Contents
Carburetors (RST90) .................... 77
High-altitude settings .................... 77
Valve clearance ............................ 77
Engine oil and oil filter cartridge ... 77
Cooling system ............................. 83
V-belt ............................................ 88
Drive chain housing ...................... 91
Brake and parking brake .............. 92
Extrovert drive sprocket
(RS90GT / RS90LTGT) ............. 95
Skis and ski runners ..................... 95
Steering system ........................... 96
Drive track and slide runners ....... 98
Lubrication .................................. 102
Replacing a headlight bulb ......... 103
Adjusting the headlight beams ... 107
Fittings and fasteners ................. 108
Battery ........................................ 108
Replacing a fuse ........................ 109
Troubleshooting ...........................116
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
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