PERIODIC MAINTENANCE AND ADJUSTMENT
7-24
7
EAU66611
To a
d
just the
d
rive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Loosen the locknut at each end of
the swingarm, and then loosen the
axle nut and the brake caliper
bracket bolt.
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]
TIP
Using the alignment marks on each
drive chain puller, make sure that both
chain pullers are in the same position
for proper wheel alignment.
3. Tighten the axle nut, the brake cal-
iper bracket bolt, and then tighten
the locknuts to the specified
torques.
4. Make sure that the drive chain
pullers are in the same position,
the drive chain slack is correct,
and the drive chain moves
smoothly.
1. Locknut
2. Drive chain slack adjusting nut
3. Axle nut
1. Brake caliper bracket
2. Brake caliper bracket bolt
3
2
2
1
1
2
1
1. Washer
2. Alignment marks
Ti
g
htenin
g
torques:
Axle nut:
90 Nm (9.0 m·kgf, 65 ft·lbf)
Brake caliper bracket bolt:
39 Nm (3.9 m·kgf, 28 ft·lbf)
Locknut:
7 Nm (0.7 m·kgf, 5.1 ft·lbf)
1
2
(a)
(b)
ZAUN0630
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