83
MAINTENANCE
Clutch System
n Drive Belt Condition
Periodically check the condition and tension of the drive belt, and
always carry a spare. Inspect the belt for signs of excessive wear: frayed
edges, missing cogs, cracks and excessive looseness. Replace the belt if
any of these conditions exist. See Drive Belt Troubleshooting on page
106.
Always carry a spare drive belt for emergency use. Store the spare belt
on top of the electrical box, which is mounted to the clutch cover.
For improved drive-away during extremely cold temperatures, remove
the belt and warm it to room temperature. Reinstall it before starting the
snowmobile.
n Drive Belt Deflection
Measure belt deflection with both
clutches at rest and in their full
neutral position.
Place a straight edge (1) on the
belt and apply downward pressure
while measuring at point 2. This
measurement should be 1 1/4I
(3.2 cm).
Drive Belt Adjustment
1. Install the L-wrench into the open threaded hole in the outer sheave
of the clutch (see page 84). Turn the wrench clockwise slightly to
remove pressure from the sheaves.
2. Loosen the 7/16I jam nut on the belt width adjuster.
3. Using a 1/8I Allen wrench, turn the set screw inward (clockwise) to
increase the distance between the sheaves or outward (counter-
clockwise) to decrease the distance.
4. Tighten the jam nut. Remove the L-wrench and store it in the tool
kit.
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