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Periodic maintenance and adjustment
93
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 (RS90GT / RS90LTGT /
RST90GT), or open the shroud (RST90).
[See page 63 (RS90GT / RS90LTGT /
RST90GT) or page 67 (RST90) for the
procedures.]
3. Check the brake pads for wear.
If the brake pads reach the wear limit, ask
a Yamaha dealer to replace them.
RS90GT / RS90LTGT
RST90 / RST90GT
4. Install the right side cover and the shroud
(RS90GT / RS90LTGT / RST90GT), or
close the shroud (RST90).
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 (RS90GT / RS90LTGT /
RST90GT), or open the shroud (RST90).
[See page 63 (RS90GT / RS90LTGT /
RST90GT) or page 67 (RST90) for the
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.
1. Brake pad wear limit
1. Brake pad wear limit
Brake pad wear limit:
RS90GT 4.7 mm (0.19 in)
RS90LTGT 4.7 mm (0.19 in)
RST90 7.5 mm (0.30 in)
RST90GT 7.5 mm (0.30 in)
U8JA11E0.book Page 93 Monday, June 14, 2010 10:22 AM