APRILIA TUONO V4 R a-PRC ABS Service Station Manual page 80

Maintenance
•
Apply Loctite 243 thread lock on the
thread of the timing gear fastener
screw. This screw must be replaced at
each reassembly.
•
Apply and loosely tighten the gear fix-
ing screw on the camshaft.
•
Block crankshaft rotation using one of
the specific tools.
•
Tighten the gear fixing screw on the
camshaft to exactly the torque speci-
fied.
•
Remove the crankshaft locking tool.
Specific tooling
020848Y Flywheel retainer
020850Y Primary gear lock
•
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
020848Y Flywheel retainer
020850Y Primary gear lock
020851Y Camshaft timing pin
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TUONO V4 R a-PRC ABS