Cylinder Head - APRILIA MSS Mana GT ABS Service Station Manual

MSS Mana GT ABS
- Loosen the 4 head-cylinder fixing nuts in two or
three stages and in a criss-crossed sequence.
- Remove the head, the two centring dowels, the
gasket and the lower chain guide slider.

Cylinder head

Removing the overhead camshaft
- Remove the 3 fixing screws and the camshaft re-
taining bracket.
NOTE
REMOVING THE FIXING SCREWS MAY BE DIFFICULT. BE
CAREFUL NOT TO DAMAGE THE INTERNAL HEXAGON.
IF NECESSARY, DETACH THE THREADS IN ADVANCE.
- Remove the camshaft.
CAUTION
THE TWO CAMSHAFTS ARE DIFFERENT ONE FROM THE
OTHER. IT IS POSSIBLE TO IDENTIFY THEM BY LETTER
"A" (FRONT) OR "P" (REAR) STAMPED ON THE EXTER-
NAL SHOULDER, CROWN GEAR SIDE.
- Remove the pins and the rocking levers acting
from the transmission-side holes.
Engine
ENG - 181