20W40) or SAE 20W40 YAMALUBE 4 (10W30) or SAE 10W30 SAE 5W30 -20° -10° 0° 10° 20° 30° 40° 50°C Recommended engine oil classification API Service SE, SF, SG type or higher CAUTION: In order to prevent clutch slippage (since the en- gine oil also lubricates the clutch), do not mix any...
  • Page 145 Model YXR660FA Final gear case oil: Type SAE80 API GL-4 Hypoid gear oil Quantity: 0.25 L (0.22 Imp qt, 0.26 US qt) Differential gear case oil: Type SAE80 API GL-4 Hypoid gear oil Quantity: 0.32 L (0.28 Imp qt, 0.34 US qt) Radiator capacity (including all routes): 2.50 L (2.20 Imp qt, 2.64 US qt) Air filter:...
  • Page 146 Model YXR660FA Transmission: Primary reduction system V-belt Secondary reduction system Shaft drive 41/21 × 24/18 × 33/9 (9.544) Secondary reduction ratio Transmission type V-belt automatic Operation Right hand operation Reverse gear 25/17 (1.471) Sub transmission ratio 35/17 (2.058) high 28/19 (1.473) Chassis: Frame type Steel tube frame...
  • Page 147 Model YXR660FA Brake: Front brake type Dual disc brake operation Foot operation Rear brake type Single disc brake operation Foot operation Suspension: Front suspension Double wishbone Rear suspension Double wishbone Shock absorber: Front shock absorber Coil spring / oil damper Rear shock absorber Coil spring / oil damper Wheel travel:...
  • Page 148 Model YXR660FA Bulb voltage, wattage × quantity: 12 V, 30 W / 30 W × 2 Headlight 12 V, 5 W / 21 W × 2 Tail/brake light Indicator light: 12 V, 1.7 W × 1 Neutral indicator light 12 V, 1.7 W × 1 Reverse indicator light 12 V, 1.7 W ×...
  • Page 149: Noise Regulation

    EBU13640 N OISE REGULATION TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED: Federal law prohibits the following acts or the causing thereof: (1) The removal or rendering inop- erative by any person other than for purposes of maintenance, repair, or replacement of any de- vice or element of design incorporated into any new vehicle for the purpose of noise control prior to its sale or delivery to the ultimate purchaser or while it is in use or (2) the use of the vehicle after such device or element of design has been removed or rendered inoperative by any person.
  • Page 150: Maintenance Record

    EBU13651 M AINTENANCE RECORD Copies of work orders and/or receipts for parts you purchase and install will be required to docu- ment maintenance done in accordance with the warranty. The chart below is printed only as a re- minder to you that the maintenance work is required. It is not acceptable proof of maintenance work.
  • Page 151: Yamaha Motor Corporation

    Modification to original parts. EXCLUDED FROM THIS WARRANTY. THE PERIOD OF WARRANTY for YXR OR YXP Yamaha Side × Side vehicles shall be six (6) months Damage due to improper transportation. from the date of purchase, with no mileage limitation.
  • Page 152 EBU13700 YAMAHA EXTENDED SERVICE (Y.E.S.) 14-1...
  • Page 153 14-2...
  • Page 154 YAMAHA MOTOR CO., LTD. PRINTED ON RECYCLED PAPER PRINTED IN USA 2003.08-2.0×1 CR...

This manual is also suitable for:

Rhino 660 yxr660fas

Table of Contents