1991 Johnson/Evinrude Models "EI" 40 thru 55 Service Manual, Page 152Get this manual
8 DRl641
1ol1nl7Using OMC Cone PIN 318600 and Driver PIN 318599,
l!J l!l install new wrist pin retaining rings in each wrist pin holeGap of the retaining ring faces down, away from notch piston8Repeat Steps thru for each piston
!1019Install piston rings on each pistonSpread each ring with a
ring expander just enough to slip it over the head of the piston and down into place
10Coat pistons, rings, cylinders and OMC Ring Compressor PIN 326592 (PIN 330222 for oversize) with outboard lubricantr,:jl11Center connecting rod in position and locate piston rings