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In addition to checking the slack, rotate the rear wheel to inspect
the drive chain and sprockets for damaged rollers, loose pins and
links, unevenly or excessively worn and damaged teeth.
Tension adjustment
-Loosen the rear axle nut.
- Turn the nuts on the chain adjusting bolts evenly until there is
30-50 mm of space between the chain and the rocker arm. To keep
the chain and wheel aligned, the adjustment on the left of the chain
should be equal to that on the right.
(A). Rear axle.
(B). Adjustment nut.
(C). Chain adjustment.
NOTE
Wheel alignment can also be checked using the straightedge
or string method.
WARNING
Misalignment of the wheel will result in abnormal wear and may
result in an unsafe riding condition.
- Tighten the chain adjustment nuts.
- Tighten the axle nut to 98 N-m.
- Rotate the wheel, measure the chain slack again at the tightest
position, and readjust if necessary.
WARNING
If the rear axle nut is not securely tightened this may lead to unsafe
riding conditions.
Drive chain, chain guide, chain slide, and rear sprocket
When the chain has worn so much that it is more than 2% longer
than when new, it is no longer safe for use and should be replaced.
Whenever the chain is replaced, inspect both the engine pinion and
rear sprocket, and replace them if necessary. Worn teeth will cause
the chain to wear more quickly.
(C)
(B)
(A)
