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Important manual information ESU10151 Particularly important information is distin- guished in this manual by the following nota- tions. This is the safety alert symbol. It is used to alert you to potential personal injury haz- ards. Obey all safety messages that follow this symbol to avoid possible injury or death.
Contents Suspension ........21 Location of the important labels ..1 Pre-operation checks ..... 29 Safety information ......3 Pre-operation check list ....29 Description ........5 Operation ......... 31 Starting the engine ....... 31 Control functions ......8 Break-in ........32 Main switch ........
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Fittings and fasteners ....68 Battery .......... 68 Replacing a fuse ......69 Troubleshooting ......73 Storage ..........77 Specifications ......... 79 Consumer information....81 Identification number records ..81 YAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTY....... 82 YAMAHA EXTENDED SERVICE (Y.E.S.)........85...
Read and understand all of the labels on your vehicle. They contain important information for safe and proper operation of your vehicle. Never remove any labels from your vehicle. If a label becomes difficult to read or comes off, a replacement label is available from your Yamaha deal-...
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Location of the important labels NOTICE ATTENTION 8HA-2815M-E0 NOTICE ATTENTION 8ET-2815K-00 8ET-2815K-10 10 RX10MT LOAD LIMIT / CHARGE LIMITE 10kg {22lbs} 8ET-24897-00...
Become familiar with all of the operating This snowmobile is designed to carry the controls and their function. Consult a OPERATOR ONLY. Passengers are pro- Yamaha dealer about any control or func- hibited. Carrying a passenger can cause tion you do not understand. loss of control.
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Many surfaces such as ice and hardpacked cessories or offer other modifications for snow require much longer stopping distanc- Yamaha vehicles. Yamaha is not in a position es. Be alert, plan ahead and begin deceler- to test the products that these aftermarket ating early.
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Description The snowmobile you have purchased may differ slightly from those shown in the figures of this manual. Design and specifications are subjected to change without notice.
Control functions ESU12691 Main switch The main switch controls the ignition and lighting systems. The various positions are described below. 1. Throttle lever ESU10321 Engine overheating prevention system This model is equipped with a system, which 1. Off prevents overheating when the engine is 2.
Control functions tle valves fail to return to the idle position Trouble when the throttle lever is released. (See page 79 for the clutch engagement speed.) Idling / Running Trouble starting Throttle switch Throttle position Closed Open Open sensor T.O.R.S. Engine will oper- 1.
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Control functions a digital speedometer (which shows the The grip warmer level is initially displayed for riding speed) 5 seconds, then the display switches to the a tachometer (which shows engine speed) fuel meter. Odometer, tripmeter, and barometer an odometer (which shows the total dis- tance traveled) modes two tripmeters (which show the distance...
Control functions Display brightness control This function allows you to adjust the bright- ness of the meter display to suit the outdoor lighting conditions. To adjust the display brightness Turn the main switch to the off position. Push and hold down the “SELECT” but- ton.
Control functions ESU10424 Fuel meter and grip/thumb warmer level indicator The fuel meter and grip/thumb warmer level indicator have eight segments which show the amount of fuel remaining in the fuel tank, the grip warmer level, or the thumb warmer level.
The fuel level warning indicator, warning light, and all segments of the fuel meter warn the rider of the above problems by flashing con- tinuously. If this occurs, have a Yamaha dealer inspect the snowmobile as soon as possible. 1. Grip warmer adjustment switch...
If the oil level warning indicator and the warn- ter/odometer display. Note the error code, ing light go off, the engine oil level is sufficient, and then have a Yamaha dealer inspect the however it is getting low. Add engine oil as snowmobile as soon as possible. NOTICE: soon as possible.
Control functions To raise the temperature, press the respec- Do not use an automotive cigarette light- tive switch to “HI”. To lower the temperature, er or other accessory with a plug that press the switch to “LO”. (See page 12 for gets hot because the jack can be dam- more information.) aged.
Control functions While lightly pushing the brake lever in di- rection (a), finger tighten the adjusting bolt to set the brake lever to the desired position. ESU10592 Shift lever The shift lever is used to put the snowmobile into forward or reverse. After coming to a 1.
Control functions 1. Pull out. 1. Shroud 2. Slide to “REV” (reverse). 2. Right side cover 3. Release. ECS00072 NOTICE Do not use the shift lever while the snow- mobile is moving, otherwise the drive train could be damaged. ESU12531 Rear shock absorber damping force remote adjustment dial (RX10R / RX10LT)
Control functions Make sure that the drive guard is tight- ECS00180 NOTICE ened securely before operating the Make sure that the V-belt is installed se- snowmobile to protect against severe curely in the holders. injury or death from a broken V-belt or other part should it come off the snow- ESU10810 mobile while it is in operation.
