1987 Johnson Evinrude "CD" Colt/Junior thru 55 Commercial service repair manual, P/N 507546, Page 49Get this manual

1987 Johnson Evinrude "CD" Colt/Junior thru 55 Commercial service repair manual, P/N 507546, Page 49

Quality of the image is intentionally reduced!

Engine Specifications 45,55

Piston Ring Groove Side Clearance, Lower 0.004 in maximum (0,10 mm maximum)

To bore oversize, add piston oversize dimension to standard bore