Contents
Adjusting the engine idling speed
(RST90) ..................................... 68
Adjusting the throttle lever free
play ............................................ 68
Checking the throttle override
system (T.O.R.S.) ..................... 71
Checking the air filter ................... 72
Carburetors (RST90) .................... 76
High-altitude settings .................... 76
Valve clearance ............................ 77
Engine oil and oil filter cartridge ... 77
Cooling system ............................. 83
V-belt ............................................ 87
Drive chain housing ...................... 90
Brake and parking brake .............. 92
Extrovert drive sprocket (RS90P /
RS90PLT / RST90PGT) ............ 94
Skis and ski runners ..................... 95
Steering system ........................... 96
Drive track and slide runners ....... 97
Lubrication .................................. 101
Replacing a headlight bulb ......... 103
Adjusting the headlight beams ... 106
Fittings and fasteners ................. 107
Battery ........................................ 107
Replacing a fuse ........................ 108
Troubleshooting ........................... 115
Storage .......................................... 120
Specifications ............................... 122
Consumer information.................. 125
Identification number records ..... 125
Vehicle Emission Control
Information label ...................... 126
YAMAHA MOTOR
CORPORATION, U.S.A.
SNOWMOBILE LIMITED
WARRANTY............................. 127
YAMAHA EXTENDED SERVICE
(Y.E.S.) .................................... 130
U8HV11E0.book Page 2 Monday, April 23, 2012 9:34 AM
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