Periodic maintenance and adjustment
61
4.
While holding the chain tension adjusting
bolt with a wrench, tighten the locknut to
the specified torque.
5.
Install the right side cover.
ESU13433
Brake and parking brake
WARNING
EWS00441
A soft, spongy feeling in the brake lever
indicates a failure in the brake system.
Do not operate the snowmobile if you
find any problems in the brake system.
You could lose braking ability, which
could lead to an accident. Ask a Yamaha
dealer to inspect and repair the brake
system.
NOTICE
ECS00061
Make sure that the brake lever end does
not project out over the handlebar end.
This will help prevent brake lever damage
when the snowmobile is placed on its side
for service.
Test the brake at a low speed when starting
out to make sure that it is working properly. If
the brake does not provide proper braking
performance, inspect the brake for wear or
brake fluid leakage. (See the following sec-
tion for more details.)
Checking the brake pads
Check the brake pads for wear according to
the following procedure.
1.
Place the snowmobile on a level surface
and apply the parking brake.
2.
Remove the right side cover. (See page
44 for removal procedures.)
3.
Check the brake pads for wear.
If the brake pads reach the wear limit,
ask a Yamaha dealer to replace them.
4.
Install the right side cover.
Checking the parking brake pads
Check the parking brake pads for wear ac-
cording to the following procedure.
1.
Remove the right side cover. (See page
44 for removal procedures.)
2.
Check the parking brake pads for wear
by measuring the thickness of the pads.
If the parking brake pads reach the wear
limit, ask a Yamaha dealer to replace
them.
Tightening torque:
Locknut:
25 N·m (2.5 kgf·m, 18 lb·ft)
1. Brake pad wear limit
Brake pad wear limit:
4.7 mm (0.19 in)
1. Parking brake pad wear limit
Parking brake pad wear limit:
1.2 mm (0.047 in)
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