Drive Train And Brake Systems; Drive Chain And Sprockets (120 Cc) - Arctic Cat 660 cc Service Manual

Drive Train and
Brake Systems
This section has been organized into sub-sections for
servicing drive train and brake systems; however,
some components may vary from model to model. The
technician should use discretion and sound judgment
when removing and installing components.
NOTE: Throughout this section, a sub-section
relating to the 120 cc model will be so designated.
The remaining sub-sections will be for the 660 cc
models.
NOTE: Some illustrations and photographs used
in this section are used for clarity purposes only
and are not designed to depict actual conditions.
! CAUTION
In this section, it will be necessary to tip the
snowmobile on its side for accessing some
components; however, the snowmobile should
not be tipped on its side in excess of a 70° angle.
If tipped on its side in excess of a 70° angle (or
upside down at all), return the snowmobile to the
upright position and immediately see Tipped
Snowmobile sub-section in Section 1 of this
manual for proper procedure to follow.
Drive Chain
and Sprockets
(120 cc)
REMOVING
1. Remove the screws securing the front and rear
chain guards; then remove the guards from the
engine compartment. Note the position of the hood
cable.
NOTE: It will be necessary to support the hood
once the hood cable is removed.
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A017A
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2. Remove the muffler hold-down spring from the
muffler and support bracket.
3. Remove the two nuts securing the muffler to the
engine.
4. Press down on the muffler and pull it to the side
until the muffler flange clears the engine exhaust
studs; then remove the muffler from the engine
compartment. Account for the exhaust gasket.
5. Compress and hold the brake lever; then remove
the cap screw securing the rear chain sprocket to
the driveshaft. Release the lever.
6. Remove the snap ring securing the brake band.
Account for a washer.
7. Loosen the rear brake cable adjustment jam nut
and slide the cable out of the brake bracket. Set the
band assembly aside.
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A018
A019
A003
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