1992 Johnson Evinrude "EN" 60 deg Loop V Service Manual, P/N 508146, Page 141Get this manual
1,2l 14Using OMC Cone PIN 331913 and Driver PIN 396747, install new wrist pin retaining rings in each wrist pin holeGap of retaining ring faces up, away from notch in piston15Repeat Steps 11 thru 14 for each pistonf131 16When all pistons and connecting rods are assembled install piston ring setsInstall each piston ring set on the piston that was used to test the ring set clearancesThe Pressure-Back ring goes in the upper ring grooveThe square ring goes in the lower ring groove
1141 1Notel Be sure gap of ring fits squarely around dowel pin
rr:i==l Before continuing, be certain