PERIODIC MAINTENANCE 2-15
• Count out 21 pins (20-pitch) 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: 259.0 mm (10.20 in)
ADJUSTING
• Place the vehicle on level ground.
• Loosen or tighten both chain adjusters 1 equally until the
chain has 25 – 35 mm (1.0 – 1.4 in) of slack at the middle of
the chain between the engine and rear sprockets as shown.
Drive chain slack:
Standard: 25 – 35 mm (1.0 – 1.4 in)
• After adjusting the drive chain, tighten the bolts 2 to the
specified torque.
Rear axle housing bolt: 50 N·m (5.0 kgf-m, 36.0 lb-ft)
• Recheck the drive chain slack.
NOTE:
After drive chain adjustment, adjust the rear brake.
* Rear brake adjustment ...............2-17
CLEANING AND LUBRICATING
• Remove the right rear tire. (5-8)
• Remove the chain case cover. (5-30)
• Clean the drive chain with kerosine. If the drive chain tends to
rust quickly, the intervals must be shortened.
25 – 35 mm
(1.0 – 1.4 in)
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