APRILIA RSV4 RR 2017 Service Station Manual page 322

Engine
•
rotate the crankshaft 150° in the engine rotation direction (direction of travel).
•
insert the respective pin, from the fly-
wheel side, into the groove on the
crankshaft.
NOTE
THE SPECIAL TOOL SHOWN HERE MUST ONLY BE USED
FOR IDENTIFYING THE CORRECT POSITION OF THE
CRANKSHAFT.
DO NOT USE IT FOR TIGHTENING COMPONENTS.
Specific tooling
020852Y Crankshaft timing pin
NOTE
THIS ENGINE HAS CAMSHAFTS OF THE EXHAUST VALVES WITH CLEARANCE RECOVERY.
•
Install the intake and exhaust cam-
shafts 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 cam-
shaft gear (indicated with two dots).
CLEAN THOROUGHLY THE SEATS OF THE GEAR RE-
TAINER SCREWS, ON THE INTAKE CAMSHAFT.
•
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.
ENG - 322
RSV4 RR-RF