APRILIA RSV4 RR Service Station Manual page 350

Engine
•
Check the number engraved on the U
bolts, which must correspond with the
one engraved on the head.
•
If the U bolts between the two heads
are inverted, camshaft seizure may oc-
cur
IT IS NOT POSSIBLE TO REPLACE ONLY ONE U BOLT, IF
NECESSARY: REPLACE THE ENTIRE HEAD.
•
Fit the U bolts with the nine O rings and
locator pins.
•
Install the oil pipe.
•
Fit the new washers under the screws
(2) near the spark plug holes only.
•
Tighten the ten screws (1 - 2) working
in stages and diagonally.
•
Cut the clamp that binds the chain to
the gear.
•
Position the gear on the camshaft so
that the timing hole and the gear fixing
screw hole are centred with the gear
slot.
•
Insert the specific timing pin.
Specific tooling
020851Y Camshaft timing pin
ENG - 350
RSV4 RR/RF