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DRIVE CHAIN WEAR
Remove the chainguard.
Stretch the chain taut by suspending a 20 lb weight on the lower run
of the chain.
Measure the length of 20 links on the straight run of the chain from the
center of the 1st pin to the center of the 21st pin. Since the chain may
wear unevenly, take measurements at several points.
If the length of the chain exceeds the service limit, replace the chain.
The service limit is 257mm or 10.1in.
WARNING: A loose axle nut is a serious safety threat and can lead
to an accident resulting in serious injury or death. Tighten the axle
nut to proper torque.
WARNING: Misalignment of the rear wheel will result in abnormal
wear, improper brake engagement, and mayresult in an unsafe
riding condition. Be sure to evenly adjust the left andright nut and
not the side-to-side alignment of the wheel.
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