1978 Johnson 55 HP Outboards Service Manual, Page 70Get this manual
CRANKSHAFT aInstall new oil seal (with lip facing toward bearing) in upper main bearing with Special Tool Part #316613RETAINERS AND ROLLERS
eApply coat of OMC Needle Bearing Grease to crankpinsInstall retainer halves on each crankpinSee Figure 5-36Place the remaining roller bearings in each retainerSee Figure 5-37
Figure 5-36Installing Bearing Retainer
Figure 5-34Installing Roller Bearing bOil crankshaft bearing surfacesbearings on crankshaftReplace main