1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 157Get this manual
7Install piston rings on each pistonInstall each piston ring set on the piston that was used to test the ring clearancesSpread each ring with ring expander just enough to slip it over the head of the piston and down into place INote Be sure gap of ring fits squarely around dowel pin8Coat pistons, rings, cylinder, and OIVIC Ring Compressor, PIN 326592 (PIN 330222 for oversize), with outboard lubricant[] 9Center connecting rod in piston and locate piston rings in their dowel pinsWith the word "UP" on dome of piston facing flywheel end of crankshaft, slide piston into the respective cylinder bore while guiding the connecting rod through the block