3
99
30Nm
ENGINE CHECKS AND ASSEMBLY
OK
NO!
Positioning of elastic bands on the piston.
Apply the gasket between crankcase and cylinder.
Coupling of cylinder to piston and crankcase.
Tightening of cylinder nuts.
Insert the second circlip in the specific seat of
the piston, placing the open part either upwards
or downwards. Remove the previously inserted
cloth.
Abundantly oil the skirt of the piston with engine
oil and insert the elastic bands, which edges must
face the area with the stop pin.
Note: keep the silicone edge facing down.
Accurately oil the entire cylinder using engine oil
and insert the piston in the cylinder. The piston
must be inserted in the cylinder while holding the
elastic bands with one’s fingers tightly. The cylin-
der must be positioned so that the exhaust gap is
facing the front of the engine.
Push the cylinder towards the crankcase.
Apply the four collar nuts and tighten them at
30Nm, following a criss-cross pattern.
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