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PISTON / PISTON RING INSTALLATION
Clean the piston heads, ring lands and skirts.
Carefully install the piston rings onto the piston with
the markings facing up.
NOTE
Be careful not to damage the piston and rings during
assembly.
Do not confuse the top and second rings.
Space the ring end gaps 120 degrees apart.
Space the side rail gaps 40mm or more apart as shown.
After installing the rings they should rotate freely,
without sticking.
PISTON INSTALLATION
NOTE
Place a clean shop towel over the crankcase to
prevent the clip from falling into the crankcase.
Install the piston and insert the piston pin.
NOTE
The mark that is stamped on the piston head should
be facing the correct direction.
IN MARK : TO INTAKE SIDE
EX MARK : TO EXHAUST SIDE
CYLINDER / PISTON
10-5
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Troubleshooting
