Honda CBR1000RR Manual page 158

Drive Chain Adjusting the Drive Chain Slack
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# Checking the Drive Chain Wear
Check the chain wear label when adjusting
the drive chain. If the front edge of the
adjusting plate enters the red zone on the
label after the chain has been adjusted to the
proper slack, the chain is excessively worn
and must be replaced.
Chain: RK525ROZ7
If necessary have the drive chain replaced by
your dealer.
Red zone
Adjusting plate
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