Owners Manual
Page 5
... control system ...38 General maintenance and lubrication chart ...40 Tool kit ...42 Removing and installing the shroud and covers ...42 Checking the spark plugs ...45 Adjusting the throttle cable free play ...46 Checking the throttle override system (T.O.R.S.) ...47 Checking the air filter ...48 High-altitude settings ...49 Valve clearance ...50 Engine oil and oil filter cartridge ...50 Cooling system ...54 V-belt ...56 Drive chain housing ...59 Brake and parking brake ...60 Extrovert drive...
... control system ...38 General maintenance and lubrication chart ...40 Tool kit ...42 Removing and installing the shroud and covers ...42 Checking the spark plugs ...45 Adjusting the throttle cable free play ...46 Checking the throttle override system (T.O.R.S.) ...47 Checking the air filter ...48 High-altitude settings ...49 Valve clearance ...50 Engine oil and oil filter cartridge ...50 Cooling system ...54 V-belt ...56 Drive chain housing ...59 Brake and parking brake ...60 Extrovert drive...
Owners Manual
Page 11
Apply the parking brake before starting the engine. Never drive the snowmobile with another vehicle. Such use is prohibited by the influence of alcohol or drugs. Consult a Yamaha dealer about any of fuel, have an accident, or damage your safety. Wear an approved helmet, and a face shield or goggles....list of control. Hitting a rock or stump, or running into wires could collide with the parking brake applied. You may damage the snowmobile. While using your snowmobile G Before you run out of the following for use on a ride. Perform the pre-operation checks each time you ...
Apply the parking brake before starting the engine. Never drive the snowmobile with another vehicle. Such use is prohibited by the influence of alcohol or drugs. Consult a Yamaha dealer about any of fuel, have an accident, or damage your safety. Wear an approved helmet, and a face shield or goggles....list of control. Hitting a rock or stump, or running into wires could collide with the parking brake applied. You may damage the snowmobile. While using your snowmobile G Before you run out of the following for use on a ride. Perform the pre-operation checks each time you ...
Owners Manual
Page 12
... engine exhaust with no connection to release the throttle and apply the brake gently-not suddenly. Avoid carbon monoxide poisoning All engine exhaust contains carbon monoxide, a deadly gas. G Do not run the engine indoors. G Do not run the engine outdoors where engine exhaust can linger for use . Maintenance and storage G G G G G Genuine Yamaha Accessories Choosing accessories for your snowmobile unsafe for hours or days in the fuel tank inside a building where ignition...
... engine exhaust with no connection to release the throttle and apply the brake gently-not suddenly. Avoid carbon monoxide poisoning All engine exhaust contains carbon monoxide, a deadly gas. G Do not run the engine indoors. G Do not run the engine outdoors where engine exhaust can linger for use . Maintenance and storage G G G G G Genuine Yamaha Accessories Choosing accessories for your snowmobile unsafe for hours or days in the fuel tank inside a building where ignition...
Owners Manual
Page 16
... the snowmobile by varying the throttle position. The T.O.R.S. Released Closed Engine runs properly. Off The ignition circuit is released. (See page 80 for the clutch engagement speed.) Idling Throttle lever Throttle valve T.O.R.S. The key can be operated without a problem before restarting the engine. On The ignition circuit is switched on after the engine starts. [ECS00021] TIP The headlights and taillight come on . Because the throttle is spring-loaded, the snowmobile will decelerate...
... the snowmobile by varying the throttle position. The T.O.R.S. Released Closed Engine runs properly. Off The ignition circuit is released. (See page 80 for the clutch engagement speed.) Idling Throttle lever Throttle valve T.O.R.S. The key can be operated without a problem before restarting the engine. On The ignition circuit is switched on after the engine starts. [ECS00021] TIP The headlights and taillight come on . Because the throttle is spring-loaded, the snowmobile will decelerate...
Owners Manual
Page 36
... model is a control or function you do so will prevent the engine from starting even though the engine will crank when turning the key to become familiar with all controls. To start position and release it stops. When the engine has been idling for 3 minutes or longer and the coolant temperature has risen above 100 °C (212 °F), the engine automatically stops to preserve the battery...
... model is a control or function you do so will prevent the engine from starting even though the engine will crank when turning the key to become familiar with all controls. To start position and release it stops. When the engine has been idling for 3 minutes or longer and the coolant temperature has risen above 100 °C (212 °F), the engine automatically stops to preserve the battery...
