Periodic maintenance and adjustment
45
The T.O.R.S. will be activated and the
engine speed will be limited to less than
the clutch engagement speed. (See page
75 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]
ESU11874
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.
Open the shroud.
2.
Remove the air filter case cover by un-
hooking the case fastener and the case
cover fasteners.
3.
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.
4.
Place the air filter element frame in the
original position.
1. Throttle lever pivot
2. Engine stop switch housing
3. Throttle lever
1. Air filter case cover fastener
2. Air filter case fastener
2
1
U8GS14E0.book Page 45 Wednesday, May 19, 2010 10:45 AM