1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Repair Manual, P/N 507870, Page 140Get this manual

1990 Johnson Evinrude "ES" Colt/Junior thru 8 Service Repair Manual, P/N 507870, Page 140

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