APRILIA TUONO V4 R 2010 Service Station Manual page 302

Engine
•
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
•
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.
•
Protect the edge of the head with rubber.
•
Load the chain tensioner with special tool.
Specific tooling
ENG - 302
TUONO V4 R