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CAUTION
IF CLEARANCE IS GREATER AT SOME POSITIONS, THIS MEANS THAT SOME
CHAIN LINKS ARE FLATTENED OR JAMMED.
TO AVOID RISK OF SEIZURE, LUBRICATE THE CHAIN ON A REGULAR BASIS.
Chain backlash adjustment
CAUTION
TO ADJUST THE CHAIN BACKLASH, PLEASE CONTACT AN Official Aprilia
Dealer. IF YOU ARE ADEQUATELY TRAINED AND EXPERIENCED, REFER TO
THE INSTRUCTIONS IN THIS WORKSHOP BOOKLET AVAILABLE ALSO AT
ANY DEALER.
Checking wear of chain, front and rear sprockets
Also check the following parts and make sure that the chain, pinion and sprocket do
not have:
•
Damaged rollers.
•
Loosened pins.
•
Dry, rusty, flattened or jammed chain links.
•
Excessive wear.
•
Missing sealing rings.
•
Excessively worn or damaged pinion or sprocket teeth.
CAUTION
IF THE CHAIN ROLLERS ARE DAMAGED, THE PINS ARE LOOSENED AND/OR
THE SEAL RINGS ARE MISSING OR DAMAGED, THE WHOLE CHAIN APPARA-
TUS (PINION, SPROCKET AND CHAIN) SHOULD BE REPLACED.
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