1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 154Get this manual

1995 Johnson/Evinrude Outboards 40 thru 55 2-Cylinder Service Manual, Page 154

Notellf any cylinder is outside these tolerances, it must be bored oversizeA 0.030 in(0,762 mm) oversize piston is available
should be larger than the major diameter and no measurement should be more than 0.004 in(0,10 mm) smaller than the major
diameter W If the grooves on the sides of the piston are worn smooth in an area similar to that shown, replace the piston
m 11toPlace each ring, separately, in its respective boreUsetoa piston square the ring in the cylinderUse feeler gauge measure
the ring end gapRefer to Engine Specifications, Section 1, for piston ring end gap measurement []] 12Use machinist's straightedge
to check clearance on the tapered ringsInstall one tapered ring in the piston's upper ring grooveWhen checked with the straightedge,
there should be enough ring clearance to allow the straightedge to touch the piston on both sides of the ring groove If the