Perio
d
ic maintenance an
d
a
d
justment
8-24
8
EAU74260
To a
d
just the
d
rive chain slack
Consult a Yamaha dealer before ad-
justing the drive chain slack.
1. Loosen the axle nut and the lock-
nut on each side of the swingarm.
2. 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.
TIP
Using the alignment marks on each
side of the swingarm, make sure that
both drive chain pullers are in the same
position for proper wheel alignment.
3. Tighten the axle nut, then the lock-
nuts to their 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. Axle nut
ZAUM1426
1
2
1. Drive chain slack adjusting bolt
1. Drive chain puller
2. Notch
3. Alignment marks
ZAUM1427
(a)
(b)
1
1
3
2
2
ZAUM1428
Ti
g
htenin
g
torques:
Axle nut:
150 N·m (15 kgf·m, 111 lb·ft)
Locknut:
16 N·m (1.6 kgf·m, 12 lb·ft)
UB4T20E0.book Page 24 Tuesday, April 4, 2023 9:44 AM