Control functions ESU10601 Fuel Make sure there is sufficient gasoline in the tank. EWS00071 WARNING Gasoline and gasoline vapors are ex- tremely flammable. To avoid fires and ex- plosions and to reduce the risk of injury when refueling, follow these instructions. 1.
Control functions Your Yamaha engine has been designed to use regular unleaded gasoline with a pump octane number [(R+M)/2] of 86 or higher, or a research octane number of 91 or higher. ECS00080 NOTICE Oxygenated fuels (gasohol) containing a maximum 5% of ethanol can be used, although richer jetting may be required to prevent engine damage.
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Control functions Tighten the locknut to the specified ECS00710 NOTICE torque. NOTICE: Always tighten the Make sure that there is no load on the locknut against the adjusting nut, and shock absorbers and that they are fully ex- then tighten the locknut to the speci- tended before making any air pressure ad- fied torque.
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Control functions 1. Hose connector 1. Bleed valve button Air pressure range: 345 kPa (3.4 kgf/cm², 50 psi) to 1034 If the shock absorber has no air pressure, the kPa (10.3 kgf/cm², 150 psi) gauge reading will be zero. Recommended air pressure: 483 kPa (4.8 kgf/cm², 70 psi) To increase the air pressure, operate the pump a few times.
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Control functions ESU10974 Spring preload setting*: Adjusting the spring preload of the Minimum (soft): center shock absorber and the rear 112.5 mm (4.43 in) torsion springs (RX10RTR / RX10MT), Standard: or the rear shock absorber (RX10R / 113.5 mm (4.47 in) Maximum (hard): RX10LT) 123.5 mm (4.86 in)
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Maximum (hard): The spring preload can be further adjusted by 1. Rear shock absorber damping force remote changing the position of the spring seat. adjustment dial Have a Yamaha dealer make this adjustment 2. Standard position as it requires special tools.
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Control functions Rebound damping setting: Compression damping setting: Minimum (soft): Minimum (soft): 11 click(s) in direction (b)* 20 click(s) in direction (b)* Maximum (hard): Standard: 11 click(s) in direction (a)* 11 click(s) in direction (b)* * With the adjustment dial in the stan- Maximum (hard): dard position 1 click(s) in direction (b)*...
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Control functions 1. Locknut 2. Control rod adjuster To increase weight transfer, turn the ad- juster in direction (a), and to decrease weight transfer, turn it in direction (b). WARNING! Never adjust the control rod beyond the range of the scale on the special wrench, otherwise the con- trol rod could be damaged, which could lead to an accident or injury.
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Control functions 1. Red paint area 2. Adjustable range 3. Standard position Tighten the locknut while holding the ad- justing nut in place. Locknut tightening torque: 25 Nm (2.5 m·kgf, 18 ft·lbf)
• Make sure that drive guard is tightened securely. Drive guard • Check the drive guard mounts for damage. • Check operation. • If soft or spongy, have Yamaha dealer bleed hy- draulic system. • Check brake pads for wear. Brake •...
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• Correct if necessary. • Make sure that operation is smooth and spring Throttle lever back to its home position when released. • Check the T.O.R.S. for proper operation. Throttle override system • If system is defective, have Yamaha dealer check (T.O.R.S.) vehicle.
If the engine does not start or if it stops Turn the main switch to the start position again, ask a Yamaha dealer to inspect the and release it when the engine starts. snowmobile.
Before you ride, always perform the pre-oper- ing the engine break-in period, immedi- ation checks listed on page 29. The short time ately have a Yamaha dealer check the spent checking the condition of the snowmo- snowmobile. bile will be rewarded with added safety and a ESU11333 more reliable snowmobile.
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Operation The beginning operator should select a large As you approach a curve, slow down and be- flat area to become familiar with the snowmo- gin to turn the handlebar in the desired direc- bile. Make sure that this area is free of obsta- tion.
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Operation risk of an accident. Do not try steeper or Riding downhill more difficult inclines until you have de- EWS00240 WARNING veloped your skill on gentle slopes. Use extra caution when applying the brake You should practice first on gentle slopes. Try during a descent.
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Operation the seat and the foot of your uphill leg on the Hard-packed snow running board. This position will make it easi- It can be more difficult to negotiate on hard- er for you to shift your body weight as needed. packed snow as both the skis and drive track do not have as much traction as when the snowmobile is operated on fresh snow.
