2008 Yamaha Motorsports FX Nytro RTX Owners Manual
2008 Yamaha Motorsports FX Nytro RTX Manual
2008 Yamaha Motorsports FX Nytro RTX manual content summary:
- 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 1
OWNER'S MANUAL FX10X FX10RTX FX10RTRX FX10RTRAX FX10MTX FX10MTRX FX10MTRAX LIT-12628-02-69 8GL-28199-10 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 2
ESU10040 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 3
your Yamaha dealer pay close attention to the recommended maintenance schedules and operating instructions contained within this manual. FX10X FX10RTX FX10RTRX FX10RTRAX FX10MTX FX10MTRX FX10MTRAX OWNER'S MANUAL ©2007 by Yamaha Motor Corporation, U.S.A. 1st Edition, April 2007 All rights reserved - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 4
information ESU10150 EWS00020 WARNING EWS00010 WARNING PLEASE READ AND UNDERSTAND THIS MANUAL COMPLETELY BEFORE OPERATING THE SNOWMOBILE. Failure to follow WARNING instructions could result in severe injury or death to the snowmobile operator, a bystander, or a person inspecting or repairing - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 5
Contents Safety information ...1 Location of the important labels ...4 Description ...6 Control functions ...9 Main switch ...9 Throttle lever ...9 Engine overheating prevention system ...9 Throttle override system (T.O.R.S.) ...9 Speedometer unit ...11 High beam indicator light ...12 Low coolant - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 6
Contents Fittings and fasteners ...66 Battery ...66 Replacing a fuse ...67 Troubleshooting ...69 Storage ...72 Specifications ...74 Consumer information...77 Identification number records ...77 YAMAHA MOTOR CORPORATION, U.S.A. SNOWMOBILE LIMITED WARRANTY...78 YAMAHA EXTENDED SERVICE (Y.E.S.)...81 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 7
taking drugs. Your ability to operate the snowmobile is reduced by the influence of alcohol or drugs. Before operating 1. Read the Owner's Manual and all labels before operating this snowmobile. Become familiar with all of the operating controls and their function. Consult a Yamaha dealer about any - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 8
Safety information G G G Fill the fuel tank outdoors with extreme care. Never remove the fuel cap indoors. Never fill the fuel tank indoors. Never refuel while smoking or in the vicinity of an open flame. Make sure that the fuel tank cap is closed securely after refueling. Wipe up any spilled - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 9
. Always refer to the "STORAGE" section on page 72 if the snowmobile is to be stored for an extended period. Maintain or replace safety and instruction labels, as necessary. 2. 3. 4. 5. 6. 3 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 10
Safety information ESU10211 Location of the important labels Please read the following labels carefully before operating this snowmobile. NOTE: Maintain or replace safety and instruction labels, as necessary. 4 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 11
Safety information 5 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 12
Description ESU10260 1. Storage pouch 2. Tool kit 3. Coolant reservoir 4. Air filter 5. Battery 6. Main fuse 7. Oil filler cap 8. Fuse box 9. Strap (FX10MT / FX10MTR / FX10MTRA) 10. Tail/brake light 11. Slide rail suspension 12. Drive track 6 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 13
Description Brake lever Parking brake lever Grip/thumb warmer adjustment switch Headlight beam switch Engine stop switch Throttle lever Main switch Shift lever (FX10 / FX10RTR / FX10RTRA / FX10MTR / FX10MTRA) 9. Auxiliary DC jack (FX10MT / FX10MTR / FX10MTRA) 10. "RESET" button 11. "SELECT" button - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 14
Description NOTE: G G 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. 8 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 15
(T.O.R.S.) EWS00040 WARNING G If the T.O.R.S. is activated, make sure that the cause of the malfunction has been corrected and that the engine can be operated without a problem before restarting the engine. 9 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 16
Off Open T.O.R.S. will operate. 1. Throttle position sensor (throttle valve open position) 2. Throttle switch (on) Trouble Run Run Idling / starting 1. Throttle position sensor (throttle valve open position) 2. Throttle switch (off) NOTE: G 1. Throttle position sensor (throttle valve closed - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 17
Control functions The grip warmer level is initially displayed for 5 seconds, then the display switches to the fuel meter. 1. Warning light " " 2. Self-diagnosis warning indicator " 3. Two-digit code "84" ESU12720 " 1. Warning light " " 2. Low coolant temperature indicator light " " 3. Meter - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 18
