Assembling Piston - APRILIA M192M Workshop Manual

UPDATING ENGINES M192M / M191M
4.2.21.

ASSEMBLING PISTON

•
Fit piston and gudgeon pin to on rod by setting the po-
sition piston with the arrow facing the exhaust side.
•
Protect the crankshaft sent.
•
Install snap ring on piston.
•
Fit a ring on each side.
WARNING
Be careful not to score or damage ring seats or
piston inner surface.
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Engines M192M / M191M