APRILIA RSV4 RR Service Station Manual page 352

Engine
•
Remove the two crankshaft and cam-
shaft reference pins.
•
Turn the crankshaft until the gear
screw covered by the head when the
hole on the camshaft gear is aligned
with the hole on the U bolt, is visible.
•
Block crankshaft rotation using one of
the specific tools.
•
Apply Loctite 243 thread lock on the
thread of the second gear fastener
screw. This screw must be replaced at
each reassembly.
•
Tighten the second camshaft gear fix-
ing screw to exactly the torque speci-
fied.
•
Remove the crankshaft locking tool.
Specific tooling
020850Y Primary gear lock
020851Y Camshaft timing pin
020852Y Crankshaft timing pin
020914Y Flywheel retainer
•
Turn the crankshaft back to the previous position in which the camshaft and U bolt holes
were aligned; Refit the reference pin while checking, using the crankshaft reference pin, that
the clutch side hole and the hole in the crankshaft are perfectly aligned.
•
If this is not the case, repeat the timing operations.
Specific tooling
020851Y Camshaft timing pin
020852Y Crankshaft timing pin
Valves
Valve removal
•
Remove the head.
•
Place the head on supporting surface.
•
Number the valves and their bucket tappets in order to position them correctly upon refitting.
ENG - 352
RSV4 RR/RF