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Honda CRF450RL 2021 Owner's Manual & Off-Road Handbook page 74

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Maintenance
CLEANING/LUBRICATION
Clean the drive chain [1] with a chain cleaner designed
specifically for O-ring chains. Use a soft brush if the drive
chain is dirty.
Do not use a steam cleaner, high pressure cleaner, wire
brush, volatile solvent such as gasoline and benzene,
abrasive cleaner or a chain cleaner NOT designed
specifically for O-ring chains to clean the drive chain.
Inspect the drive chain for possible damage or wear.
Replace any drive chain that has damaged rollers, loose
fitting links, or otherwise appears unserviceable.
Be sure the drive chain has dried completely before
lubricating.
Lubricate the drive chain with drive chain lubricant [2].
RECOMMENDED LUBRICANT:
Honda HP Chain Lube or an equivalent
Do not use a chain lubricant NOT designed specifically
for use with O-ring chains to lubricate the drive chain.
Wipe off the excess oil or drive chain lubricant.
[1]
[2]
2-48
REPLACEMENT
This motorcycle uses a drive chain with a staked master
link.
Fully slacken the drive chain 2-47.
Remove the drive chain using the special tool.
TOOL:
Drive chain tool set
• When using the special tool, follow the manufacturer's
instruction.
Remove the excess drive chain links from a new drive
chain with the drive chain tool set.
STANDARD LINKS: 116 LINKS
REPLACEMENT CHAIN
RK: 520EXU-120LJFZ
1 LINK
116 LINKS
07HMH-MR10103 or
07HMH-MR1010C
(U.S.A. only)

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