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Periodic maintenance
46
WARNING
EWS00351
When checking the T.O.R.S.:
● Make sure that the parking brake is ap-
plied.
● Make sure that the throttle lever moves
smoothly.
● Do not rev the engine to the point that
the clutch engages, otherwise the snow-
mobile could start moving, which could
cause an accident.
1. Start the engine.
NOTE:
Refer to the “Starting the engine” section on
page 31.
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, press the throttle lever gradually.
The T.O.R.S. will be activated and the
engine speed will be limited to less than
the clutch engagement speed. (See page
74 for the clutch engagement speed.)
WARNING
EWS00361
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.
ESU12801
Checking the air filter
Always check that there is no snow under the
air filter element frame.
1. Remove the shroud, the left side cover,
and the right side cover. (See page 43 for
removal procedures.)
1. Throttle lever pivot
2. Engine stop switch housing
3. Throttle lever
U8GL10E0.book Page 46 Friday, May 18, 2007 3:17 PM