Suzuki RM-Z250 - Piston and Piston Ring Installation

CYLINDER HEAD, CYLINDER AND PISTON 6-25
PISTON AND PISTON RING INSTALLATION
Install the piston and piston ring in the reverse order of removal.
Pay attention to the following points:
PISTON RING
• Install the piston rings in the order of oil ring and 1st ring.
• The first member to go into the oil ring groove is a spacer
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1.
After placing the spacer, fit the two side rails
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2.
NOTE:
Side designations, top and bottom, are not applied to the spacer
and side rails: you can position each either way.
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A INCORRECT
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B CORRECT
• Install the 1st ring so that the “IR” mark faces up.
• Position the gaps of the two ring as shown. Before inserting a
piston into the cylinder, check that the gaps are so located.
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C 1st ring
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D Upper side rail
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E Spacer
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F Lower side rail
CAUTION
When installing the spacer
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1, be careful not to allow
its two ends to overlap in the groove.
IN
EX