Owners Manual
Page 6
... force remote adjustment dial ...5-12 Storage compartment ...5-12 Rear carrier ...5-13 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...
... force remote adjustment dial ...5-12 Storage compartment ...5-12 Rear carrier ...5-13 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...
Owners Manual
Page 7
... the drive chain housing oil level and the drive chain tension ...8-16 Checking the brake pads...8-18 Checking the parking brake pads...8-18 Checking the brake fluid level...8-19 Changing the brake fluid...8-19 Suspension...8-19 Adjusting the drive track ...8-31 Aligning the skis...8-33 Adjusting the handlebar...8-33 Lubrication ...8-35 Replacing a headlight bulb ...8-36 Adjusting the headlight beam ...8-36 Battery ...8-37 Replacing a fuse...8-37 TROUBLESHOOTING ...9-1 STORAGE ...10-1 SPECIFICATIONS ...11-1 Dimensions...11-1 Engine ...11-1 Chassis...11-2 Electric...11-4 WIRING DIAGRAM ...12...
... the drive chain housing oil level and the drive chain tension ...8-16 Checking the brake pads...8-18 Checking the parking brake pads...8-18 Checking the brake fluid level...8-19 Changing the brake fluid...8-19 Suspension...8-19 Adjusting the drive track ...8-31 Aligning the skis...8-33 Adjusting the handlebar...8-33 Lubrication ...8-35 Replacing a headlight bulb ...8-36 Adjusting the headlight beam ...8-36 Battery ...8-37 Replacing a fuse...8-37 TROUBLESHOOTING ...9-1 STORAGE ...10-1 SPECIFICATIONS ...11-1 Dimensions...11-1 Engine ...11-1 Chassis...11-2 Electric...11-4 WIRING DIAGRAM ...12...
Owners Manual
Page 8
... warranted against abnormal wear for inspection and repairs at the time of purchase, plus a special early-season extension (if applicable). 2. All Yamaha snowmobile clutch components are not qualitatively equivalent to an authorized Yamaha snowmobile dealer of any part adjudged defective by this warranty to normal wear or routine maintenance including oil, spark plugs, clutch drive belts, slide runners, and track. Operation on surfaces...
... warranted against abnormal wear for inspection and repairs at the time of purchase, plus a special early-season extension (if applicable). 2. All Yamaha snowmobile clutch components are not qualitatively equivalent to an authorized Yamaha snowmobile dealer of any part adjudged defective by this warranty to normal wear or routine maintenance including oil, spark plugs, clutch drive belts, slide runners, and track. Operation on surfaces...
Owners Manual
Page 9
... Q. Specific examples include: Running the machine out of the following year. Under what conditions is available for one (1) year from the date of normal maintenance services, non-warranty repairs, accident and collision damages, as well as to what constitutes abnormal wear. Abnormal wear is caused by operation or maintenance other in the Owner's Manual? Your Yamaha snowmobile dealer possesses criteria as oil, spark plugs, clutch drive belts...
... Q. Specific examples include: Running the machine out of the following year. Under what conditions is available for one (1) year from the date of normal maintenance services, non-warranty repairs, accident and collision damages, as well as to what constitutes abnormal wear. Abnormal wear is caused by operation or maintenance other in the Owner's Manual? Your Yamaha snowmobile dealer possesses criteria as oil, spark plugs, clutch drive belts...
Owners Manual
Page 10
... machine requires warranty service, you . Explain the operation, maintenance, and warranty requirements to contact Yamaha Motor Corporation, U.S.A., for his setup, service and warranty repair work. Whom should move after you are handled at the time of the dealership. When contacting Yamaha Motor Corporation, U.S.A. be sure to -date list of all warranty matters are still not satisfied and require additional assistance, please write: YAMAHA MOTOR CORPORATION, U.S.A. CHANGE OF ADDRESS...
... machine requires warranty service, you . Explain the operation, maintenance, and warranty requirements to contact Yamaha Motor Corporation, U.S.A., for his setup, service and warranty repair work. Whom should move after you are handled at the time of the dealership. When contacting Yamaha Motor Corporation, U.S.A. be sure to -date list of all warranty matters are still not satisfied and require additional assistance, please write: YAMAHA MOTOR CORPORATION, U.S.A. CHANGE OF ADDRESS...
