1997 Johnson Evinrude "EU" 125C, 130, 200, 225, 250 90 LV Service Manual, P/N 507269, Page 211Get this manual
22When 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 clearances
vaThe tapered ring goes in the upper ring grooveThe
square ring goes in the lower ring groove V4, V6Both rings are tapered
l11J INotel
Be sure ring gap fits squarely around dowel pin
I Note Before continuing, be certain all OMC Gel-Seal II has been
removed from the cylinder block and crankcase mating flangesIf traces of hardened OMC Gel-Seal II are left in place, main bearing misalignment might occurRefer to Cleaning, this section23Rotate cylinder block so that port cylinder head surface is parallel with floor24Coat pistons, rings, cylinder walls, and OMC Ring Compressor, PIN 334140 (PIN 334141 for oversize pistons), with Evinrude or Johnson Outboard Lubricant
25Center connecting rod in piston and locate piston rings on their dowel pinsSlide No.2 piston assembly into top cylinder, as shown, while guiding connecting rod through cylinder block26Repeat Steps 24 and 25 for remaining piston(s) on the port side27Lightly coat both sides of new cylinder head gasket with OMC Gasket Sealing Compound V4, V6Position gasket on cylinder block following instructions printed on gasket