1978 Evinrude Outboards 9.9/15HP Service Repair Manual P/N 5394, Page 65Get this manual

1978 Evinrude Outboards 9.9/15HP Service Repair Manual P/N 5394, Page 65

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ness or binding by rolling the ring around the piston ring grooveSee Figure 5-29 Check for groove side clearance with feeler gageSee Figure 5-30 Correct gap and side clearances are given in Section 2