2-20 PERIODIC MAINTENANCE
• Count out 21 pins (20 pitches) on the chain and measure the
distance between the two points. If the distance exceeds the
service limit, the chain must be replaced.
Drive chain 20-pitch length:
Service limit: 336.5 mm
ADJUSTING
• Loosen or tighten both chain adjuster bolts
1
until there is 20
– 30 mm of slack at the middle of the chain between the
engine and rear sprockets as shown. The chain adjuster posi-
tion relative to the reference marks
A
on both sides of the
swingarm must be equal to ensure that the front and rear
wheels are correctly aligned.
Drive chain slack:
Standard: 20 – 30 mm
• Place the motorcycle on its side-stand for accurate adjust-
ment.
• After adjusting the drive chain, tighten the axle nut
2
to the
specified torque.
• Tighten both chain adjuster lock-nuts
3
securely.
Rear axle nut: 100 N·m (10.0 kgf-m)
• Recheck the drive chain slack after tightening the axle nut.
1 2 3
19 20 21
20
– 30 mm