Owners Manual
Page 38
... familiar with the snowmobile's handling and performance characteristics. Set the parking brake and follow the instructions on page 30 to perform it at low speeds, even if you ride, always perform the pre-operation checks listed on the running board to begin decelerating early. Braking EWS00220 WARNING G Learning to stand behind the snowmobile when starting the engine. Do not allow anyone to...
... familiar with the snowmobile's handling and performance characteristics. Set the parking brake and follow the instructions on page 30 to perform it at low speeds, even if you ride, always perform the pre-operation checks listed on the running board to begin decelerating early. Braking EWS00220 WARNING G Learning to stand behind the snowmobile when starting the engine. Do not allow anyone to...
Owners Manual
Page 39
... snowmobile back down as abrupt throttle changes, excessive braking, incorrect body movements, or too much speed for the sharpness of the turn to keep speed to prevent track slippage. If you are thoroughly familiar with light pressure. 33 Restart the engine, release the parking brake, and descend the hill. Riding downhill EWS00240 WARNING Use extra caution when applying the brake during a descent. Riding uphill EWS00231...
... snowmobile back down as abrupt throttle changes, excessive braking, incorrect body movements, or too much speed for the sharpness of the turn to keep speed to prevent track slippage. If you are thoroughly familiar with light pressure. 33 Restart the engine, release the parking brake, and descend the hill. Riding downhill EWS00240 WARNING Use extra caution when applying the brake during a descent. Riding uphill EWS00231...
Owners Manual
Page 51
... gap with a wire thickness gauge and adjust to diagnose such problems yourself. The thread length or reach is the distance from the threads and tighten the spark plug to the end of the threaded portion. Otherwise the spark plug caps could indicate an intake track air leak or carburetion problem for a snowmobile that is a medium to a different type of the engine. Periodic maintenance and adjustment...
... gap with a wire thickness gauge and adjust to diagnose such problems yourself. The thread length or reach is the distance from the threads and tighten the spark plug to the end of the threaded portion. Otherwise the spark plug caps could indicate an intake track air leak or carburetion problem for a snowmobile that is a medium to a different type of the engine. Periodic maintenance and adjustment...
Owners Manual
Page 52
... lift it up and move it forward, away from the handlebar. Periodic maintenance and adjustment ESU12911 Adjusting the throttle cable free play adjusting bolt 3. Throttle cable free play Throttle cable free play , turn the adjusting bolt in ) 7. 8. Place the headlight unit in direction (a). To increase the throttle cable free play : 2.0-3.0 mm (0.08-0.12 in direction (b). 46 Headlight unit bolt 4. To decrease the throttle...
... lift it up and move it forward, away from the handlebar. Periodic maintenance and adjustment ESU12911 Adjusting the throttle cable free play adjusting bolt 3. Throttle cable free play Throttle cable free play , turn the adjusting bolt in ) 7. 8. Place the headlight unit in direction (a). To increase the throttle cable free play : 2.0-3.0 mm (0.08-0.12 in direction (b). 46 Headlight unit bolt 4. To decrease the throttle...
Owners Manual
Page 60
.... Right lower cover 22. Periodic maintenance and adjustment gine oil drain bolts, the cylinder head cap, and the oil filler cap are installed correctly. 19. Remove the top cover. (See page 42 for more details.) NOTICE: If coolant is harmful to operate the engine under pressure, which could cause severe engine damage. [ECS00471] EWS00380 WARNING Do not remove the coolant reservoir cap when the engine is cold. Turn the engine off...
.... Right lower cover 22. Periodic maintenance and adjustment gine oil drain bolts, the cylinder head cap, and the oil filler cap are installed correctly. 19. Remove the top cover. (See page 42 for more details.) NOTICE: If coolant is harmful to operate the engine under pressure, which could cause severe engine damage. [ECS00471] EWS00380 WARNING Do not remove the coolant reservoir cap when the engine is cold. Turn the engine off...
Owners Manual
Page 65
... the dipstick handle with a clean rag, and then insert it off with the projection on a level surface and apply the parking brake. 2. Remove the dipstick, wipe it back into the filler hole. 1. Dipstick 4. Install the drive guard, and then install the left side cover and the shroud. ESU12104 Drive chain housing To check the drive chain housing oil level 1. Periodic maintenance and...
... the dipstick handle with a clean rag, and then insert it off with the projection on a level surface and apply the parking brake. 2. Remove the dipstick, wipe it back into the filler hole. 1. Dipstick 4. Install the drive guard, and then install the left side cover and the shroud. ESU12104 Drive chain housing To check the drive chain housing oil level 1. Periodic maintenance and...
