1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 166Get this manual
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14Using OMC Cone, PIN 318600, and Driver, PIN 318599, 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 piston
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 clearances
INote Be sure gap of ring fits squarely around dowel pinINote Before continuing, be certain all OMC Gel-Seal I sealant
has been removed from the cylinder block and crankcase mating flangesIf traces of hardened OMC Gel-Seal I sealant are left, main bearing misalignment might occurRefer to Cleaning, this section17Rotate cylinder block so that port cylinder head surface is facing up and horizontal to the floor
18Coat pistons, rings, cylinder walls, and OMC Ring Compressor, PIN 336314 (PIN 336313 for oversize pistons), with Evinrude or Johnson Outboard Lubricant