APRILIA RSV4 RR Service Station Manual page 334

Engine
NOTE
THIS ENGINE HAS CAMSHAFTS OF THE EXHAUST
VALVES WITH CLEARANCE RECOVERY.
•
Install the intake and exhaust camshafts on the front head, bearing in mind that:
the exhaust camshaft gear tooth (indicated with a dot) is meshed with the trough of the intake camshaft
gear (indicated with two dots).
CLEAN THOROUGHLY THE SEATS OF THE GEAR RETAINER SCREWS, ON THE INTAKE CAM-
SHAFT.
•
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.
ENG - 334
RSV4 RR/RF