6-22
PERIODIC MAINTENANCE AND MINOR REPAIR
1
2
3
4
5
6
7
8
9
EAU00742
Brake fluid replacement
The brake fluid should be replaced
only by trained Yamaha service
personnel. Have the Yamaha deal-
er replace the following compo-
nents during periodic maintenance
or when they are damaged or leak-
ing:
8
oil seals (every two years)
8
brake hoses (every four years)
EAU00744
Drive chain slack check
NOTE:
Spin the wheel several times and
find the tightest position of the
chain. Check and/or adjust the
chain slack while it’s in this tightest
position.
To check the chain slack the motor-
cycle must be held straight up with
both wheels on the ground and
without rider. Check the slack at
the position shown in the illustra-
tion. Normal slack is approximately
35 ~ 45 mm. If the slack exceeds
45 mm, adjust.
a
a.
Chain slack
EAU01502
Drive chain slack adjustment
1. Loosen the rear brake pedal
free play adjusting nut.
2. Remove the cotter pin from
the axle nut.
3. Loosen the axle nut.
4. Turn both left and right chain
adjusting plates the same
amount. Make sure that they
are in the same position for
proper wheel alignment. To
tighten the chain, turn in direc-
tion
a
. To loosen the chain,
turn in direction
b
.
1
3
2
4
a
b
1.
Rear brake pedal free play adjusting nut
2.
Cotter pin
3.
Axle nut
4.
Chain adjusting plate
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