APRILIA TUONO V4 R 2010 Service Station Manual page 279

TUONO V4 R
cylinder bank valve springs are decom-
pressed.
•
Block crankshaft rotation using one of
the specific tools.
•
Unscrew and remove the second in-
take camshaft gear screw.
•
Remove the crankshaft locking tool.
Specific tooling
020850Y Primary gear lock
020848Y Flywheel retainer
•
Slide the gear off the intake camshaft.
•
Block the gear to the timing chain with
a clamp.
•
Unscrew and remove the ten screws
(1-2), proceeding in stages and in a
crossed pattern.
•
Retrieve the washers from the screws
(2) near the spark plug holes.
•
Remove the U bolts with the O rings
and locator pins.
NOTE
MARK THE COMPONENTS TO PREVENT INCORRECT RE-
FITTING.
•
Remove the intake and exhaust cam-
shafts from the front head.
•
Unscrew and remove the fixed chain
slider screw.
•
Remove the fixed chain slider.
Engine
ENG - 279