Owners Manual
Page 16
... controls and their function. Passengers are prohibited. Apply the parking brake before starting the engine. Become familiar with the parking brake applied. This snowmobile is released. 6. Make sure that the throttle...perform the pre-operation checks on public streets, roads, or highways. This may result if you could collide with another vehicle. 3. Never drive the snowmobile with all labels before starting the engine. Such use the following . Read the Owner's Manual and all of alcohol or drugs. 5. Consult a Yamaha dealer about any of control. 4. SAFETY...
... controls and their function. Passengers are prohibited. Apply the parking brake before starting the engine. Become familiar with the parking brake applied. This snowmobile is released. 6. Make sure that the throttle...perform the pre-operation checks on public streets, roads, or highways. This may result if you could collide with another vehicle. 3. Never drive the snowmobile with all labels before starting the engine. Such use the following . Read the Owner's Manual and all of alcohol or drugs. 5. Consult a Yamaha dealer about any of control. 4. SAFETY...
Owners Manual
Page 18
... the engine to release the throttle and apply the brake gently-not suddenly. Always refer to the "STORAGE" section if the snowmobile is to cool off before storing the snowmobile 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. Maintain or replace safety and instruction...
... the engine to release the throttle and apply the brake gently-not suddenly. Always refer to the "STORAGE" section if the snowmobile is to cool off before storing the snowmobile 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. Maintain or replace safety and instruction...
Owners Manual
Page 20
... remote adjustment dial (RS90R/RS90GT/RSG90/RSG90GT) Drive track Skis Headlights Shroud Strap (RS90M/RS90MS) Tail/brake lights Snow flap Brake lever Parking brake lever Grip warmer adjustment switch Headlight beam switch Engine stop switch Thumb warmer adjustment switch Throttle lever M Shift lever (RS90R/RS90NR/RS90GT/RSG90/ RSG90GT) N Shroud latch O Main switch P Auxiliary DC jack (RS90GT/RSG90GT) Q Starter lever R Tachometer S Low coolant temperature indicator light T High beam indicator light U Warning light V Self-diagnosis warning indicator W Coolant temperature warning indicator X Fuel...
... remote adjustment dial (RS90R/RS90GT/RSG90/RSG90GT) Drive track Skis Headlights Shroud Strap (RS90M/RS90MS) Tail/brake lights Snow flap Brake lever Parking brake lever Grip warmer adjustment switch Headlight beam switch Engine stop switch Thumb warmer adjustment switch Throttle lever M Shift lever (RS90R/RS90NR/RS90GT/RSG90/ RSG90GT) N Shroud latch O Main switch P Auxiliary DC jack (RS90GT/RSG90GT) Q Starter lever R Tachometer S Low coolant temperature indicator light T High beam indicator light U Warning light V Self-diagnosis warning indicator W Coolant temperature warning indicator X Fuel...
Owners Manual
Page 22
... ESU00201 Starter lever (choke) Use the starter lever (choke) when starting and warming up When the engine is warm. 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 when the engine is released b. Regulate the speed of the drive system. NOTE: The engine can be started after it shuts off to idle when...
... ESU00201 Starter lever (choke) Use the starter lever (choke) when starting and warming up When the engine is warm. 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 when the engine is released b. Regulate the speed of the drive system. NOTE: The engine can be started after it shuts off to idle when...
Owners Manual
Page 27
..., 2006 4:23 PM ESU04180 Coolant temperature warning indicator If the engine overheats, the coolant temperature warning indicator 1 and the warning light 2 come on. WARNING @ G G G If the self-diagnosis warning indicator and warning light flash continuously, and an error code is equipped with the electrical circuit, lead couplers, etc. Then, check that the wire harness couplers in the engine compartment are defective, the warning light 1 and the self-diagnosis...
..., 2006 4:23 PM ESU04180 Coolant temperature warning indicator If the engine overheats, the coolant temperature warning indicator 1 and the warning light 2 come on. WARNING @ G G G If the self-diagnosis warning indicator and warning light flash continuously, and an error code is equipped with the electrical circuit, lead couplers, etc. Then, check that the wire harness couplers in the engine compartment are defective, the warning light 1 and the self-diagnosis...
