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
...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...11-1 Engine ...11-1 Chassis...11-2 Electric...11-3 WIRING DIAGRAM ...12-1
...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...11-1 Engine ...11-1 Chassis...11-2 Electric...11-3 WIRING DIAGRAM ...12-1
Owners Manual
Page 15
Read the Owner's Manual and all of control. 4. Your ability to carry the OPERATOR ONLY. ESU00008 3- Before operating 1. This snowmobile is released. 6. Make sure that the throttle lever moves freely...perform the pre-operation checks on public streets, roads, or highways. Such use the following . Never drive the snowmobile with all labels before starting the engine. This snowmobile was not manufactured for proper operation every time before starting the engine. Carrying a passenger can cause loss of the operating controls and their function. For safety...
Read the Owner's Manual and all of control. 4. Your ability to carry the OPERATOR ONLY. ESU00008 3- Before operating 1. This snowmobile is released. 6. Make sure that the throttle lever moves freely...perform the pre-operation checks on public streets, roads, or highways. Such use the following . Never drive the snowmobile with all labels before starting the engine. This snowmobile was not manufactured for proper operation every time before starting the engine. Carrying a passenger can cause loss of the operating controls and their function. For safety...
Owners Manual
Page 17
... 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. Be alert, plan ahead and begin decelerating early. Allow the engine to use. 3. You may need help if you run out of control and may damage the snowmobile. 4. The best braking method on...
... 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. Be alert, plan ahead and begin decelerating early. Allow the engine to use. 3. You may need help if you run out of control and may damage the snowmobile. 4. The best braking method on...
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
... operation before starting the engine. @ ESU00361 Engine overheating prevention system This model is equipped with an engine overheating prevention system to prevent overheating when the engine is idling. WARNING @ Check the throttle, brake, and steering for at least 3 minutes and the coolant temperature has risen above 100 °C (212 °F), the engine automatically shuts off to idle when it shuts off. 5-2 Warming up a cold engine. 1 2 3 4 Starter lever (choke) When starting a cold engine. ESU00201 Starter lever...
... operation before starting the engine. @ ESU00361 Engine overheating prevention system This model is equipped with an engine overheating prevention system to prevent overheating when the engine is idling. WARNING @ Check the throttle, brake, and steering for at least 3 minutes and the coolant temperature has risen above 100 °C (212 °F), the engine automatically shuts off to idle when it shuts off. 5-2 Warming up a cold engine. 1 2 3 4 Starter lever (choke) When starting a cold engine. ESU00201 Starter lever...
Owners Manual
Page 22
... operate CA-19E B Item Throttle switch Throttle position sensor Engine È É Ê 1 2 3 a b c d @ Idling/ starting Off Closed Run C Idling/starting Running Trouble Throttle position sensor (throttle valve position) Throttle switch Throttle cable On Off Open Closed NOTE: When the T.O.R.S. is 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. is activated, make sure that...
... operate CA-19E B Item Throttle switch Throttle position sensor Engine È É Ê 1 2 3 a b c d @ Idling/ starting Off Closed Run C Idling/starting Running Trouble Throttle position sensor (throttle valve position) Throttle switch Throttle cable On Off Open Closed NOTE: When the T.O.R.S. is 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. is activated, make sure that...
Owners Manual
Page 24
... the thumb warmer adjustment switch 2 control the electrically heated handlebar grips and throttle lever respectively. The fuel meter reading changes as the snowmobile moves and depending on . The grip/thumb warmer level is pressed. To lower the temperature, press each switch to obtain an accurate fuel meter reading. When this occurs, the fuel level warning indicator 2 and the warning light 3 come on and the...
... the thumb warmer adjustment switch 2 control the electrically heated handlebar grips and throttle lever respectively. The fuel meter reading changes as the snowmobile moves and depending on . The grip/thumb warmer level is pressed. To lower the temperature, press each switch to obtain an accurate fuel meter reading. When this occurs, the fuel level warning indicator 2 and the warning light 3 come on and the...
Owners Manual
Page 26
... the electrical circuit, lead couplers, etc. 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 inspect the snowmobile as soon as possible. @ 5-7 ESU04180 Coolant temperature warning indicator If the engine overheats, the coolant temperature warning indicator 1 and the warning light 2 come on. Then, check that the wire harness...
... the electrical circuit, lead couplers, etc. 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 inspect the snowmobile as soon as possible. @ 5-7 ESU04180 Coolant temperature warning indicator If the engine overheats, the coolant temperature warning indicator 1 and the warning light 2 come on. Then, check that the wire harness...
Owners Manual
Page 42
... the parking brake is applied. Do not crank the engine more than 10 seconds on position. Fully open the starter lever (choke). 1 2 3 4 Starter lever (choke) Fully open (cold engine starting) Half-open position. OPERATION ESU00366 Starting the engine WARNING @ G G @ Be sure to stall when the starter lever is in the off position. @ 1. Warm up ) Closed (warm engine starting the engine. Turn the main switch to start, release the switch, wait...
... the parking brake is applied. Do not crank the engine more than 10 seconds on position. Fully open the starter lever (choke). 1 2 3 4 Starter lever (choke) Fully open (cold engine starting) Half-open position. OPERATION ESU00366 Starting the engine WARNING @ G G @ Be sure to stall when the starter lever is in the off position. @ 1. Warm up ) Closed (warm engine starting the engine. Turn the main switch to start, release the switch, wait...
Owners Manual
Page 44
.... Once the engine has warmed up, you are the two basic factors of the controls. Pay particular attention to start out and accelerate 1. Set the parking brake and follow the instructions on pages 7-1-7-2 to the safety information on your snowmobile. Apply the throttle slowly and smoothly. Avoid high speeds until you with your snowmobile and all warning and caution...