Control functions and then push the "SELECT" button for at least 10 seconds while the snowmobile is stopped. Use the engine speed meter only when checking the snowmobile and performing basic maintenance. The engine speed meter should not be used while riding the snowmobile since the reading will - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 19
-diagnosis device of the snowmobile. The fuel level warning indicator, warning light, and all segments of the fuel meter warn the rider of the above problems by flashing continuously. 13 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 20
Control functions When this occurs, have a Yamaha dealer inspect the snowmobile as soon as possible. If the oil level warning indicator and the warning light do not go off, check the engine oil level in the oil tank (see page 48 for engine oil level checking procedures), and add engine oil if - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 21
WARNING If the self-diagnosis warning indicator and warning light flash continuously, and an error code is displayed during operation, there may be some problem with an electrical circuit, couplers, etc. Note the error code, and then have a Yamaha dealer inspect the snowmobile as soon as possible in - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 22
Control functions 1. Grip/thumb warmer adjustment switch To raise the temperature To raise the grip warmer temperature, press the " " side of the switch. To raise the thumb warmer temperature, press the " " side of the switch. To lower the temperature Continue to press the switch until the - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 23
does not project out over the handlebar end. This will help prevent brake lever damage when the snowmobile is placed on its side for service. The brake lever is equipped with a position adjuster. To adjust the brake lever position: 1. Loosen the locknut. 2. While lightly pushing the brake lever in - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 24
Control functions ESU13030 Shift lever (FX10 / FX10RTR / FX10RTRA / FX10MTR / FX10MTRA) The shift lever is used to put the snowmobile into forward or reverse. Before shifting, wait for the snowmobile to come to a complete stop with the engine idling. Pull the shift lever out, slide it to "FWD" or - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 25
G G Do not drive the snowmobile with the shroud or covers unfastened or removed. Keep your body and clothing away from rotating parts when servicing the snowmobile with the shroud or covers removed. Do not touch the hot muffler and engine during or immediately after operation. G Make sure that - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 26
Control functions 1. Swivel hook 2. Storage pouch bracket 1. Hook and loop fastener ESU10600 Fuel Make sure that there is sufficient fuel in the fuel tank. EWS00070 WARNING G G To install the storage pouch Place the storage pouch in the original position, and then hook the swivel hook onto the - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 27
Control functions G G Do not use alcohol deicers or water absorbing additives with oxygenated fuel. The fuel tank should be filled with straight gasoline as specified. ESU10870 Suspension The suspension can be adjusted to suit rider preference. A softer setting, for example, may provide greater - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 28
166.0 mm (6.54 in) * The spring seat length changes approximately 1.5 mm (0.06 in) with each full turn of the adjusting ring. ESU12550 WARNING Support the snowmobile securely on a suitable stand before adjusting the shock absorbers. ECS00710 CAUTION: Make sure that there is no load on the shock - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 29
Control functions 4. Install the hose connector of the shock absorber pump onto the air valve of the shock absorber and tighten it approximately six turns until the pressure registers on the pump gauge. 1. Hose connector ECS00720 CAUTION: Do not overtighten the connector onto the air valve as this - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 30
Control functions ECS00730 CAUTION: Do not exceed 1,034 kPa (10.3 kgf/cm², 150 psi). 7. Install the air valve cap. NOTE: If the front suspension bottoms too easily or rolls too much during cornering, increase the air pressure by 34 kPa (0.3 kgf/cm², 5 psi). If the suspension is too firm and you - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 31
Control functions ESU10930 Adjusting the rear suspension spring preload The spring preload can be adjusted by turning the spring preload adjusting ring on the center shock absorber and the spring preload adjuster on the rear shock absorber. FX10MT / FX10MTR / FX10MTRA 1. Spring preload adjusting - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 32
