Periodic maintenance and adjustment
92
5.
Install the dipstick, making sure to align
the notch in the dipstick handle with the
projection on the drive chain housing.
6.
Install the right side cover and the shroud
(RS90GT / RS90LTGT / RST90GT), or
close the shroud (RST90).
To adjust the chain tension
1.
Remove the shroud and the right side
cover (RS90GT / RS90LTGT /
RST90GT), or open the shroud (RST90).
[See page 63 (RS90GT / RS90LTGT /
RST90GT) or page 67 (RST90) for the
procedures.]
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
(RS90GT / RS90LTGT / RST90GT), or
close the shroud (RST90).
ESU13932
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.
NOTICE
ECS00060
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.
Recommended drive chain oil:
SAE 75W or 80W API GL-3 Gear oil
1. Notch
2. Projection
1
2
1. Locknut
2. Chain tension adjusting bolt
Tightening torque:
Locknut:
25 Nm (2.5 m·kgf, 18 ft·lbf)
1
2
U8JA11E0.book Page 92 Monday, June 14, 2010 10:22 AM