Maximizing drive track life manufacturer for installation and stud pattern Recommendations recommendations. Track tension Yamaha does not recommend track stud- During initial break-in, the new drive track will ding. tend to stretch quickly as the track settles. Be ESU11360 Strap (RX10MT)
Operation Keep the right hand on the right handle- NOTICE: Do not shift from “FWD” to bar grip for steering, and grip the strap “REV” or from “REV” to “FWD” while with the left hand to shift weight uphill the snowmobile is moving, as the for balance during traverse riding.
Operation Press the throttle lever slowly to move the ESU11430 Transporting snowmobile. When transporting your snowmobile on a trail- Turn the handlebar in the desired direc- er or in a truck, observe the following recom- tion. mendations to help protect it from damage: Squeeze the brake lever to stop the If transporting the snowmobile in an open snowmobile.
Yamaha dealers are trained and equipped to perform these particular services. ESU11461 Periodic maintenance chart for the emission control system Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills. INITIAL...
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Periodic maintenance and adjustment INITIAL EVERY Seasonally 1 month ITEM REMARKS PAGE or 800 km 4000 km (500 mi) (2500 mi) (40 hr) (200 hr) • Check breather hose for cracks Crankcase breather or damage. — system • Replace if necessary. •...
Periodic maintenance and adjustment ESU11561 General maintenance and lubrication chart INITIAL EVERY Seasonally 1 month ITEM REMARKS PAGE or 800 km 4000 km (500 mi) (2500 mi) (40 hr) (200 hr) • Change (warm engine before Engine oil draining) Every Engine oil filter car- •...
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Periodic maintenance and adjustment INITIAL EVERY Seasonally 1 month ITEM REMARKS PAGE or 800 km 4000 km (500 mi) (2500 mi) (40 hr) (200 hr) • Check toe-out. * Steering system • Adjust if necessary. • Check bearing assemblies for looseness.
If you do not have a torque wrench available stay, slowly lower it to the original position, during a service operation requiring one, take and then tighten the fasteners. your snowmobile to a Yamaha dealer to check the torque settings and adjust them if necessary. ESU12892...
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Periodic maintenance and adjustment Loosen the fasteners, and then remove the side cover. 1. Screw 2. Cable guide 1. Fastener Loosen the quick fastener screws, dis- 2. Right side cover connect the main switch coupler and aux- iliary DC jack coupler, and then remove the top cover.
Do not at- tempt to diagnose such problems yourself. Instead, take the snowmobile to a Yamaha dealer for inspection and possible repairs. You should periodically remove and inspect...
Periodic maintenance and adjustment When installing the spark plug, always clean the gasket surface. Wipe off any grime from the threads and tighten the spark plug to the specified torque. Spark plug tightening torque: 12.5 Nm (1.25 m·kgf, 9 ft·lbf) ECS00382 NOTICE Make sure that the spark plug caps are se-...
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Periodic maintenance and adjustment Remove the headlight unit bolt on each side of the snowmobile and loosen the quick fastener screws shown on the top cover. 1. Locknut 2. Throttle cable free play adjusting bolt 3. Throttle cable free play Throttle cable free play: 1.
31. by turning the main switch to the off Hold the pivot point of the throttle lever position and consult a Yamaha dealer. away from the throttle switch by putting Operating the snowmobile with a mal- your thumb (above) and forefinger (be- functioning T.O.R.S.
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Periodic maintenance and adjustment Lift up the air filter element frame and check the air filter element. If there is any snow on the air filter element, remove the element, brush off the snow, and then in- stall the air filter element. Remove the headlight unit bolt on each side of the snowmobile and loosen the quick fastener screws shown on the top...
Yamaha dealer. The dealer can tell you if there are any changes necessary for the al- titude where you plan to ride. NOTICE: The...
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The oil filter cartridge should be re- placed every 20000 km (12000 mi) of op- eration. Have a Yamaha dealer replace the oil filter cartridge. To check the engine oil level 1. Oil level gauge coupler Place the snowmobile on a level surface 2.
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Install the right side cover and the shroud. To change the engine oil (without oil filter car- tridge replacement) It is recommended to have a Yamaha dealer change the engine oil. Place the snowmobile on a level surface, and apply the parking brake.
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Periodic maintenance and adjustment 12. Start the engine, warm it up for several minutes, and then turn it off. 13. Add sufficient oil of the recommended type to raise it to the “H” level mark on the dipstick. (See above for checking proce- dures.) NOTICE: When adding the en- gine oil, be careful not to fill above the “H”...
Tap water can be used temporarily in and have a Yamaha dealer check the an emergency. [ECS00491] snowmobile. Continuing to operate the engine under such conditions could cause severe engine damage.