Control functions ESU12751 Adjusting the rear suspension damping force (FX10 / FX10RT / FX10RTR / FX10RTRA) FX10 The compression damping force can be adjusted by turning the adjusting screw. To increase the compression damping force, turn the adjusting screw in direction (a). To decrease the - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 33
Control functions To increase the rebound damping force, turn the adjusting dial in direction (a). To decrease the rebound damping force, turn the adjusting dial in direction (b). Rebound damping force setting (rear): Minimum (soft): 20 click(s) in direction (b)* Standard: 11 click(s) in direction - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 34
Control functions 3. Tighten the locknut while holding the control rod adjusting nut in place. Locknut tightening torque: 25 Nm (2.5 m·kgf, 18 ft·lb) ECS00800 CAUTION: The left and right adjusting nuts must be set to the same position. Uneven settings can cause poor handling and loss of stability. - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 35
Pre-operation checks ESU11070 The condition of a snowmobile is the owner's responsibility. Vital components can start to deteriorate quickly and unexpectedly, even if the snowmobile remains unused (for example, as a result of exposure to the elements). Any damage or fluid leakage could have serious - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 36
Pre-operation checks ITEM Tool kit and recommended equipment Shroud and covers Skis and ski runners Drive track Slide runners Steering Strap (FX10MT / FX10MTR / FX10MTRA) Lights, signals and switches Throttle lever Throttle override system (T.O.R.S.) CHECKS • Check for proper placement. • Make sure - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 37
Operation ESU11300 Starting the engine EWS00200 WARNING G G Be sure to check the "SAFETY INFORMATION" section carefully before starting the engine. Make sure that the parking brake is applied. 1. Start ECS00330 CAUTION: G G NOTE: Make sure that the engine stop switch is in the on position. - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 38
the oil filter cartridge replaced. If any engine trouble should occur during the engine break-in period, the snowmobile, read this Owner's Manual completely and understand the operation of difficult terrain. Set the parking brake and follow the instructions on page 31 to start the engine. Once the - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 39
Operation EWS00220 WARNING G G Many surfaces such as ice and hardpacked snow require much longer stopping distances. Be alert, plan ahead, and begin decelerating early. Improper use of the brake can cause the drive track to lose traction, reduce control, and increase the possibility of an - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 40
Operation snowmobile from the uphill side. Restart the engine, release the parking brake, and descend the hill. EWS00230 WARNING Side hills and steep slopes are not recommended for a novice snowmobiler. uphill side. A recommended riding position is to kneel with the knee of your downhill leg on - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 41
Operation Hard-packed snow It can be more difficult to negotiate on hardpacked snow as both the skis and drive track do not have as much traction as when the snowmobile is operated on fresh snow. Avoid rapid acceleration, turning, and braking. G G Always check the drive track for damage or - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 42
Operation etc. If snow coverage is not sufficient, stay on trails to avoid impact damage to the drive track. (side-hill) riding. Only experienced operators should traverse slopes steep enough to require strap use. Keep the right hand on the right handlebar grip for steering, and grip the strap with - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 43
Operation 2. 3. 4. 5. Press the throttle lever slowly to move the snowmobile. Turn the handlebar in the desired direction. Squeeze the brake lever to stop the snowmobile. Apply the parking brake by moving the parking brake lever to the left. 1. Pull out. 2. Slide to "REV" (reverse). 3. Push in. - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 44
Operation 6. Apply the parking brake by moving the parking brake lever to the left. G ESU11410 Stopping the engine Turn the main switch to the off position to stop the engine. G If transporting the snowmobile in an open trailer or truck, put a tight fitting cover on the snowmobile. A cover - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 45
dealer do it for you. PROPER PERIODIC MAINTENANCE OF YOUR SNOWMOBILE IS IMPORTANT IN ORDER TO ENJOY LONG, PLEASURABLE SERVICE. ESPECIALLY IMPORTANT ARE THE MAINTENANCE SERVICES RELATED TO EMISSION CONTROL. THESE CONTROLS NOT ONLY FUNCTION TO ENSURE CLEANER AIR, BUT ARE ALSO VITAL TO PROPER ENGINE - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 46
