10-5
CYLINDER/PISTON
·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.
·Place a clean shop towel over the crankcase to
prevent the clip from falling into the crankcase.
·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
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.
● After installing the rings they should rotate freely,
without sticking.
PISTON INSTALLATION
● Install the piston and insert the piston pin.
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