APRILIA TUONO V4 R 2010 Service Station Manual page 389

TUONO V4 R
FLEXIBLE COUPLING
Check that the flexible couplings (5) are not dam-
aged or excessively worn.
To check:
•
Fit the entire final drive unit (6) to the
wheel.
•
Manually rotate the sprocket (7) to right
and left, and check the clearance be-
tween the flexible couplings (5) and
their holder (8).
If there is excessive clearance:
•
Replace all the flexible couplings (5).
ALWAYS REPLACE ALL THE FLEXIBLE COUPLINGS
WITH OTHERS OF THE SAME TYPE.
SPROCKET
•
Check the sprocket (7) toothing for proper conditions.
If there is excessive wear:
•
Replace the sprocket.
TO PREVENT EARLY WEAR OF NEW COMPONENTS, REPLACE THE SPROCKET, PINION AND
TRANSMISSION CHAIN AT THE SAME TIME.
REAR WHEEL BEARINGS
•
Remove the rear wheel.
•
Clean the two sides of the hub with a
cloth.
Working from the wheel right side:
•
Remove the right spacer (9).
•
Remove the sealing gasket (10).
•
Remove the circlip (11).
CAUTION
THE CIRCLIP (11) IS FITTED ONLY ON THE WHEEL RIGHT
SIDE.
The spacer end (12) is fitted with slots (A) for the extractor teeth to pass through.
•
Take out the right bearing (13) with the specific extractor.
Specific tooling
AP8140180 Extractor for bushings
Suspensions
SUSP - 389