Perio
d
ic maintenance an
d
a
d
justment
7-22
7
5. Measure the drive chain slack as
shown.
TIP
If the chain is disassembled, be sure
the chain lock is placed in the correct
direction when installing.
6. If the drive chain slack is incorrect,
adjust it as follows.
NOTICE:
Im-
proper
d
rive chain slack will
overloa
d
the en
g
ine as well as
other vital parts of the motorcy-
cle an
d
can lea
d
to chain slip-
pa
g
e or
b
reaka
g
e. To prevent
this from occurrin
g
, keep the
d
rive chain slack within the
specifie
d
limits.
[ECA10572]
TIP
Be sure to install the cover after check-
ing or adjusting the drive chain slack.
EAUN1071
To a
d
just the
d
rive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Loosen the brake pedal free play
adjusting nut.
2. Loosen the axle nut.
3. Loosen the drive chain puller lock-
nut at each end of the swingarm.
4. To tighten the drive chain, turn the
drive chain slack adjusting bolt at
each end of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting bolt at each end
of the swingarm in direction (b),
and then push the rear wheel for-
ward.
1. Drive chain slack
Drive chain slack:
25.0–35.0 mm (0.98–1.38 in)
ZAUE2602
1
1. Chain joint
ZAUE0488
1
1. Brake pedal free play adjusting nut
2. Axle nut
3. Brake rod
4. Drive chain puller locknut
5. Brake camshaft lever
6. Drive chain slack adjusting bolt
ZAUE2603
1
2
(b)
(a)
3
4
5
6
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