Yamaha R3 Owner's Manual page 72

Periodic maintenance and adjustment
1. Axle nut
2. Locknut
3. Drive chain puller cap
2. To tighten the drive chain, turn the
drive chain slack adjusting nut on
each side of the swingarm in di-
7
rection (a). To loosen the drive
chain, turn the adjusting nut on
each side of the swingarm in di-
rection (b), and then push the rear
wheel forward.
1
2
3
1. Drive chain slack adjusting nut
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.
1. Alignment marks
2. Drive chain puller
3. Tighten the axle nut, then the lock-
1
(a)
(b)
4. Make sure that the drive chain
5. Install the drive chain puller caps.
2
1
7-25
nuts to their specified torques.
Tightening torques:
Axle nut:
57 N·m (5.7 kgf·m, 42 lb·ft)
Locknut:
16 N·m (1.6 kgf·m, 12 lb·ft)
pullers are in the same position,
the drive chain slack is correct,
and the drive chain
smoothly.
moves