Snowmobile Yamaha RX1 (2003 year). Instruction - part 5

 

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Snowmobile Yamaha RX1 (2003 year). Instruction - part 5

 

 

5-1

ESU00013 

5-

CONTROL FUNCTIONS

ESU00362

Main switch

The main switch controls the following items.

1 “OFF” 
The ignition circuit is switched off. 
The key can be removed only in this position.

2 “ON” 
The ignition circuit is switched on.

3 “START” 
The starting circuit is switched on. 
The starter motor starts.

CAUTION:

Release the switch immediately after the engine
starts. 

@

NOTE:

The headlights, meter lights, and taillights come on after
the engine starts. 

@

5-2

ESU00020 

Starter lever (choke)

Use the starter lever (choke) when starting and warming
up a cold engine.

1 Starter lever (choke) 
2 When starting a cold engine. 
3 Warming up 
4 When the engine is warm.

NOTE:

Refer the “Starting the engine” section for proper opera-
tion. 

ESU00022 

Throttle lever

Once the engine is running cleanly, squeezing 

a the throt-

tle lever 

1 will increase the engine speed and cause

engagement of the drive system. Regulate the speed of
the snowmobile by varying the throttle position. Because
the throttle is spring-loaded, the snowmobile will deceler-
ate, and the engine will return to idle when it is released 

b.

WARNING

Check the throttle, brake, and steering for proper
operation before starting the engine. 

ESU00361

Engine overheating prevention system

This model is equipped with an engine overheating pre-
vention system to prevent overheating when the engine
is idling.
When the engine has been idling for at least 3 minutes
and the coolant temperature has risen above 100 °C
(212 °F), the engine automatically shuts off to prevent
overheating.

NOTE:

The engine can be started after it shuts off.

5-3

ESU00023 

Throttle override system (T.O.R.S.)

If the carburetor or throttle cable should malfunction dur-
ing operation, the T.O.R.S. will operate when the throttle
lever is released. 
The T.O.R.S. is designed to interrupt the ignition and
keep the engine revolution speed between 2,800 and
3,000 r/min if the carburetor fails to return to idle when
the lever is released.

WARNING

If the T.O.R.S. is activated, make sure that the
cause of the malfunction has been corrected and
that the engine can be operated without a prob-
lem before restarting the engine. 

Be sure to use the specified spark plug and spark
plug cap. Otherwise, the T.O.R.S. will not work
properly. 

@

CA-01E

È Idle or starting 
É Run 
Ê Trouble 
1 Carburetor switch 
2 Throttle switch 
3 Throttle cable 
4 Throttle valve 
a On 
b Off 

A

B

C

Mode

Switch

Idle 

or 

starting

Run

Trouble

Throttle switch

Off

On

Off

Carburetor switch

On

Off

Off

Engine

Run

Run

T.O.R.S. 
will operate

A

B

C

5-4

ESU00339

Speedometer unit

The speedometer unit is equipped with the following:

a digital speedometer (which shows riding speed)

an odometer (which shows the total distance trav-
eled)

a tripmeter (which shows the distance traveled since
it was last set to zero)

warning indicators (which show self-diagnosis, cool-
ant temperature, fuel level, and oil level warnings)

fuel meter (which shows the fuel remaining in the fuel
tank)

grip/thumb warmer heat level indicator (which shows
the heat level of the grip warmer or the thumb
warmer)

After the engine is started, the tachometer 

1 makes one

sweep, and the warning light 

2 and all segments of the

meter 

3 turn on and off once. Then the warning light

turns on again, and then goes off if there are no prob-
lems. The grip warmer heat level is initially displayed for
5 seconds, then switches to the fuel meter display.

Odometer and tripmeter modes
Pushing the select/reset button 

4 switches the display

between the odometer mode “ODO” and the tripmeter
mode “TRIP”.
To reset the tripmeter, push the select/reset button for at
least one second while the tripmeter is displayed.

NOTE:

To switch the speedometer, odometer, and tripmeter dis-
plays between kilometers and miles, select the odometer
mode  “ODO”, and then push the select/reset button 

4

for at least 10 seconds. 

@

ESU00363

High beam indicator light

The high beam indicator light 

1 comes on when the high

beams of the headlights are switched on. (See page 5-12
for headlight beam switch operation.) 

 

 

 

 

 

 

 

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