Yamaha RST90A Offroad Vehicle User Manual


 
Contents
Location of the important labels .....1
Safety information ............................6
Description ........................................8
Control functions ............................11
Main switch .................................. 11
Starter (choke) lever (RST90) ...... 11
Throttle lever ................................ 11
Throttle override system
(T.O.R.S.) .................................. 12
Multi-function meter unit ............... 13
High beam indicator light .............. 16
Low coolant temperature indicator
light ............................................ 17
Fuel meter and grip/thumb warmer
level indicator ............................ 18
Fuel level warning indicator .......... 20
Oil level warning indicator ............ 21
Coolant temperature warning
indicator ..................................... 21
Self-diagnosis device ................... 22
Engine stop switch ....................... 22
Headlight beam switch
LIGHTS ................................... 23
Grip/thumb warmer adjusting
switch ........................................ 23
Auxiliary DC jack .......................... 24
Helmet shield heater jack
(RS90GT/ RS90LTGT/
RST90GT) ................................. 25
Brake lever ................................... 25
Parking brake lever ...................... 26
Shift lever ..................................... 26
Drive guard ................................... 27
V-belt holders ............................... 28
Passenger grips (RST90GT) ........ 29
Passenger grip warmer switch
(RST90 / RST90GT) ................. 29
Passenger footrests
(RST90 / RST90GT) ................. 30
Backrest (RST90 / RST90GT) ..... 30
Storage compartment (RS90GT /
RS90LTGT / RST90GT) ........... 31
Storage areas (RST90) ................ 33
Tow hitch bracket
(RST90 / RST90GT) ................. 35
Fuel .............................................. 36
Suspension .................................. 37
Pre-operation checks ..................... 46
Pre-operation check list ............... 46
Operation......................................... 48
Starting the engine ....................... 48
Break-in ........................................ 50
Riding your snowmobile ............... 50
Maximizing drive track life ............ 54
Driving .......................................... 55
Stopping the engine ..................... 56
Transporting ................................. 56
Periodic maintenance and
adjustment....................................... 58
Periodic maintenance chart for
the emission control system ..... 59
General maintenance and
lubrication chart ........................ 60
Tool kit ......................................... 62
Removing and installing
the shroud and covers (RS90GT /
RS90LTGT / RST90GT) ........... 63
Opening and closing the shroud
and removing and installing
the right side cover (RST90) ..... 67
Checking the spark plugs ............. 68
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
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