Yamaha RS90NL Owner'S Manual Download

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ESU00003

CONTENTS

YAMAHA MOTOR
CORPORATION, U.S.A.
SNOWMOBILE LIMITED
WARRANTY

.......................................1-1

YAMAHA EXTENDED SERVICE
(Y.E.S.)

...............................................1-4

LOCATION OF THE
IMPORTANT LABELS

.......................2-1

SAFETY INFORMATION

...................3-1

DESCRIPTION

...................................4-1

CONTROL FUNCTIONS

....................5-1

Main switch......................................5-1
Starter lever (choke) ........................5-2
Throttle lever....................................5-2
Engine overheating prevention
system .............................................5-2
Throttle override system
(T.O.R.S.) ........................................5-3
Speedometer unit ............................5-4
High beam indicator light .................5-4
Fuel meter and grip/thumb
warmer level indicator......................5-5
Fuel level warning indicator .............5-6
Oil level warning indicator................5-6
Low coolant temperature
indicator light ...................................5-6
Coolant temperature warning
indicator ...........................................5-7
Self-diagnostic system.....................5-7
Engine stop switch...........................5-8
Brake lever ......................................5-8
Parking brake lever..........................5-9
Shift lever.........................................5-9
Headlight beam switch ..................5-10
Auxiliary DC jack ...........................5-10
Shroud latches...............................5-11

Drive guard ....................................5-11
V-belt holders ................................5-11
Carburetor coolant shut-off
lever...............................................5-12
Rear suspension damping force
remote adjustment dial ..................5-12
Storage compartment ....................5-12

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 the engine ..........................7-1
Break-in ...........................................7-2
Riding your snowmobile ..................7-3
Getting to know your snowmobile ...7-3
Learning to ride your snowmobile ...7-3
To start out and accelerate..............7-3
Braking ............................................7-3
Turning ............................................7-4
Riding uphill .....................................7-4

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