Perio
d
ic maintenance an
d
a
d
justment
7-20
7
EAU22762
Drive chain slack
The drive chain slack should be
checked before each ride and adjusted
if necessary.
EAU22777
To check the
d
rive chain slack
1. Place the motorcycle on the side-
stand.
TIP
When checking and adjusting the drive
chain slack, there should be no weight
on the motorcycle.
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.
EAU40115
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, axle nut, and lock-
nut at each end of the swingarm.
2. To tighten the drive chain, turn the
drive chain slack adjusting nut at
each end of the swingarm in direc-
tion (a). To loosen the drive chain,
turn the adjusting nut at each end
of the swingarm in direction (b),
and then push the rear wheel for-
ward.
NOTICE:
Improper
d
rive
chain slack will overloa
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.
To prevent this from occurrin
g
,
keep the
d
rive chain slack with-
in the specifie
d
limits.
[ECA10572]
Drive chain slack:
35.0–45.0 mm (1.38–1.77 in)
1. Drive chain slack
1. Brake pedal free play adjusting nut
2. Drive chain slack adjusting nut
3. Locknut
1. Axle nut
2. Drive chain slack adjusting nut
3. Locknut
1
2
3
2
3
1
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