APRILIA RSV4 Factory Service Station Manual page 410

Chassis
•
Move the vehicle forward so as to
check vertical oscillation in other posi-
tions too. clearance should remain
constant at all wheel rotation phases.
ADJUSTMENT
CAUTION
GET A SPECIFIC REAR SERVICE STAND (OPT) TO AD-
JUST THE CHAIN.
If you need to adjust chain tension after the check:
•
Place the vehicle on its rear service
stand (OPT).
•
Loosen the nut (1) completely.
•
Loosen both lock nuts (4).
•
Actuate on the set screws (5) and ad-
just 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.
CAUTION
TO ENSURE THAT THE WHEEL IS CORRECTLY CEN-
TRED, THERE ARE FIXED REFERENCE MARKINGS (2-3)
INSIDE THE CHAIN TENSIONER SKID SEATS ON THE
SWING ARMS, IN FRONT OF THE WHEEL SPINDLE.
CHECKING THE CHAIN, THE PINION AND THE SPROCKET FOR WEAR
Furthermore, check the following parts and make sure the chain, the pinion and the sprocket do not
show:
•
damaged rollers;
•
loosened pins;
•
dry, rusty, flattened or jammed chain links;
•
excessive wear;
•
missing sealing rings;
•
excessively worn or damaged pinion or sprocket teeth.
IF THE CHAIN ROLLERS ARE DAMAGED, THE PINS ARE LOOSE AND/OR THE O-RINGS ARE
MISSING OR DAMAGED, THE WHOLE CHAIN UNIT (PINION, SPROCKET AND CHAIN) SHOULD
BE REPLACED.
LUBRICATE THE CHAIN ON A REGULAR BASIS, PARTICULARLY IF YOU DETECT DRY OR
RUSTY PARTS.
CHAS - 410
RSV4 Factory