Check for any coolant leakage. If you find any leaks, consult a Yamaha deal- 1. Coolant reservoir cap Install the top cover. 2. Coolant recovery tank cap...
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V-belt position reaches 1.5 mm (0.06 in) below the edge of the secondary sheave assembly. Have a Yamaha dealer make this adjust- ment. Apply the parking brake before replacing the V-belt.
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Periodic maintenance and adjustment Rotate the secondary sliding sheave clockwise and push it so that it separates from the secondary fixed sheave. 1. Secondary sliding sheave 2. Secondary fixed sheave Pull the V-belt up over the secondary fixed sheave. 1. Edge of the secondary sheave assembly 2.
Periodic maintenance and adjustment Rotate the secondary sliding sheave clockwise and push it so that it separates from the secondary fixed sheave. 1. Secondary sliding sheave 2. Secondary fixed sheave 10. Install the V-belt between the secondary sliding and fixed sheaves. 1.
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Periodic maintenance and adjustment Recommended drive chain oil: SAE 75W or 80W API GL-3 Gear oil Install the dipstick, making sure to align the notch in the dipstick handle with the projection on the drive chain housing. 1. Dipstick Remove the dipstick and check that the oil is between the maximum and mini- mum level marks.
Do not operate the snowmobile if you Yamaha dealer to replace them. find any problems in the brake system. You could lose braking ability, which could lead to an accident. Ask a Yamaha dealer to inspect and repair the brake system. ECS00060...
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WARNING 1. Parking brake pad Make sure that the brake fluid and the fol- 2. Brake disc lowing parts are replaced by a Yamaha Parking brake pad to brake disc clear- dealer. ance (a) + (b): Brake fluid replacement is necessary when 1.5–2.0 mm (0.059–0.079 in)
1. Ski wear limit 0.0–15.0 mm (0.00–0.59 in) Ski runner wear limit: If the alignment is not correct, consult a 8 mm (0.3 in) Yamaha dealer. Ski wear limit: ESU12151 RX10LT 12 mm (0.5 in) Steering system RX10MT 24 mm (0.9 in) Check the handlebar for excessive free play.
Check the drive track for deflection, wear, and If excessive free play is felt, consult a Yamaha damage. dealer. Adjust or replace if necessary. (See the fol- ESU12173 lowing section for more details.)
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Periodic maintenance and adjustment Check the drive track alignment with the slide runners. If the alignment is incorrect, Measure the gap between the slide runner align the drive track by turning the left and and the edge of the track window. Measure right adjusting nuts.
Periodic maintenance and adjustment Shifted to right Recheck alignment and deflection. If nec- essary, repeat steps 3 to 5 until the prop- er adjustment is achieved. Tighten the rear axle nut. Rear axle nut tightening torque: 75 Nm (7.5 m·kgf, 54 ft·lbf) Slide runners Check the slide runners for wear and dam- age.
Periodic maintenance and adjustment Therefore, avoid prolonged operation on hard surfaces such as ice, hard-packed snow, dirt, etc., to extend the life of the track and slide runners. 1. Lubrication point ECS00610 NOTICE Only use in deep snow riding condi- tions.
Periodic maintenance and adjustment 1. Lubrication point 1. Screw 2. Headlight access panel Disconnect the headlight coupler. Remove the bulb holder cover. 1. Lubrication point ESU12221 Replacing a headlight bulb 1. Headlight coupler Remove the top cover. (See page 43 for 2.
Periodic maintenance and adjustment Install the new bulb, and then hook the bulb holder onto the headlight unit. NOTICE: Keep oil and your hands away from the glass part of the bulb or its life and illumination will be affect- ed.
KEEP OUT OF THE REACH OF CHILDREN. age or A FIRE HAZARD. Charge or have a Yamaha dealer charge the ECS00631 battery as soon as possible if it seems to have NOTICE discharged.
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Periodic maintenance and adjustment 1. Fastener 1. Air filter case drain hose clamp 2. Air temperature sensor coupler 2. Air filter case drain hose Loosen the joint clamp bolts. Remove the air filter case. Disconnect the negative battery lead. Replace the blown fuse with one of the proper amperage.
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Periodic maintenance and adjustment Specified fuses: Main fuse: 40.0 A Fuel injection system fuse: 10.0 A “HEAD” (headlight) fuse: 20.0 A “SIG” (signal) fuse: 10.0 A “DC TERM” (auxiliary DC jack) fuse: 3.0 A “IGN” (ignition) fuse: 20.0 A “BACK UP” (backup) fuse: 3.0 A “FAN”...
