Checking The Throttle Override System (T.o.r.s.); Checking The Air Filter - Yamaha Apex RX10RZ Owner's Manual

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Checking the throttle override
system (T.O.R.S.)
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WARNING
When checking the T.O.R.S., take precau-
tions to avoid snowmobile movement
which could cause an accident:
Make sure that the throttle lever moves
G
smoothly with the engine off before
checking the T.O.R.S.
Make sure that the parking brake is ap-
G
plied.
Do not rev the engine to the point that
G
the clutch engages.
Check the T.O.R.S. for proper operation.
1. Start the engine.
TIP
Refer to the "Starting the engine" section on
page 33.
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.
Periodic maintenance and adjustment
1. Throttle lever pivot
2. Engine stop switch housing
3. Throttle lever
The T.O.R.S. will be activated and the
engine speed will be limited to less than
the clutch engagement speed. (See page
84 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.
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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.
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