Honda ADV750 Owner's Manual page 118

Drive Chain Checking the Drive Chain Slider
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# Checking the Drive Chain Wear
Check the chain wear label when adjusting the
drive chain. If the index mark 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: DID520V0
If necessary have the drive chain replaced by
your dealer.
114
Checking the Drive Chain Slider
Check the condition of the drive chain slider.
The drive chain slider will need to be
replaced if the chain slider is worn to the
wear limit line.
If necessary have the drive chain slider
replaced by your dealer.
Red zone
Index mark
Wear limit
line
Drive chain slider