Page 98 - 2019 SHOP MANUAL CRF1000/A/D

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MAINTENANCE
DRIVE CHAIN

Amputation hazard. Never inspect or adjust the
drive chain while the engine is running.

DRIVE CHAIN SLACK INSPECTION
Turn the ignition switch OFF, support the motorcycle on
its sidestand, and shift the transmission into neutral.
Check the slack in the drive chain lower run midway
between the sprockets.
DRIVE CHAIN SLACK: 35 – 45 mm (1.4 – 1.8 in)

• Excessive chain slack, 60 mm (2.4 in) or more, may
damage the frame.

35 – 45 mm (1.4 – 1.8 in)
ADJUSTMENT
Loosen the rear axle nut [1].
Loosen the lock nuts [2] and turn the adjusting bolts [3] [4] [3] [2]
an equal number of turn until the correct drive chain
slack is obtained.
Make sure that the rear end of the adjusting plates [4]
are aligned with the same number of the index lines [5] [5]
from the rear end of the swingarm.
[1]
Tighten the axle nut to the specified torque.
TORQUE: 100 N·m (10.2 kgf·m, 74 lbf·ft)
Hold the adjusting bolts and tighten the lock nuts to the [7]
specified torque.
TORQUE: 27 N·m (2.8 kgf·m, 20 lbf·ft)
Recheck the drive chain slack and free wheel rotation.
Check the drive chain wear indicator label attached on
the left swingarm. [6]
If the indicator groove [6] of the drive chain adjusting
plate reaches red zone [7] of the indicator label, replace
the drive chain with a new one (page 3-18).

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