APRILIA MXV 450 - Cylinder Head

•
Remove the head cover.
•
Remove the camshaft gear and re-
move the timing chain properly.
•
Remove the fix slider.
•
Undo and remove the head fixing
screw on the timing system side.
NOTE
THE CAMSHAFT FIXING SCREW OF THE FRONT CYLIN-
DER WORKS ANTICLOCKWISE; THE FIXING SCREW OF
THE REAR CYLINDER, CLOCKWISE.
NOTE
REMOVE THIS SCREW BEFORE REMOVING THE FOUR
MAIN SCREWS.
•
Undo and remove the four head fixing
screws using a roundhead universal
socket wrench if required.
•
Remove the head and collect the head
gasket and the centring bushings.
Cylinder head
Removing the decompression system
•
Remove the rockers.
•
Lock the camshaft with the 6 mm (0.24
in) pin used for timing.
•
Undo and remove the fixing screw of
the decompressor control lock.
Engine MXV 450
ENG - 104