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PERIODIC MAINTENANCE 2-21
• 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: 319.4 mm (12.57 in)
ADJUSTING
• Loosen or tighten both chain adjuster bolts 1 until there is 20
– 30 mm (0.8 – 1.2 in) of slack at the middle of the chain
between the engine and rear sprockets as shown. The chain
adjuster position 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 (0.8 – 1.2 in)
• 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, 72.5 lb-ft)
• Install a new cotter pin. (For E-03, 28, 33)
• Recheck the drive chain slack after tightening the axle nut.
NOTE:
Do not adjust the drive chain beyond the adjustable range
A
.
Replace the drive chain before drive chain exceeds the limit.
1 2 3 192021
20 – 30 mm
(0.8 – 1.2 in)