Owners Manual
Page 31
... case parts break or come loose. Never run the engine with the shroud open . CAUTION: @ Make sure that all cables and wires are in place when closing the shroud, slowly lower it to cover the V-belt clutch and V-belt in the holders. @ 5-11 Keep your body and clothing away from rotating parts when servicing with the shroud open , unlatched, or...
... case parts break or come loose. Never run the engine with the shroud open . CAUTION: @ Make sure that all cables and wires are in place when closing the shroud, slowly lower it to cover the V-belt clutch and V-belt in the holders. @ 5-11 Keep your body and clothing away from rotating parts when servicing with the shroud open , unlatched, or...
Owners Manual
Page 47
..., release the throttle and apply the brake gently-not suddenly. Do not attempt to the safety information on your snowmobile. To start to lose traction, reduce control, and increase the possibility of the controls. Riding your snowmobile and all warning and caution labels on pages 3-1-3-3. Improper use of the brake can be rewarded with hours of pleasure. The V-belt clutch will start...
..., release the throttle and apply the brake gently-not suddenly. Do not attempt to the safety information on your snowmobile. To start to lose traction, reduce control, and increase the possibility of the controls. Riding your snowmobile and all warning and caution labels on pages 3-1-3-3. Improper use of the brake can be rewarded with hours of pleasure. The V-belt clutch will start...
Owners Manual
Page 48
... weight on the throttle or steer to turning. E_8gg.book Page 4 Thursday, March 16, 2006 4:23 PM Turning Riding uphill For most snow surfaces, "body English" is pointed downhill, mount your snowmobile from the uphill side. It is made at all times. If necessary, gradually let off on the uphill side at higher speeds. When the snowmobile is the key...
... weight on the throttle or steer to turning. E_8gg.book Page 4 Thursday, March 16, 2006 4:23 PM Turning Riding uphill For most snow surfaces, "body English" is pointed downhill, mount your snowmobile from the uphill side. It is made at all times. If necessary, gradually let off on the uphill side at higher speeds. When the snowmobile is the key...
Owners Manual
Page 49
...clutch engaged while descending the hill. As you have to slip sideways on the seat and the foot of the slide if there are an ever-present danger. @ Traversing slopes is not recommended for turning, stopping, and starting is important to apply just enough throttle to keep speed to regain balance. Traversing a slope WARNING @ WARNING... icy surface Operating on the running board. This will cause the drive track to shift your 7-5 Also apply the brake frequently, with the knee of control. @ If you to lock, causing a loss of your body weight as needed. This position will...
...clutch engaged while descending the hill. As you have to slip sideways on the seat and the foot of the slide if there are an ever-present danger. @ Traversing slopes is not recommended for turning, stopping, and starting is important to apply just enough throttle to keep speed to regain balance. Traversing a slope WARNING @ WARNING... icy surface Operating on the running board. This will cause the drive track to shift your 7-5 Also apply the brake frequently, with the knee of control. @ If you to lock, causing a loss of your body weight as needed. This position will...
Owners Manual
Page 56
...) G Page Spark plugs Check condition. E_8gg.book Page 1 Thursday, March 16, 2006 4:23 PM ESU04960 8- G G 8-8 ∗ It is recommended that is cold. Maintenance, replacement, or repair of devices and systems related to emissions control may be serviced by any repair establishment or individual that these items be performed by a Yamaha dealer. 8-1 Replace if necessary. 8-5-8-6 ∗ Valve clearance ∗ Crankcase breather system ∗ Fuel filter Check clearance.
...) G Page Spark plugs Check condition. E_8gg.book Page 1 Thursday, March 16, 2006 4:23 PM ESU04960 8- G G 8-8 ∗ It is recommended that is cold. Maintenance, replacement, or repair of devices and systems related to emissions control may be serviced by any repair establishment or individual that these items be performed by a Yamaha dealer. 8-1 Replace if necessary. 8-5-8-6 ∗ Valve clearance ∗ Crankcase breather system ∗ Fuel filter Check clearance.
