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Periodic maintenance and adjustment
73
Check the T.O.R.S. for proper operation.
1. Start the engine.
TIP
Refer to the “Starting the engine” section on
page 48.
2. Hold the pivot point of the throttle lever
away from the throttle switch by putting
your thumb (above) and forefinger (be-
low) between the throttle lever pivot and
the engine stop switch housing.
While holding the pivot point as described
above, squeeze the throttle lever gradu-
ally.
The T.O.R.S. will be activated and the
engine speed will be limited to less than
the clutch engagement speed. (See page
123 for the clutch engagement speed.)
WARNING! If the engine speed does
not decrease to less than the clutch
engagement speed, stop the engine
by turning the main switch to the off
position and consult a Yamaha dealer.
Operating the snowmobile with a mal-
functioning T.O.R.S. could result in
loss of control.
[EWS00362]
ESU14081
Checking the air filter
Check that there is no snow under the air filter
element frame after each ride. In addition,
snow may need to be cleaned during a ride
depending on the riding conditions.
1. Throttle lever pivot
2. Engine stop switch housing
3. Throttle lever
U8HV10E0.book Page 73 Monday, May 16, 2011 1:15 PM