Fitting the rocker - 8GO
Fitting must be carried out in the following
- Fit the rocker using the special pin tool
# 88713.0262 in place of the regular pin.
Use the thrust washers to ensure there is
no end play in the rocker (on both sides).
- Check the alignment of the rocker
slippers on the axis of the valve and cam; in
case the alignment is not regular, axially
move the rocker, positioning the thrust
washers differently. At end fitting there
must not be any end play in the rocker.
- Remove the special tool and fit the
Checking rocker clearance-8GO
Check the play under the rockers with a
feeler gauge, with "cold engine". The
clearance must be:
0.08 mm for the inlet valve
0.12mm for the exhaust valve.
If the clearance is not correct, install the
correct size shims using a 12mm wrench
and a screwdriver.
Checking the ignition timing and top dead
Find Top Dead Centre of the rear cylinder
on the compression stroke.
Fit the degree wheel on the crankshaft in
zero position (special tool # 88713.0112
and degree wheel no. 98112.0002). Then
fix a point as shown in the figure, in zero
position when piston reaches the Top