Honda 2006 RC51 Owner's Manual page 149

Drive Chain
Wear Inspection
LEFT SIDE
(2) red zone
Check the chain wear label when adjusting
the chain. If the red zone ( ) on the label
aligns with the index line ( ) on the chain
adjuster plates after the chain has been
adjusted to the proper slack, the chain is
excessively worn and must be replaced.
The proper slack is:
1 1 3/8 in (25 35 mm) − −
142
Servicing Your Honda
(3)
(2)
(3) index line
2
3
Classic Cycles Technical Resources
The bottom part of the frame may be
damaged by excessive drive chain slack of
more than:
1 15/16 in (50 mm)
Adjustment
Refer to Saf ety Precautions
Drive chain slack should be checked and
adjusted, if necessary, every 500 miles
(800 km). When operated at sustained
high speeds or under conditions of
frequent rapid acceleration, the chain may
require more frequent adjustments.
on page 62 .