Chain Backlash Adjustment; Checking Wear Of Chain, Front And Rear Sprockets - APRILIA SXV 450 2008 Manual

Chain backlash adjustment (04_43, 04_44)

If you need to adjust chain tension after the check:
•
Rest the vehicle on its stand.
•
Loosen the nut (1) completely.
•
Loosen both lock nuts (4).
•
Actuate on the set screws (5) and adjust the chain backlash checking that
the references (2 - 3) match on both sides of the vehicle.
•
Tighten both lock nuts (4).
•
Tighten the nut (1).
•
Check chain clearance.
04_43
NOTE
WHEEL CENTRING IS CARRIED OUT USING THE IDENTIFIABLE FIXED REF-
ERENCES (2-3) INSIDE THE CHAIN TENSIONER PAD MOUNTS ON THE SWING-
ARM ARMS, IN FRONT OF THE WHEEL AXLE.
Locking torques (N*m)
Tightening torque for wheel nut (1):
127 Nm (12.7 kgm)
04_44

Checking wear of chain, front and rear sprockets (04_45)

Also check the following parts and check that the chain, the front sprocket and the
rear sprocket do not have:
•
damaged rollers.
•
loosened pins.
•
dry, corroded, crushed or seized links.
•
excessive wear.
•
Missing sealing rings.
•
excessively worn or damaged front or rear sprocket teeth.
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