1965 Evinrude 90 HP StarFlite Service Manual, PN 4206, Page 56Get this manual
RETAINER PLATE
dInstall center main bearing on center journal of crankshaft and oilDowel pin hole in bearing must be positioned toward cylinder blockeInstall upper crankshaft head, seal, and bearing assembly on crankshaft, with "0" rings (Starflite) or "0" ring and gasket (Speedifour) on crankshaft headRemove rod caps from connecting rods
r9LOW ER
BEARING
RETAINING RING
fPlace crankshaft into position on cylinder block, aligning main bearing with dowel pin in cylinder block, and rotating crankcase heads slightly to prevent damage to the "0" rings and gasketWhile installing crankshaft, pistons must be as close to bottom of cylinders as possibleSee Figure 5-33