3
101
15Nm
27Nm
ENGINE CHECKS AND ASSEMBLY
3.12.8 HEAD APPLICATION
Apply the two O-rings to the cylinder. Place the
head so that the water hose is facing the front of
the engine. Grease the screws and apply them to
the head, together with the copper washers. Fol-
lowing a cross pattern, tighten in two steps:
1. 15Nm;
2. 27Nm
Tightening of head.
The gaskets are supplied in four different thick-
nesses.
that can also be stacked, thus obtaining the nec-
essary height for the right thickness.
Note: the above-described check must be carried
out once all four crankcase cylinder coupling nuts
have been fastened at the set torque (30Nm).
Case where the piston pushes the plate causing
cylinder/plate contact to be lost
Measure the play with a gauge if the piston push-
es the plate upwards, causing contact to be lost
between plate and cylinder: if the play is greater
than 0.05 mm, the thickness of the cylinder/cas-
ing gasket must be increased and the check must
be done again.
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