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4. Rotate the rear wheel slowly and inspect
the drive chain and sprockets for any of
the following conditions:
DRIVE CHAIN
*Damaged Rollers
*Loose Pins
*Dry or Rusted Links
*Kinked or Binding Links
*Excessive Wear
*Improper Adjustment
*Missing O-rings
SPROCKETS
*Excessively Worn Teeth
*Broken or Damaged Teeth
A drive chain with damaged
rollers, loose
pins, or missing O-rings must be replaced. A
chain which appears dry, or shows signs of
rust,
requires
supplementary
lubrication.
Kinked
or binding
links
should
be _ thor-
oughly lubricated and worked free. If links
cannot be freed, the chain must be replaced.
Damaged Sprocket
Teeth
REPLACE
e
Normal Sprocket
GOOD
Worn Sprocket
Teeth
REPLACE
67
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