Owners Manual
Page 57
... (2,500 mi) (200 hr) G Page Engine oil ∗ Engine oil filter cartridge Fuel Engine coolant Throttle lever (carburetor side) Throttle lever (handlebar side) Throttle override system (T.O.R.S.) Engine stop switch Check oil level. ∗ Replace. Check operation. ∗ Repair if necessary. G G G Adjust synchronization of carburetors. Check and adjust engine idle speed. G G 8-7 ∗ Carburetors Whenever operating condition (elevation/temperature) is recommended that these items be serviced by a Yamaha dealer. Check for cracks or damage...
... (2,500 mi) (200 hr) G Page Engine oil ∗ Engine oil filter cartridge Fuel Engine coolant Throttle lever (carburetor side) Throttle lever (handlebar side) Throttle override system (T.O.R.S.) Engine stop switch Check oil level. ∗ Replace. Check operation. ∗ Repair if necessary. G G G Adjust synchronization of carburetors. Check and adjust engine idle speed. G G 8-7 ∗ Carburetors Whenever operating condition (elevation/temperature) is recommended that these items be serviced by a Yamaha dealer. Check for cracks or damage...
Owners Manual
Page 94
E_8gg.book Page 39 Thursday, March 16, 2006 4:23 PM 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 8-39
E_8gg.book Page 39 Thursday, March 16, 2006 4:23 PM 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 8-39
Owners Manual
Page 95
... with throttle open or wipe the spark plugs dry. 2. G Clogged fuel line ...Clean fuel line. replace if necessary. The T.O.R.S. Compression Insufficient G Loose cylinder head nuts ...Tighten nuts properly. G Worn or damaged piston and cylinder ...Ask a Yamaha dealer to inspect. Fuel supplied to the rubber engine mounting, the snowmobile frame is not a suitable grounding point for jump-starting the engine. This can be started using a 12-volt battery...
... with throttle open or wipe the spark plugs dry. 2. G Clogged fuel line ...Clean fuel line. replace if necessary. The T.O.R.S. Compression Insufficient G Loose cylinder head nuts ...Tighten nuts properly. G Worn or damaged piston and cylinder ...Ask a Yamaha dealer to inspect. Fuel supplied to the rubber engine mounting, the snowmobile frame is not a suitable grounding point for jump-starting the engine. This can be started using a 12-volt battery...
Owners Manual
Page 97
... conditions ...Ask a Yamaha dealer to inspect. 5. Clogged fuel system ...See A.1. above . above . 3. Electric starter does not operate or operates slowly 1. Disconnect the black (-) jumper cable from the negative (-) terminal of the booster battery. 11. Engine power is caused by poor lubrication, inadequate fuel, or an air leak-Ask a Yamaha dealer to inspect. Faulty spark plugs ...Replace the spark plugs. 2. system ...See A.2. Start the engine. 9. D. Faulty spark plugs ...Clean or replace the spark plugs. 3. Improper fuel...
... conditions ...Ask a Yamaha dealer to inspect. 5. Clogged fuel system ...See A.1. above . above . 3. Electric starter does not operate or operates slowly 1. Disconnect the black (-) jumper cable from the negative (-) terminal of the booster battery. 11. Engine power is caused by poor lubrication, inadequate fuel, or an air leak-Ask a Yamaha dealer to inspect. Faulty spark plugs ...Replace the spark plugs. 2. system ...See A.2. Start the engine. 9. D. Faulty spark plugs ...Clean or replace the spark plugs. 3. Improper fuel...
Owners Manual
Page 107
...Q R S 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/RS90NR/RS90GT/RSG90/ RSG90GT) Gear position switch (RS90R/RS90NR/RS90GT/RSG90/ RSG90GT) Brake light switch Tail/brake light Speed sensor COLOR CODE B ...Black Br ...Brown...
...Q R S 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/RS90NR/RS90GT/RSG90/ RSG90GT) Gear position switch (RS90R/RS90NR/RS90GT/RSG90/ RSG90GT) Brake light switch Tail/brake light Speed sensor COLOR CODE B ...Black Br ...Brown...