Honda CRF50F 2009 Owner's Manual page 110

Drive Chain
2. 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.
Excessive chain slack may allow the drive
chain to damage the engine cases.
3. Inspect the drive chain for:
damaged rollers
loose pins
dry or rusted links
kinked or binding links
excessive wear
Replace the drive chain (page
damaged rollers, loose pins, or kinks that
cannot be freed. Lubricate the drive chain
(page 105 ) if it appears dry or shows signs
of rust. Lubricate any kinked or binding
links and work them free. Adjust chain slack
102
Servicing Your Honda
4.
LEFT SIDE
106 ) if it has
(2) chain slider
if needed.
Check the chain slider ( ) for wear. If the
ridge ( ) in the center of the slider is worn, 3
have your Honda dealer replace the chain
slider.
(3)
(3)
2
(2)
(3) ridge