1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 139Get this manual
20When 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 clearancesINotel Be sure gap of ring fits squarely around dowel pin
INotel Before continuing, be certain all OMC Gel-Seal II sealant has been removed from the cylinder block and crankcase mating flangesIf traces of hardened OMC Gel-Seal II sealant are left, main bearing misalignment might occurRefer to Cleaning, this section 21 Rotate cylinder block so that the cylinder head surface is facing up and horizontal to the floorI Note Use one the following ring compressor tools for inserting the pistons into the block: 500 500 565 565 cc cc cc cc Standard: OMC PI 342218 Oversize: OMC PIN 342219 Standard: OMC PIN 342220 Oversize: OMC PIN 342221
22Coat pistons, rings, cylinder walls, and ring compressor with outboard lubricant