ines M192M / M191M / M245M / M234M / M282M / M281M
3.6.20. ASSEMBLING PISTON RINGS
• Position scraper ring spring on piston.
• To fit the ring, keep its opening opposite the spring
joint with the word top facing the piston crown. The
chamfered edge must face the piston crown.
• Fit 2
nd
ring with its identification mark or the word top
facing the piston crown. The working step must be op-
posite the piston crown.
• Fit the 1
st
ring with its identification mark or the word
top facing the piston crown.
NOTE The surface of the two rings mating the cylinder is ta-
pered to ensure better settling.
• Stagger the ring openings at 120°.
• Lubricate with engine oil.
• On the 200 cc version, the 1
st
ring has a L-shaped sec-
tion.
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