PERIODIC MAINTENANCE AND ADJUSTMENT
7-25
7
EAU22762
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22796
To check the
d
rive chain slack
1. Place the motorcycle on the cen-
terstand.
2. Shift the transmission into the
neutral position.
3. Measure the drive chain slack as
shown.
4. If the drive chain slack is incorrect,
adjust it as follows.
EAU63121
To a
d
just the
d
rive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Take the motorcycle off the cen-
terstand, and then put the side-
stand down.
2. Loosen the axle nut and the lock-
nut on each side of the swingarm.
3. Place the motorcycle on the cen-
terstand.
4. To tighten the drive chain, turn the
drive chain slack adjusting bolt on
each side of the swingarm in di-
rection (a). To loosen the drive
chain, turn the adjusting bolt on
each side of the swingarm in di-
rection (b), and then push the rear
wheel forward.
NOTICE:
Improp-
er
d
rive chain slack will over-
loa
d
the en
g
ine as well as other
vital parts of the motorcycle an
d
can lea
d
to chain slippa
g
e or
b
reaka
g
e. If the
d
rive chain
slack is more than 25.0 mm
(0.98 in), the chain can
d
ama
g
e
the frame, swin
g
arm, an
d
other
parts. To prevent this from oc-
currin
g
, keep the
d
rive chain
slack within the specifie
d
limits.
[ECA17791]
1. Drive chain slack
Drive chain slack:
5.0–15.0 mm (0.20–0.59 in)
1
1. Axle nut
2. Locknut
2
1
1. Drive chain slack adjusting bolt
(a)
(b)
1
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