1991 Johnson/Evinrude EI 60 thru 70 outboards Service Manual, Page 156Get this manual
COB1250
191 11If removed, install new lower main bearingOil the shaft and support the crankshaft between the lower counterweights when pressing12Lightly coat new driveshaft a-ring with OMC Moly LubePlace the a-ring into groove inside of the crankshaft
13Install the main bearing retaining ring with its square, sharp edge facing away from the bearing
r,v 14Oil and install the two main bearing assembliesThe split
sleeve retaining rings should face away from the flywheel taper
r:;:;l 15Apply OMC Gasket Sealing Compound to seal's outside diameter and use OMC Seal Installer PIN 326567 to install new upper crankshaft sealSeal lip must face bearingr:;:J16Lightly coat new a-ring with OMC Triple-Guard grease and install main bearing assembly and a-ring Seal must face up