Periodic maintenance INITIAL ITEM REMARKS 1 month or 800 km (500 mi) (40 hr) EVERY Seasonally or 4000 km (2500 mi) (200 hr) PAGE * Exhaust system • Check for leakage. • Tighten or replace gasket if necessary. - * It is recommended that these items be serviced by a Yamaha dealer. 40 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 47
Periodic maintenance ESU11560 General maintenance and lubrication chart INITIAL ITEM REMARKS 1 month or 800 km (500 mi) (40 hr) EVERY Seasonally or 4000 km (2500 mi) (200 hr) PAGE Engine oil * Engine oil filter cartridge Cooling system • Change (warm engine before draining) • Replace. • Check - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 48
and front suspension Suspension component Fittings and fasteners - * * 64 64 66 * Battery 66 * It is recommended that these items be serviced by a Yamaha dealer. NOTE: Brake system: G After disassembling the master cylinder or caliper cylinder, always change the brake fluid. Regularly check - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 49
engine, make sure that the storage pouch zipper is closed completely. 1. Shroud NOTE: If you do not have a torque wrench available during a service operation requiring one, take your snowmobile to a Yamaha dealer to check the torque settings and adjust them if necessary. ESU12780 To install the - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 50
cover. G G Keep your body and clothing away from rotating parts when servicing the snowmobile with the shroud or covers removed. Do not touch the hot an intake track air leak or carburetion problem for that cylinder. Do not attempt to diagnose such problems yourself. Instead, take the snowmobile to - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 51
Periodic maintenance Specified spark plug: Manufacturer: NGK Model: CR9E Spark plugs are produced in several different thread lengths. The thread length or reach is the distance from the spark plug gasket seat to the end of the threaded portion. If the reach is too long, overheating and engine - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 52
Periodic maintenance EWS00351 WARNING When checking the T.O.R.S.: G Make sure that the parking brake is applied. G Make sure that the throttle lever moves smoothly. G Do not rev the engine to the point that the clutch engages, otherwise the snowmobile could start moving, which could cause an - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 53
Periodic maintenance 2. Remove the headlight unit stay quick fasteners and disconnect the air temperature sensor coupler. 5. 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 install - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 54
Periodic maintenance ESU11930 ESU12810 High-altitude settings Operating at high altitude reduces the performance of a gasoline engine about 3% for every 305 m (1000 ft) of elevation. This is because there is less air as altitude increases. Less air means less oxygen available for combustion. Your - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 55
Periodic maintenance 2. Start the engine, warm it up for 10-15 minutes, and then turn it off. The engine can also be warmed up by operating the snowmobile for 10-15 minutes. After operating the snowmobile, allow the engine to idle for at least 10 seconds before turning it off. Remove the shroud and - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 56
Periodic maintenance 7. Insert the dipstick into the oil filler hole, and then tighten the oil filler cap. 8. Connect the oil level gauge coupler. 9. Install the right side cover and the shroud. To change the engine oil (with or without oil filter cartridge replacement) 1. Place the snowmobile on a - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 57
Periodic maintenance 1. Engine oil drain bolt (oil tank) 1. Oil filter cartridge 8. 9. Place an oil pan under the engine to collect the used oil. Remove the engine oil drain bolt to drain the oil from the crankcase. NOTE: An oil filter wrench is available at a Yamaha dealer. 11. Apply a thin - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 58
Periodic maintenance Recommended engine oil: See page 74. Oil quantity: With oil filter cartridge replacement: 3.2 L (3.38 US qt) (2.82 Imp.qt) Without oil filter cartridge replacement: 3.0 L (3.17 US qt) (2.64 Imp.qt) Total amount: 3.9 L (4.12 US qt) (3.43 Imp.qt) 15. Start the engine, warm it up - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 59
Periodic maintenance Bleeding the cooling system The cooling system must be bled of air if the coolant reservoir becomes empty, if air can be seen in the cooling system, or if there is a cooling system leak. Consult a Yamaha dealer. ECS00500 CAUTION: Operating the engine with an improperly bled - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 60
Periodic maintenance ESU12060 V-belt EWS00400 WARNING G G Make sure that the drive guard is tightened securely before operating the snowmobile. Never run the engine with the V-belt or drive guard removed. 1. "FULL" mark Recommended antifreeze: High-quality ethylene glycol antifreeze containing - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 61