.... Once the engine has warmed up, you are the two basic factors of the controls. Pay particular attention to start out and accelerate 1. Set the parking brake and follow the instructions on pages 7-1-7-2 to the safety information on your snowmobile. Apply the throttle slowly and smoothly. Avoid high speeds until you with your snowmobile and all warning and caution...
Owners Manual
Page 45
... the throttle to prevent track slippage. Lean more as the turn . Remember: Avoid higher speeds until you reach the crest of the turn to tip. On climbs straight up a hill, do so, put your weight on the running board to the inside of the snowmobile around to turning. Stop the engine and set the parking brake. Restart the engine, release the parking brake, and...
... the throttle to prevent track slippage. Lean more as the turn . Remember: Avoid higher speeds until you reach the crest of the turn to tip. On climbs straight up a hill, do so, put your weight on the running board to the inside of the snowmobile around to turning. Stop the engine and set the parking brake. Restart the engine, release the parking brake, and...
Owners Manual
Page 46
.... This position will make it easier for turning, stopping, and starting is to shift your body weight as needed. Excessive braking will allow you to properly position your weight to lock, causing a loss of your snowmobile immediately on the uphill side. @ Ice or icy surface Operating on ice or icy surfaces, drive slowly and cautiously. Traction for you have...
.... This position will make it easier for turning, stopping, and starting is to shift your body weight as needed. Excessive braking will allow you to properly position your weight to lock, causing a loss of your snowmobile immediately on the uphill side. @ Ice or icy surface Operating on ice or icy surfaces, drive slowly and cautiously. Traction for you have...
Owners Manual
Page 53
...) G Page Spark plugs Check condition. Replace if necessary. Check coolant level. Check operation. ∗ Repair if necessary. Carburetor Engine stop switch Throttle override system (T.O.R.S.) Throttle lever ∗ Exhaust system 5-8 5-3, 6-5 5-2, 6-5 ∗ It is cold. ESU00139 8- Check oil level. ∗ Replace. Replace. Check condition. Check operation. ∗ Repair if necessary. Check operation. ∗ Repair if necessary. Replace if necessary. 8-4-8-5 ∗ Valve clearance Engine oil Engine oil filter cartridge Fuel ∗ Fuel filter ∗ Fuel line...
...) G Page Spark plugs Check condition. Replace if necessary. Check coolant level. Check operation. ∗ Repair if necessary. Carburetor Engine stop switch Throttle override system (T.O.R.S.) Throttle lever ∗ Exhaust system 5-8 5-3, 6-5 5-2, 6-5 ∗ It is cold. ESU00139 8- Check oil level. ∗ Replace. Replace. Check condition. Check operation. ∗ Repair if necessary. Check operation. ∗ Repair if necessary. Replace if necessary. 8-4-8-5 ∗ Valve clearance Engine oil Engine oil filter cartridge Fuel ∗ Fuel filter ∗ Fuel line...
Owners Manual
Page 54
G G G G G G G 5-10, 6-7 6-7, 8-15-8-17 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 deflection, and for wear and damage. ∗ Replace if necessary. Check for wear and damage. ∗...
G G G G G G G 5-10, 6-7 6-7, 8-15-8-17 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 deflection, and for wear and damage. ∗ Replace if necessary. Check for wear and damage. ∗...
Owners Manual
Page 55
...: @ Brake fluid replacement: 1. 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 Lubricate with specified grease. Check for primary. G G G G G G G G G G 5-10 6-11 6-11 8-34 8-34 8-34 ∗ It is changed. Make sure that these items be serviced...
...: @ Brake fluid replacement: 1. 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 Lubricate with specified grease. Check for primary. G G G G G G G G G G 5-10 6-11 6-11 8-34 8-34 8-34 ∗ It is changed. Make sure that these items be serviced...
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
... snowmobile. in tank ...Supply fuel. G Clogged fuel line ...Clean fuel line. G Worn or damaged gasket ...Replace gasket. Due to "OFF". @ 9-1 Apply the parking brake and turn the main switch to the rubber engine mounting, the snowmobile frame is an important safety device; Engine turns over but does not start the snowmobile only. Fuel supplied to bypass the T.O.R.S. 3. system malfunction ...Disconnect the throttle switch connectors and connect the wire harness connectors together to...
... snowmobile. in tank ...Supply fuel. G Clogged fuel line ...Clean fuel line. G Worn or damaged gasket ...Replace gasket. Due to "OFF". @ 9-1 Apply the parking brake and turn the main switch to the rubber engine mounting, the snowmobile frame is an important safety device; Engine turns over but does not start the snowmobile only. Fuel supplied to bypass the T.O.R.S. 3. system malfunction ...Disconnect the throttle switch connectors and connect the wire harness connectors together to...
Owners Manual
Page 93
... V-belt clutch offset ...Ask a Yamaha dealer to inspect. 3. If the terminals are seated securely in cooling system ...Bleed air or ask a Yamaha dealer to inspect. 3. Engine stop switch is pushed in the drive track, or slide runners have melted to the slide metal due to inspect. "Hydrostatic lock" occurs when fuel has filled the cylinders when the vehicle has been transported...Remove the spark plugs and turn...
... V-belt clutch offset ...Ask a Yamaha dealer to inspect. 3. If the terminals are seated securely in cooling system ...Bleed air or ask a Yamaha dealer to inspect. 3. Engine stop switch is pushed in the drive track, or slide runners have melted to the slide metal due to inspect. "Hydrostatic lock" occurs when fuel has filled the cylinders when the vehicle has been transported...Remove the spark plugs and turn...
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