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Periodic maintenance and adjustment Headlight unit bolt tightening torque: 3 Nm (0.3 m·kgf, 2.2 ft·lbf) 14. Install the top cover, the left and right side covers, and the shroud. If the fuse immediately blows again, ask a Yamaha dealer to inspect the snowmobile.
Clean fuel line. Compression ↓ Insufficient • Clogged injector: • Loose cylinder head nuts: Ask a Yamaha dealer to inspect. Tighten nuts properly. Fuel supplied to combustion chamber ↓ • Flooded engine: • Worn or damaged gasket: Crank engine or wipe the spark plugs Replace gasket.
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Troubleshooting Be sure to pull the lead covers back over the terminals completely. If the termi- nals are exposed, they could come into contact with the frame or a metal part of the snowmobile and this can cause elec- trical system damage or A FIRE HAZ- ARD.
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Engine stop switch is pushed in: Pull it out. Faulty wire connections: Check connec- tions or ask a Yamaha dealer to inspect. Discharged battery: Charge battery or see “Discharged battery” above. Seized engine: Seizure is caused by poor lubrication, inadequate fuel, or an air leak.
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Engine does not upshift or downshift properly or engages harshly Worn or damaged V-belt: Replace the V- belt or ask a Yamaha dealer to inspect. Incorrect V-belt clutch settings for altitude or conditions: Ask a Yamaha dealer to in- spect.
(gaso- the fuel increases the chance for water to en- line), rust removers or inhibitors, brake ter the engine. Use Yamaha Stor-Rite Engine fluid, antifreeze or electrolyte. Fogging Oil, or an equivalent fogging oil, to...
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Apply a coat of wax to painted surfaces. Apply that you have your snowmobile checked and suitable protectants to the exterior of the en- tuned by a Yamaha dealer. The dealer has gine, drive track, and to other metal, plastic, the experience and training to help you get and rubber parts.
Specifications ESU12465 Fuel: Type: REGULAR UNLEADED GASOLINE Dimensions: ONLY Overall length: Minimum pump octane (R+M)/2: RX10LT 3000 mm (118.1 in) RX10MT 3335 mm (131.3 in) Starting system: RX10R 2805 mm (110.4 in) Electric starter RX10RTR 2805 mm (110.4 in) Chassis: Overall width: Drive track: RX10LT 1225 mm (48.2 in)
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Specifications Sheave offset: Spark plug: 13.5–16.5 mm (0.53–0.65 in) Manufacturer: Engagement speed (Subject to change according to elevation settings.): Model: 3300–3700 r/min CR9EB Shift speed [Subject to change according to Gap: elevation settings. Usually achieved after 0.7–0.8 mm (0.028–0.031 in) approximately 800 m (0.5 mi) traveled.]: Battery: 10250–10750 r/min...
Record the frame serial number, engine serial number (Primary ID), and key identification number in the spaces provided for assistance when ordering spare parts from a Yamaha dealer. Also, record and keep the ID numbers in a separate place in case the snowmobile is sto- len.
WARRANTY PERIOD: WARRANTY TRANSFER: To transfer any remain- 1. All Yamaha snowmobiles shall be warranted for a ing warranty from the original purchaser to any subse- term of one (1) year from the date of purchase, plus quent purchaser, it is imperative that the machine be a special early-season extension (if applicable).
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Post Office Box 6555 specified in the Owner’s Manual? Cypress, California 90630 A. No. The warranty on a new Yamaha cannot be “voided” or “canceled.” However, if a particular failure is caused by operation or maintenance other than as shown in the Owner’s Manual, that failure may not be...
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If the dealer is not able to do so, he is expected to contact Yamaha Motor If you should move after you have purchased your new Corporation, U.S.A., for clarification or assistance.
Consumer information ESU12510 YAMAHA EXTENDED SERVICE (Y.E.S.)
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Index Air filter, checking........48 Location of the important labels ....1 Auxiliary DC jack ........16 Low coolant temperature indicator light ... 12 Lubrication..........66 Battery............68 Brake and parking brake ......60 Main switch ..........8 Brake lever ..........16 Break-in............
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Index Throttle cable free play, adjusting .... 46 Throttle lever ..........8 Throttle override system (T.O.R.S.) ... 8 Throttle override system (T.O.R.S.), checking..........48 Tool kit............43 Transporting ..........38 Troubleshooting ........73 Valve clearance........50 V-belt............55 V-belt holders ........... 19...
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YAMAHA MOTOR CO., LTD. PRINTED IN JAPAN 2008.04 - 0.4×1 CR PRINTED ON RECYCLED PAPER...