Owners Manual
Page 6
...11 Storage compartment ...5-11 PRE-OPERATION CHECKS ...6-1 Fuel ...6-1 Engine oil...6-2 Engine oil level ...6-3 Coolant ...6-4 Throttle lever ...6-5 Throttle override system (T.O.R.S.) ...6-5 Brake ...6-6 Brake fluid leakage ...6-7 V-belt ...6-7 Drive guard ...6-7 Drive track ...6-8 51-mm (2.0-in) high-profile pattern drive track...6-8 Slide runners ...6-9 Skis and ski runners ...6-9 Steering system...6-10 Lights ...6-10 Air filter ...6-10 Fittings and fasteners ...6-11 Tool kit and recommended equipment...6-11 OPERATION ...7-1 Starting the engine ...7-1 Break-in ...7-2 Riding your snowmobile...
...11 Storage compartment ...5-11 PRE-OPERATION CHECKS ...6-1 Fuel ...6-1 Engine oil...6-2 Engine oil level ...6-3 Coolant ...6-4 Throttle lever ...6-5 Throttle override system (T.O.R.S.) ...6-5 Brake ...6-6 Brake fluid leakage ...6-7 V-belt ...6-7 Drive guard ...6-7 Drive track ...6-8 51-mm (2.0-in) high-profile pattern drive track...6-8 Slide runners ...6-9 Skis and ski runners ...6-9 Steering system...6-10 Lights ...6-10 Air filter ...6-10 Fittings and fasteners ...6-11 Tool kit and recommended equipment...6-11 OPERATION ...7-1 Starting the engine ...7-1 Break-in ...7-2 Riding your snowmobile...
Owners Manual
Page 7
... Changing the engine oil...8-10 Cooling system ...8-13 V-belt replacement ...8-15 Checking the drive chain housing oil level and the drive chain tension ...8-17 Checking the brake pads...8-19 Checking the parking brake pads...8-19 Checking the brake fluid level...8-20 Brake fluid replacement...8-20 Suspension...8-20 Drive track adjustment...8-29 Ski alignment ...8-31 Handlebar adjustment ...8-31 Lubrication ...8-34 Headlight bulb replacement...8-35 Headlight beam adjustment...8-35 Battery ...8-36 Fuse replacement...8-36 TROUBLESHOOTING ...9-1 STORAGE ...10-1 SPECIFICATIONS ...11-1 Dimensions...
... Changing the engine oil...8-10 Cooling system ...8-13 V-belt replacement ...8-15 Checking the drive chain housing oil level and the drive chain tension ...8-17 Checking the brake pads...8-19 Checking the parking brake pads...8-19 Checking the brake fluid level...8-20 Brake fluid replacement...8-20 Suspension...8-20 Drive track adjustment...8-29 Ski alignment ...8-31 Handlebar adjustment ...8-31 Lubrication ...8-34 Headlight bulb replacement...8-35 Headlight beam adjustment...8-35 Battery ...8-36 Fuse replacement...8-36 TROUBLESHOOTING ...9-1 STORAGE ...10-1 SPECIFICATIONS ...11-1 Dimensions...
Owners Manual
Page 15
Passengers are prohibited. Carrying a passenger can cause loss of the operating controls and their function. For safety and proper care of the snowmobile, always perform the pre-operation checks on public streets, roads, or highways. Apply the parking brake before starting the engine. This may result if you ignore any control or function you do not understand. 2. ESU00008 3- Consult a Yamaha dealer about any...
Passengers are prohibited. Carrying a passenger can cause loss of the operating controls and their function. For safety and proper care of the snowmobile, always perform the pre-operation checks on public streets, roads, or highways. Apply the parking brake before starting the engine. This may result if you ignore any control or function you do not understand. 2. ESU00008 3- Consult a Yamaha dealer about any...