Periodic maintenance G G When installing the new V-belt, make sure that it is positioned properly. Otherwise, the V-belt clutch engagement speed will be changed and the snowmobile may move unexpectedly when the engine is started, which could cause an accident. Have a Yamaha dealer make this - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 62
Periodic maintenance 5. Temporarily install the new V-belt on the secondary sheave assembly only, and then measure the V-belt position. Do not force the V-belt between the sheaves; the secondary sliding and fixed sheaves must touch each other. 1. V-belt position adjusting bolt 2. Spacer V-belt - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 63
Periodic maintenance 9. Rotate the secondary sliding sheave clockwise and push it so that it separates from the secondary fixed sheave. 2. Remove the shroud and the right side cover. (See page 43 for removal procedures.) Remove the dipstick, wipe it off with a clean rag, and then screw it back into - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 64
failure in the brake system. Do not operate the snowmobile if you find any problems in the brake system. You could lose braking ability, which could lead to prevent brake lever damage when the snowmobile is placed on its side for service. Test the brake at a low speed when starting out to make sure - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 65
Periodic maintenance Brake pad wear limit: 4.7 mm (0.19 in) Checking the parking brake pads Check the parking brake pads for wear by measuring the thickness of the pads. If the parking brake pads reach the wear limit, ask a Yamaha dealer to replace them. 1. 2. 3. 4. 5. Parking brake pad locknut - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 66
Periodic maintenance Checking the brake fluid level EWS00460 G WARNING Be careful that water does not enter the master cylinder when refilling. Water will significantly lower the boiling point of the fluid and may result in vapor lock. If the brake fluid level goes down, consult a Yamaha dealer. - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 67
to allow the drive track to spin, a suitable stand must be used to support the rear of the snowmobile. Never allow anyone to hold the rear of the is damaged to the depth where fabric reinforcement material is visible or support rods are broken. Otherwise, track damage or failure could result in - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 68
, adjust the drive track. Adjusting the drive track EWS00500 WARNING G G G 1. Spring scale Be sure to have a Yamaha dealer make this adjustment. Support the snowmobile securely on a suitable stand before working underneath the snowmobile. Operate the engine in a well-ventilated area. 62 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 69
Periodic maintenance 1. Lift the rear of the snowmobile onto a suitable stand to raise the drive track off the ground. Loosen the rear axle nut. 2. 1. Left adjusting nut 2. Right adjusting nut Shifted to right 1. Rear axle nut 3. 4. Start the engine and rotate the drive track one or two turns. - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 70
Periodic maintenance 5. Adjust the drive track deflection to specification. Drive track deflection Left adjusting nut Right adjusting nut ECS00591 ECS00350 CAUTION: Ride on fresh snow frequently. Operating on ice or hard-packed snow will rapidly wear the slide runners. ESU12180 More than specified - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 71
Periodic maintenance EWS00510 WARNING G G Apply a dab of grease onto the cable end only. Do not grease the throttle cable because it could become frozen, which could cause loss of control. Be sure to have a Yamaha dealer lubricate the front and rear suspensions. Lubricant: Low-temperature grease - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 72
Periodic maintenance ESU12861 Adjusting the headlight beams 1. 2. Remove the shroud. (See page 43 for removal procedures.) Turn the headlight beam adjusting screw in or out to adjust the headlight beams. To lower the headlight beams, turn the headlight beam adjusting screw in direction (a). To - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 73
Periodic maintenance EWS00540 WARNING Battery electrolyte is poisonous and dangerous. It contains sulfuric acid and can cause severe burns. Avoid contact with skin, eyes, or clothing. ANTIDOTE: G EXTERNAL: Flush with water. G INTERNAL: Drink large quantities of water or milk. Follow with milk of - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 74