Owners Manual
Page 66
... tight, and then loosen it is working properly. If the brake pads reach the wear limit, ask a Yamaha dealer to the specified torque. Locknut 2. Brake pad wear indicator 2. Periodic maintenance and adjustment ESU13540 Brake and parking brake EWS00440 WARNING 1 G G 2 1. Do not operate the snowmobile if you find any problems in the brake system. While holding the chain tension adjusting bolt with a wrench, tighten the locknut...
... tight, and then loosen it is working properly. If the brake pads reach the wear limit, ask a Yamaha dealer to the specified torque. Locknut 2. Brake pad wear indicator 2. Periodic maintenance and adjustment ESU13540 Brake and parking brake EWS00440 WARNING 1 G G 2 1. Do not operate the snowmobile if you find any problems in the brake system. While holding the chain tension adjusting bolt with a wrench, tighten the locknut...
Owners Manual
Page 68
... master cylinder and caliper cylinder G The brake hose ESU13610 Checking the brake fluid level EWS00460 WARNING Be careful that water does not enter the master cylinder when refilling. NOTICE Brake fluid may result in ) ESU12143 Skis and ski runners Check the skis and ski runners for wear and damage. If any fluid. Lower level Specified brake fluid: DOT 4 Changing the brake fluid EWS00471 WARNING Make sure that the brake fluid is...
... master cylinder and caliper cylinder G The brake hose ESU13610 Checking the brake fluid level EWS00460 WARNING Be careful that water does not enter the master cylinder when refilling. NOTICE Brake fluid may result in ) ESU12143 Skis and ski runners Check the skis and ski runners for wear and damage. If any fluid. Lower level Specified brake fluid: DOT 4 Changing the brake fluid EWS00471 WARNING Make sure that the brake fluid is...
Owners Manual
Page 78
... bolt. 13. Fit the weatherstrip on the headlight unit into the recess in the original position, making sure to insert the projections on the headlight unit stay into the slots on the bottom of the air filter case cover. 72 "IGN" (ignition) fuse "FAN" (radiator fan) fuse "S/H" (helmet shield heater jack) fuse "HEAD" (headlight) fuse "SIG" (signaling system) fuse "DC" (auxiliary DC jack) fuse Spare fuse 16. Periodic maintenance and adjustment Specified fuses: Main fuse...
... bolt. 13. Fit the weatherstrip on the headlight unit into the recess in the original position, making sure to insert the projections on the headlight unit stay into the slots on the bottom of the air filter case cover. 72 "IGN" (ignition) fuse "FAN" (radiator fan) fuse "S/H" (helmet shield heater jack) fuse "HEAD" (headlight) fuse "SIG" (signaling system) fuse "DC" (auxiliary DC jack) fuse Spare fuse 16. Periodic maintenance and adjustment Specified fuses: Main fuse...
Owners Manual
Page 80
... damaged gasket: Replace gasket. ↓ • Worn or damaged piston and cylinder: Ask a Yamaha dealer to combustion chamber • Flooded engine: Crank engine or wipe the spark plugs dry. Due to a Yamaha dealer immediately for jump-starting the engine. Two connecting leads have been provided for repair. This can be started using a fully-charged 12-volt battery and jumper cables. Troubleshooting ESU12384 Engine turns over but does not start 1. G Fuel...
... damaged gasket: Replace gasket. ↓ • Worn or damaged piston and cylinder: Ask a Yamaha dealer to combustion chamber • Flooded engine: Crank engine or wipe the spark plugs dry. Due to a Yamaha dealer immediately for jump-starting the engine. Two connecting leads have been provided for repair. This can be started using a fully-charged 12-volt battery and jumper cables. Troubleshooting ESU12384 Engine turns over but does not start 1. G Fuel...
Owners Manual
Page 84
... suspension, front suspension and brakes), electric components (couplers, connectors, instruments, switches and lights), breather hoses and vents. Do not use a quality plastic polishing compound after washing. Test the product on a small hidden part of the windshield to remove the corrosive salts and acids that it reduces friction. Use Yamaha Stor-Rite Engine Fogging Oil, or an equivalent fogging oil, to remove the intake silencer and squirt oil...
