4-20 DISASSEMBLY AND ASSEMBLY
PISTON
• Install the piston 1 with the punch mark A facing towards the
exhaust side.
• Before installing the piston pin 2, apply MOLYBDENUM OIL
SOLUTION onto its surface.
MOLYBDENUM OIL SOLUTION
• Place a clean rag over the cylinder base to prevent the piston
pin circlip 3 from dropping into crankcase. Install the piston
pin circlip 3.
NOTE:
Replace the piston pin circlip 3 with a new one.
NOTE:
End gap of the piston pin circlip 3 should not be aligned with the
cutaway B in the piston pin bore.
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