Owners Manual
Page 17
... mixed in the fuel tank inside a building where ignition sources are present such as hot water and space heaters, an open flame, sparks, clothes dryers, and the like. Modifications may leak out from the fuel breather hose. 2. Avoid operating on glare ice, or on its left side for an extended period. 5. Many surfaces such as necessary. 3-3 Maintain or replace safety and instruction...
... mixed in the fuel tank inside a building where ignition sources are present such as hot water and space heaters, an open flame, sparks, clothes dryers, and the like. Modifications may leak out from the fuel breather hose. 2. Avoid operating on glare ice, or on its left side for an extended period. 5. Many surfaces such as necessary. 3-3 Maintain or replace safety and instruction...
Owners Manual
Page 19
...O P Q R S T U V W X Y Z [ \ Tail/brake lights Snow flap Brake lever Parking brake lever Grip warmer adjustment switch Headlight beam switch Strap (RS90M) Engine stop switch Thumb warmer adjustment switch Throttle lever Shift lever (RS90R/RSG90) Shroud latch Main switch Starter lever Tachometer Low coolant temperature indicator light High beam indicator light Warning light Self-diagnosis warning indicator Coolant temperature warning indicator Fuel level warning indicator Oil level warning indicator Speedometer Grip warmer indicator Select/reset button Thumb warmer indicator Fuel meter and grip...
...O P Q R S T U V W X Y Z [ \ Tail/brake lights Snow flap Brake lever Parking brake lever Grip warmer adjustment switch Headlight beam switch Strap (RS90M) Engine stop switch Thumb warmer adjustment switch Throttle lever Shift lever (RS90R/RSG90) Shroud latch Main switch Starter lever Tachometer Low coolant temperature indicator light High beam indicator light Warning light Self-diagnosis warning indicator Coolant temperature warning indicator Fuel level warning indicator Oil level warning indicator Speedometer Grip warmer indicator Select/reset button Thumb warmer indicator Fuel meter and grip...
Owners Manual
Page 21
Regulate the speed of the drive system. WARNING @ Check the throttle, brake, and steering for proper operation before starting a cold engine. Warming up a cold engine. 1 2 3 4 Starter lever (choke) When starting the engine. @ ESU00361 Engine overheating prevention system This model is equipped with an engine overheating prevention system to prevent overheating. ESU00201 Starter lever (choke) Use the starter lever (choke) when starting and warming up When the engine is idling. NOTE: The engine can be started after it is running cleanly...
Regulate the speed of the drive system. WARNING @ Check the throttle, brake, and steering for proper operation before starting a cold engine. Warming up a cold engine. 1 2 3 4 Starter lever (choke) When starting the engine. @ ESU00361 Engine overheating prevention system This model is equipped with an engine overheating prevention system to prevent overheating. ESU00201 Starter lever (choke) Use the starter lever (choke) when starting and warming up When the engine is idling. NOTE: The engine can be started after it is running cleanly...
Owners Manual
Page 22
... designed to interrupt the ignition and keep the engine speed between 2,800 and 3,000 r/min if the carburetor fails to return to use the specified spark plug and spark plug cap. Otherwise, the T.O.R.S. The T.O.R.S. is released. Mode A B Running On Open Run C Trouble Off Open T.O.R.S. is released. Be sure to idle when the lever is activated, the warning light 4 and self-diagnosis warning indicator 5 will flash and...
... designed to interrupt the ignition and keep the engine speed between 2,800 and 3,000 r/min if the carburetor fails to return to use the specified spark plug and spark plug cap. Otherwise, the T.O.R.S. The T.O.R.S. is released. Mode A B Running On Open Run C Trouble Off Open T.O.R.S. is released. Be sure to idle when the lever is activated, the warning light 4 and self-diagnosis warning indicator 5 will flash and...
Owners Manual
Page 24
... the thumb warmer adjustment switch 2 control the electrically heated handlebar grips and throttle lever respectively. NOTE: @ G G G G G The grip warmer indicator 3 comes on a level surface to the grip warmer level when the grip warmer adjustment switch is started, the grip/thumb warmer levels are set to "LO". When this occurs, the fuel level warning indicator 2 and the warning light 3 come on . NOTE...
