Checking The Air Filter - Yamaha GCH I 237 Owner's Manual

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
81 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.
ESU11876

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.
Periodic maintenance and adjustment
[EWS00363]
1. Place the snowmobile on a level surface
and apply the parking brake.
2. Open the shroud.
3. Remove the air filter case cover by un-
hooking the case fastener and the case
cover fasteners.
1
2
1. Air filter case cover fastener
2. Air filter case fastener
4. Lift up the air filter element frame and
check the air filter element. If there is any
snow on the air filter element, remove the
element, brush off the snow, and then in-
stall the air filter element.
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