GAS GAS enducross EC 2008 Manuel D'entretien page 102

Drive Chain Slack Adjustment
- Loosen the rear axle nut (A).
- Turn the nuts on the chain adjusting tensors (B) until the drive
chain has a gap of 30-50 mm between the chain and the swing
arm. To keep the chain and wheel aligned, the left chain tensor
should aligned with the right chain tensor.
(B)
WARNING
Misalignment of the wheel will result in abnormal wear and may
cause an unsafe riding condition.
NOTE
Wheel alignment can also be checked using the string metod.
- Tighten the chain tensor nuts (B).
- Tighten rear axle nut to 98 Nm.
- Rotate the wheel, measure the chain slack again at the tightest
position, and readjust if necessary.
If the axle nut is not securely tightened an unsafe riding condition
may result.
Drive chain, chain guide, chain slider, and rear sprocket teeth.
When the chain is worn so much that it is more than 2% longer than
(A)
when new, it is no longer safe for use and should be replaced.
Whenever the chain is replaced, inspect both the engine output
pinion and rear sprocket teeth, and replace them if necessary. Worn
sprocket teeth will cause a new chain to wear quickly.
When a part ir worn, replace it with a genuine part for maximum
resistance and safety.
To minimize any chance of the master link coming apart, the master
link clip must be installed with the closed end of the «U» facing in
the direction of the chain rotation.
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WARNING
NOTE
(A). Clip.
(B). Direction of rotation