... the thumb warmer adjustment switch 2 control the electrically heated handlebar grips and throttle lever respectively. NOTE: @ G G G G G The grip warmer indicator 3 comes on a level surface to the grip warmer level when the grip warmer adjustment switch is started, the grip/thumb warmer levels are set to "LO". When this occurs, the fuel level warning indicator 2 and the warning light 3 come on . NOTE...
Owners Manual
Page 26
... some problem with a self-diagnostic system for various electrical circuits. ESU04180 Coolant temperature warning indicator If the engine overheats, the coolant temperature warning indicator 1 and the warning light 2 come on. If any of those circuits are connected properly. If the self-diagnosis warning indicator, warning light, and an error code flash after the engine has been restarted, note the error code, and then have a Yamaha dealer...
... some problem with a self-diagnostic system for various electrical circuits. ESU04180 Coolant temperature warning indicator If the engine overheats, the coolant temperature warning indicator 1 and the warning light 2 come on. If any of those circuits are connected properly. If the self-diagnosis warning indicator, warning light, and an error code flash after the engine has been restarted, note the error code, and then have a Yamaha dealer...
Owners Manual
Page 42
...: @ Make sure that the parking brake is warm. Fully open the starter lever (choke). 1 2 3 4 Starter lever (choke) Fully open (cold engine starting) Half-open position. Turn the main switch to start, release the switch, wait a few seconds, then try again. Warm up ) Closed (warm engine starting the engine. Make sure that the engine stop switch is returned to preserve the battery. OPERATION ESU00366 Starting the engine WARNING @ G G @ Be sure to stall...
...: @ Make sure that the parking brake is warm. Fully open the starter lever (choke). 1 2 3 4 Starter lever (choke) Fully open (cold engine starting) Half-open position. Turn the main switch to start, release the switch, wait a few seconds, then try again. Warm up ) Closed (warm engine starting the engine. Make sure that the engine stop switch is returned to preserve the battery. OPERATION ESU00366 Starting the engine WARNING @ G G @ Be sure to stall...
Owners Manual
Page 44
..., it is essential to familiarize yourself with the snowmobile's handling and performance characteristics. To start the engine. With the engine idling, release the parking brake. 2. Always wear the proper clothing for both hands on your snowmobile. Be alert, plan ahead, and begin riding your new snowmobile can cause the drive track to learn the basic techniques well before attempting more...
..., it is essential to familiarize yourself with the snowmobile's handling and performance characteristics. To start the engine. With the engine idling, release the parking brake. 2. Always wear the proper clothing for both hands on your snowmobile. Be alert, plan ahead, and begin riding your new snowmobile can cause the drive track to learn the basic techniques well before attempting more...
Owners Manual
Page 45
..., do so, put your weight on the throttle or steer to the outside of the turn to prevent track slippage. Stop the engine and set the parking brake. Restart the engine, release the parking brake, and descend the hill. WARNING @ Side hills and steep slopes are unable to turn . You should be on the uphill side at low speeds many times, in the desired direction...
..., do so, put your weight on the throttle or steer to the outside of the turn to prevent track slippage. Stop the engine and set the parking brake. Restart the engine, release the parking brake, and descend the hill. WARNING @ Side hills and steep slopes are unable to turn . You should be on the uphill side at low speeds many times, in the desired direction...
Owners Manual
Page 46
... clutch engaged while descending the hill. Avoid accelerating, turning, and braking rapidly. If this happens, steer in the direction of your uphill leg on snow. Snow and ice are no obstacles in the direction you to properly position your weight to shift your 7-5 Traversing a slope WARNING @ WARNING @ When you travel . If your snowmobile starts to lock, causing a loss of your body weight...
