1993 Johnson Evinrude "ET" 40 thru 55 Service Repair Manual, P/N 508283, Page 162Get this manual

1993 Johnson Evinrude "ET" 40 thru 55 Service Repair Manual, P/N 508283, Page 162

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If any cylinder is outside these tolerances, it must be bored oversizeA 0.030 in(0,762 mm) oversize piston is available for this engineTo determine oversize bore add 0.030 in(0,762 mm) to the standard