Honda 2004 XR400R, Owner'S Manual

Page: 133 / 201

0.3 in (8 mm)
124
Drive Chain
Servicing Your Honda
Excessive chain slack may allow the drive
chain to damage the engine cases.
Check drive chain slack at several points
along the chain. The slack should remain
constant. If it isn’t, some links may be
kinked and binding. Lubricating the chain
will often eliminate binding and kinking.
Inspect the drive chain for:
damaged rollers
loose pins
dry or rusted links
kinked or binding links
excessive wear
damaged or missing O-rings
Replace the drive chain (page ) if it has
damaged rollers, loose pins, or kinks that
cannot be freed. Lubricate the drive chain
(page
) if it appears dry or shows signs
of rust. Lubricate any kinked or binding
links and work them free. Adjust chain slack
if needed.
Check the chain slipper ( ), chain guide
slider ( ) and chain roller ( ) for wear. If
the depth ( ) of the groove in the chain
slipper exceeds the depth limit, have your
Honda dealer replace the slipper.
Chain slipper depth limit:
Replace the chain guide slider if the chain is
visible through the wear inspection window
( ).
Replace the chain roller if it is smaller than
1 in (25 mm).
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