Chapter 7 – Cylinder head and valves
Manual de Oficina AJP PR3/PR4 (2015) 7 - 16
of the exhaust valve rocker arm, therefore
they can be mounted in either place. For 200
and 240cc engines, the shafts of the rocker
arms of the valves are not equal, so it should
be taken into account the differences between
each one in order to install each shaft in the
correct place.
Align the existing countersink at the end of
shafts of rocker arms of the valves and fit the
retaining plate, tightening it with the respective
flat head screw (star) M6x20.
Tightening torque:
12N.m (1,2kgf.m)
Uniformly apply a light liquid gasket film
(preferably gray silicone RTV) at the contact
surface of the cylinder head cover.
! WARNING !
Do not apply excess silicone to prevent
clogging the channel or lubrication holes in
the cylinder head cover, camshaft or the
rocker arms shafts of the valves.
Lubricate the shafts and the valve rocker
arms.
Put the two guide bushings (8x14) and place
the cover on the cylinder head, making sure
that the bushing supporting on the camshaft
has not left the position.
Enter the copper washers and the four blind
nuts on the cylinder bolts / cylinder head, the
four screws on the cylinder head cover.
Then tighten the remaining four flange bolts in
the cylinder head cover. The tightening of the
nuts and cylinder head bolts must be done in
"X.
Tightening torques:
Nuts of the pins in the cylinder head:
39N.m
(4,0kgf.m)
Flange screws M6:
12N.m (1,2kgf.m)
Insert the screw of the timing chamber with
washer plate 6mm hole in the cylinder head.