... clutch engaged while descending the hill. Avoid accelerating, turning, and braking rapidly. If this happens, steer in the direction of your uphill leg on snow. Snow and ice are no obstacles in the direction you to properly position your weight to shift your 7-5 Traversing a slope WARNING @ WARNING @ When you travel . If your snowmobile starts to lock, causing a loss of your body weight...
Owners Manual
Page 53
...12,000 mi) 6-1-6-2 Engine coolant 6-4, 8-13-8-14 8-13 5-2, 6-5 ∗ Air bleed the cooling system if necessary. PERIODIC MAINTENANCE ESU00140 Periodic maintenance chart Regular maintenance is cold. Replace. Check coolant level. Tighten or replace gasket if necessary. ESU00139 8- Replace if necessary. 8-4-8-5 ∗ Valve clearance Engine oil Engine oil filter cartridge Fuel ∗ Fuel filter ∗ Fuel line Check clearance. Replace if necessary. Check operation. ∗ Repair if necessary. Check fuel level. Check operation. ∗ Repair if necessary. Check...
...12,000 mi) 6-1-6-2 Engine coolant 6-4, 8-13-8-14 8-13 5-2, 6-5 ∗ Air bleed the cooling system if necessary. PERIODIC MAINTENANCE ESU00140 Periodic maintenance chart Regular maintenance is cold. Replace. Check coolant level. Tighten or replace gasket if necessary. ESU00139 8- Replace if necessary. 8-4-8-5 ∗ Valve clearance Engine oil Engine oil filter cartridge Fuel ∗ Fuel filter ∗ Fuel line Check clearance. Replace if necessary. Check operation. ∗ Repair if necessary. Check fuel level. Check operation. ∗ Repair if necessary. Check...
Owners Manual
Page 54
...-8-17 6-8, 8-29-8-31 6-8 5-8-5-9, 6-6-6-7, 8-19-8-20 Brake and parking brake 8-20 ∗ Disc brake installation Drive chain oil Drive chain Skis and ski runners Steering system Strap (RS90M) 8-17-8-18 8-18 6-9 6-9 Lights ∗ Battery 6-9, 8-35 8-36 ∗ It is recommended that these items be serviced by a Yamaha dealer. 8-2 Check for wear and damage. ∗ Replace if necessary. Check operation and fluid leakage. ∗ Adjust free play . Check...
...-8-17 6-8, 8-29-8-31 6-8 5-8-5-9, 6-6-6-7, 8-19-8-20 Brake and parking brake 8-20 ∗ Disc brake installation Drive chain oil Drive chain Skis and ski runners Steering system Strap (RS90M) 8-17-8-18 8-18 6-9 6-9 Lights ∗ Battery 6-9, 8-35 8-36 ∗ It is recommended that these items be serviced by a Yamaha dealer. 8-2 Check for wear and damage. ∗ Replace if necessary. Check operation and fluid leakage. ∗ Adjust free play . Check...
Owners Manual
Page 55
... that the shroud latches are hooked. When disassembling the master cylinder or caliper cylinder, replace the brake fluid. ary clutches Inspect ramp shoes/bushings for wear-for proper placement. Lubricate with specified grease. ∗ Steering column bearing ∗ Ski and front suspension ∗ Suspension component ∗ Parking brake cable end and lever end/ throttle cable end Shroud latches Fittings and fasteners Tool kit and recommended equipment...
... that the shroud latches are hooked. When disassembling the master cylinder or caliper cylinder, replace the brake fluid. ary clutches Inspect ramp shoes/bushings for wear-for proper placement. Lubricate with specified grease. ∗ Steering column bearing ∗ Ski and front suspension ∗ Suspension component ∗ Parking brake cable end and lever end/ throttle cable end Shroud latches Fittings and fasteners Tool kit and recommended equipment...
