Periodic maintenance and adjustment
67
5.
Install the dipstick.
6.
Install the right side cover and the shroud.
To adjust the chain tension
1.
Remove the shroud and the right side
cover. (See page 50 for removal proce-
dures.)
2.
Loosen the locknut.
3.
Turn the chain tension adjusting bolt
clockwise until it is finger tight, and then
loosen it 1/4 turn.
4.
While holding the chain tension adjusting
bolt with a wrench, tighten the locknut to
the specified torque.
5.
Install the right side cover and the shroud.
ESU13540
Brake and parking brake
WARNING
EWS00440
●
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.
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 section
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 shroud and the right side
cover. (See page 50 for removal proce-
dures.)
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 and the shroud.
Checking the parking brake pads
Check the parking brake pads for wear ac-
cording to the following procedure.
1.
Remove the shroud and the right side
cover. (See page 50 for removal proce-
dures.)
1. Locknut
2. Chain tension adjusting bolt
Tightening torque:
Locknut:
25 Nm (2.5 m·kgf, 18 ft·lbf)
1. Brake pad wear limit
Brake pad wear limit:
4.7 mm (0.19 in)
U8HK12E0.book Page 67 Monday, May 17, 2010 11:42 AM