1992 Johnson Evinrude "EN" 9.9 thru 30 Service Repair Manual, P/N 508142, Page 185Get this manual

1992 Johnson Evinrude "EN" 9.9 thru 30 Service Repair Manual, P/N 508142, Page 185

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Inspection

If any cylinder is outside these tolerances, it must be bored oversizeOne oversize piston is available for this engine (0.030 in0,762 mm)To determine oversize bore, add 0.030 i