1971 Johnson 60HP outboards Service Manual, Page 52Get this manual
PISTONS, WRIST PINS AND CONNECTING RODS aThe relative positions of pistons and connecting rods must be considered when assembling pistons to rodPistons must be installed in cylinders with side of piston marked UP facing upSee Figure 5-29Oil hole in connecting rod must be toward top of motorSee Figure 5-30bApply coat of oil wrist pin, making sure surface is cleanPlace drop or two of oil in each pin hole in the pistonApply OMC needle bearing grease to retain (10) rollers in wrist pin bearing retainercInsert wrist pin through piston and connecting rod so closed end of pin will face up when assembly is installed in cylinderFigure 5-29Correct Piston and Rod Assembly dReplace retaining rings, lettered side out, making certain they come to rest securely in the groove provided for this purposePISTON RINGS (UPPER RING IS PRESSURE BACKED RING)
HEAD OF PI STON MARK ED "up"