Owners Manual
Page 90
Specified fuses: 9Main fuse: 0"HEAD" (Headlight) fuse: A"SIG" (Signal) fuse: B"DC TERM" (Auxiliary DC jack) fuse: C"C/W" (Carburetor warmer) fuse: D"IGN" (Ignition) fuse: E Spare fuses (20 A, 10 A, 15 A, 3 A) F Spare main fuse 30 A 20 A 10 A 3A 20 A 15 A 8-38
Specified fuses: 9Main fuse: 0"HEAD" (Headlight) fuse: A"SIG" (Signal) fuse: B"DC TERM" (Auxiliary DC jack) fuse: C"C/W" (Carburetor warmer) fuse: D"IGN" (Ignition) fuse: E Spare fuses (20 A, 10 A, 15 A, 3 A) F Spare main fuse 30 A 20 A 10 A 3A 20 A 15 A 8-38
Owners Manual
Page 91
TROUBLESHOOTING A. Fuel system No fuel supplied to the rubber engine mounting, the snowmobile frame is an important safety device; Electrical system Poor or no spark G Spark plugs are wet ...Remove carbon or wipe the spark plugs dry; system malfunction ...Disconnect the throttle switch connectors and connect the wire harness connectors together to "OFF". @ 9-1 Due to combustion chamber G No fuel in the case of the snowmobile. Apply the parking brake and...
TROUBLESHOOTING A. Fuel system No fuel supplied to the rubber engine mounting, the snowmobile frame is an important safety device; Electrical system Poor or no spark G Spark plugs are wet ...Remove carbon or wipe the spark plugs dry; system malfunction ...Disconnect the throttle switch connectors and connect the wire harness connectors together to "OFF". @ 9-1 Due to combustion chamber G No fuel in the case of the snowmobile. Apply the parking brake and...
Owners Manual
Page 93
... seated securely in ...Pull it out. 2. Discharged battery...Charge battery or see B above . 5. Problem with the ignition off to inspect. "Hydrostatic lock" occurs when fuel has filled the cylinders when the vehicle has been transported...Remove the spark plugs and turn the engine over the terminals completely. Engine power is flashing ...Warm the engine up. 2. Incorrect V-belt clutch settings for altitude or temperature ...Carburetor. Clogged fuel system ...See A.1. above . 3. Electric starter...
... seated securely in ...Pull it out. 2. Discharged battery...Charge battery or see B above . 5. Problem with the ignition off to inspect. "Hydrostatic lock" occurs when fuel has filled the cylinders when the vehicle has been transported...Remove the spark plugs and turn the engine over the terminals completely. Engine power is flashing ...Warm the engine up. 2. Incorrect V-belt clutch settings for altitude or temperature ...Carburetor. Clogged fuel system ...See A.1. above . 3. Electric starter...
Owners Manual
Page 101
... Y/B ...Yellow/Black Y/L...Yellow/Blue Y/R ...Yellow/Red Y/W ...Yellow/White Crankshaft position sensor AC magneto Rectifier/regulator Main switch Load control relay Main fuse Starter relay Starter motor Battery Engine stop switch Throttle switch Carburetor warmer relay Carburetor ground Carburetor warmer Grip warmer Thumb warmer CDI unit Ignition coil Spark plug Throttle position sensor Thermo unit Grip warmer adjustment switch Thumb warmer adjustment switch Frame ground DC back buzzer (RS90R/RSG90) Gear position switch (RS90R/RSG90) Q Brake light switch R Tail/brake light S Speed sensor
... Y/B ...Yellow/Black Y/L...Yellow/Blue Y/R ...Yellow/Red Y/W ...Yellow/White Crankshaft position sensor AC magneto Rectifier/regulator Main switch Load control relay Main fuse Starter relay Starter motor Battery Engine stop switch Throttle switch Carburetor warmer relay Carburetor ground Carburetor warmer Grip warmer Thumb warmer CDI unit Ignition coil Spark plug Throttle position sensor Thermo unit Grip warmer adjustment switch Thumb warmer adjustment switch Frame ground DC back buzzer (RS90R/RSG90) Gear position switch (RS90R/RSG90) Q Brake light switch R Tail/brake light S Speed sensor