Periodic maintenance Specified fuses: Main fuse: 40.0 A Fuel injection system fuse: 10.0 A "HEAD" (headlight) fuse: 20.0 A "SIG" (signal) fuse: 3.0 A "DC TERM" (auxiliary DC jack) fuse: FX10MT 3.0 A FX10MTR 3.0 A FX10MTRA 3.0 A "IGN" (ignition) fuse: 20.0 A "FAN" (radiator fan motor) fuse: 10.0 A - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 75
Troubleshooting ESU12882 G Engine turns over but does not start 1. Fuel system No fuel supplied to combustion chamber G No fuel in tank: Supply fuel. G Clogged fuel line: - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 76
Troubleshooting 6. Connect the other end of the black (-) jumper cable to the negative (-) terminal of the discharged battery. 4. Seized engine: Seizure is caused by poor lubrication, - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 77
Troubleshooting 3. Loose or broken engine mount(s): Ask a Yamaha dealer to inspect. Oily or dirty V-belt or primary and secondary sheave assembly surfaces: Clean. Problem with the driveline: See "V-belt twists" above. V-belt slips or becomes extremely hot 1. 2. Engine does not upshift or downshift - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 78
Storage ESU12430 ECS00680 CAUTION: Long-term storage requires some preventive procedures to guard against deterioration. Do not attempt to store the snowmobile by simply starting the engine occasionally during the storage period. This can cause more harm than good! Moisture and acids form during - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 79
a plastic or vinyl cover-condensation could be trapped underneath which could increase the chances of rusting. Returning to service after storage When returning your snowmobile to service, install the V-belt and battery and adjust the drive track. Remove the spark plugs and clean or replace them - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 80
980 mm (38.6 in) FX10RT 1050 mm (41.3 in) FX10RTR 1050 mm (41.3 in) FX10RTRA 1050 mm (41.3 in) Engine oil: Recommended grade: API service SG type or higher, JASO standard MA Type: SAE 0W-30 Fuel injection: Model × quantity: 41EIDW × 2 Manufacturer: MIKUNI Fuel: Type: REGULAR UNLEADED GASOLINE ONLY - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 81
Specifications Number of teeth: FX10 9 FX10MT 7 FX10MTR 7 FX10MTRA 7 FX10RT 9 FX10RTR 9 FX10RTRA 9 Transmission: Clutch type: Automatic centrifugal engagement Ratio range: 3.80-1.00 :1 Sheave distance: 267.0-270.0 mm (10.51-10.63 in) Sheave offset: 13.5-16.5 mm (0.53-0.65 in) Engagement speed ( - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 82
Specifications Warning light: LED Low coolant temperature indicator light: LED 76 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 83
Consumer information ESU12480 Identification number records 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 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 84
and maintain the snowmobile as specified in the appropriate Owner's Manual. WARRANTY TRANSFER: To transfer any remaining warranty from the original . An inspection and registration fee will be charged for this service. EMISSION CONTROL SYSTEM WARRANTY Yamaha Motor Corporation, USA also warrants - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 85
of having the dealer do them? A. Yes, if you are a qualified snowmobile mechanic and follow the procedures specified in the Owner's and Service Manual. We do recommend, however, that items requiring special tools or equipment be done by a Yamaha snowmobile dealer. Q. Under what conditions is the - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 86
machine requires warranty service, you must take it to any authorized Yamaha snowmobile dealer within the continental United States. Be sure to bring your warranty identification card or other valid proof of the original date of purchase. If a question or problem arises regarding warranty, first - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 87
Consumer information ESU12510 YAMAHA EXTENDED SERVICE (Y.E.S.) 81 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 88
Index A Air filter, checking...46 Auxiliary DC jack (FX10MT / FX10MTR / FX10MTRA) ...16 B Battery...66 Brake and parking brake ...58 Brake lever ...16 Break-in...31 C Control rods, adjusting (FX10MT / FX10MTR / FX10MTRA) ...27 Coolant temperature warning indicator ...14 Cooling system...52 D Drive - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 89
/ FX10MTRA) ...36 Suspension ...21 T Throttle cable free play, adjusting ...45 Throttle lever ...9 Throttle override system (T.O.R.S.) ...9 Throttle override system (T.O.R.S.), checking...45 Tool kit...43 Transporting ...38 Troubleshooting ...69 V Valve clearance...48 V-belt...54 - 2008 Yamaha Motorsports FX Nytro RTX | Owners Manual - Page 90
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YAMAHA MOTOR CO., LTD. PRINTED IN JAPAN 2007.05-2.9×1 CR PRINTED ON RECYCLED PAPER
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OWNER’S MANUAL
FX10X
FX10RTX
FX10RTRX
FX10RTRAX
FX10MTX
FX10MTRX
FX10MTRAX
8GL-28199-10
LIT-12628-02-69