Page 99 - 2019 SHOP MANUAL CRF1000/A/D

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MAINTENANCE
CLEANING AND LUBRICATION
Clean the drive chain [1] with a chain cleaner designed
specifically for O-ring chains. Use a soft brush if the [1]
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 [2]
lubricating.
Lubricate the drive chain with drive chain lubricant [2].
RECOMMENDED LUBRICANT:
Dive chain lubricant designed specifically for O-
ring chains or SAE #80-90 gear oil

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.

SPROCKET INSPECTION
Remove the left rear cover (page 2-10).
Inspect the drive and driven sprocket teeth for wear or WEAR
damage, replace if necessary.
Never use a new drive chain on worn sprockets.
Both chain and sprockets must be in good condition, or
the replacement chain will wear rapidly.
NORMAL
DAMAGE

Check the drive sprocket bolt [1] and driven sprocket
nuts [2] on the drive and driven sprockets. [1] [2]
If any are loose, torque them.
TORQUE:
Drive sprocket bolt:
54 N·m (5.5 kgf·m, 40 lbf·ft)
Driven sprocket nut:
100 N·m (10.2 kgf·m, 74 lbf·ft)
Install the left rear cover (page 2-10).

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