Yamaha RS90PB Owner's Manual page 6

Contents
Adjusting the engine idling speed
(RST90) ..................................... 69
Adjusting the throttle lever free
play ............................................ 69
Checking the throttle override
system (T.O.R.S.) ..................... 72
Checking the air filter ................... 73
Carburetors (RST90) .................... 77
High-altitude settings .................... 77
Valve clearance ............................ 78
Engine oil and oil filter cartridge ... 78
Cooling system ............................. 84
V-belt ............................................ 88
Drive chain housing ...................... 91
Brake and parking brake .............. 93
Extrovert drive sprocket (RS90P /
RS90PLT / RST90PGT) ............ 95
Skis and ski runners ..................... 96
Steering system ........................... 97
Drive track and slide runners ....... 98
Lubrication .................................. 102
Replacing a headlight bulb ......... 104
Adjusting the headlight beams ... 107
Fittings and fasteners ................. 108
Battery ........................................ 108
Replacing a fuse ........................ 109
Troubleshooting ........................... 116
Storage .......................................... 121
Specifications ............................... 123
Consumer information.................. 126
Identification number records ..... 126
Vehicle Emission Control
Information label ...................... 127
YAMAHA MOTOR
CORPORATION, U.S.A.
SNOWMOBILE LIMITED
WARRANTY............................. 128
YAMAHA EXTENDED SERVICE
(Y.E.S.) .................................... 131