... suspension, front suspension and brakes), electric components (couplers, connectors, instruments, switches and lights), breather hoses and vents. Do not use a quality plastic polishing compound after washing. Test the product on a small hidden part of the windshield to remove the corrosive salts and acids that it reduces friction. Use Yamaha Stor-Rite Engine Fogging Oil, or an equivalent fogging oil, to remove the intake silencer and squirt oil...
Owners Manual
Page 86
... ONLY Minimum pump octane (R+M)/2: 86 Starting system: Electric starter Chassis: Drive track: Material: Molded rubber, fiberglass-rod reinforced Type: Internal drive type Width: 381 mm (15.0 in) Deflection: 30.0-35.0 mm (1.18-1.38 in) Length on ground: RS90GT 768 mm (30.2 in) RS90LTGT 960 mm (37.8 in) Rear suspension: Type: Slide rail suspension Track sprocket wheel: Material: Polyethylene Number of teeth: 9 Transmission: Clutch type: Automatic centrifugal...
... ONLY Minimum pump octane (R+M)/2: 86 Starting system: Electric starter Chassis: Drive track: Material: Molded rubber, fiberglass-rod reinforced Type: Internal drive type Width: 381 mm (15.0 in) Deflection: 30.0-35.0 mm (1.18-1.38 in) Length on ground: RS90GT 768 mm (30.2 in) RS90LTGT 960 mm (37.8 in) Rear suspension: Type: Slide rail suspension Track sprocket wheel: Material: Polyethylene Number of teeth: 9 Transmission: Clutch type: Automatic centrifugal...
Owners Manual
Page 90
... wear or routine maintenance including oil, spark plugs, clutch drive belts, slide runners, and track. WARRANTY PERIOD: 1. In order for this warranty that the machine be inspected and registered for one (1) year from defects in warranty repairs will be warranted for the balance of each subsequent purchaser of the snowmobile's warranty period. SNOWMOBILE LIMITED WARRANTY Yamaha Motor Corporation, U.S.A. All parts replaced under this warranty shall include parts...
... wear or routine maintenance including oil, spark plugs, clutch drive belts, slide runners, and track. WARRANTY PERIOD: 1. In order for this warranty that the machine be inspected and registered for one (1) year from defects in warranty repairs will be warranted for the balance of each subsequent purchaser of the snowmobile's warranty period. SNOWMOBILE LIMITED WARRANTY Yamaha Motor Corporation, U.S.A. All parts replaced under this warranty shall include parts...
Owners Manual
Page 92
... possibility of the dealership. A. Your Yamaha snowmobile dealer has the information and experience necessary to contact Yamaha Motor Corporation, U.S.A., for his setup, service and warranty repair work. CHANGE OF ADDRESS The federal government requires each Yamaha snowmobile dealer is expected to answer almost any later date. 3. If a question or problem arises regarding warranty, first contact the owner of a safety-related defect and recall. WARRANTY DEPARTMENT P.O.
... possibility of the dealership. A. Your Yamaha snowmobile dealer has the information and experience necessary to contact Yamaha Motor Corporation, U.S.A., for his setup, service and warranty repair work. CHANGE OF ADDRESS The federal government requires each Yamaha snowmobile dealer is expected to answer almost any later date. 3. If a question or problem arises regarding warranty, first contact the owner of a safety-related defect and recall. WARRANTY DEPARTMENT P.O.
Owners Manual
Page 94
... A Air filter, checking...48 Auxiliary DC jack ...18 B Battery...69 Brake and parking brake ...60 Brake lever ...19 Break-in...31 C Control rod, adjusting ...26 Coolant temperature warning indicator ...16 Cooling system...54 D Drive chain housing...59 Drive guard...21 Drive track and slide runners ...64 Drive track life, maximizing ...35 Driving ...36 E Engine oil and oil filter cartridge ...50 Engine stop switch ...17 Extrovert drive sprocket ...62 F Fittings and fasteners...69 Fuel ...22 Fuel level warning indicator...15 Fuel...
... A Air filter, checking...48 Auxiliary DC jack ...18 B Battery...69 Brake and parking brake ...60 Brake lever ...19 Break-in...31 C Control rod, adjusting ...26 Coolant temperature warning indicator ...16 Cooling system...54 D Drive chain housing...59 Drive guard...21 Drive track and slide runners ...64 Drive track life, maximizing ...35 Driving ...36 E Engine oil and oil filter cartridge ...50 Engine stop switch ...17 Extrovert drive sprocket ...62 F Fittings and fasteners...69 Fuel ...22 Fuel level warning indicator...15 Fuel...