Drive Chain Sliders; Drive Chain Rollers - Honda CRF450R Owner's Manual

4. SERVICE AND MAINTENANCE
5. Lubricate the drive chain.
6. Pass the chain over the sprockets and join the ends
of the chain with the master link. For ease of assem-
bly, hold the chain ends against adjacent rear
sprocket teeth while inserting the master link. In-
stall the master link retaining clip so that the closed
end of the clip will face the direction of forward
wheel rotation. The master link is the most critical
part affecting the security of the drive chain. Master
links are reusable if they remain in excellent condi-
tion, but it is recommended that a new master link
retaining clip be installed whenever the drive chain
is reassembled.
7. Recheck chain slack and adjust if necessary.
Lubrication
Commercially prepared drive chain lubricants may
be purchased at most motorcycle shops and should
be used in preference to motor oil. Pro Honda Chain
Lube or an equivalent, or SAE 80 or 90 gear oil is
recommended.
Saturate each chain joint so that the lubricant pen-
etrates the space between adjacent surfaces of the
link plates and rollers.
54

DRIVE CHAIN SLIDERS

1. Check the chain slider for wear.
If the wear is 3/16 in (5 mm) or more, replace it.
(1) CHAIN SLIDER
2. Check the chain guide slider for wear.
Replace the guide slider if the chain is visible through
the wear inspection window.
(1) CHAIN GUIDE SLIDER

DRIVE CHAIN ROLLERS

Check the drive chain rollers for wear. Replace if neces-
sary.
SERVICE LIMIT:
UPPER ROLLER: 1.5 in (39 mm)
LOWER ROLLER: 1.5 in (39 mm)
(1) DRIVE CHAIN ROLLERS
NOTE:
• If the drive chain roller removed, install the drive
chain roller with its " " mark side facing out.
(1) " " MARK
Install the drive chain rollers as follows:
• Upper: Green
• Lower: Black