1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 161Get this manual
32Position the crankcase on the cylinder blockInstall all main bearing screws and nuts finger tight
33Install the crankcase taper pin
34Using soft face mallet, lightly tap bottom of the crankshaft to seat the lower main bearing
35Apply OMC Gasket Sealing Compound to outside diameter of two new lower crankshaft sealsInstall both seals with lip facing up using OMC Seal Installer, PIN 339752Liberally apply OMC Moly Lube between the seals36Lightly coat new crankcase head O-ring with OMC Triple-Guard grease and install itInstall the crankcase headCoat the threaded portion of the crankcase head screws with OMC Gasket Sealing CompoundInstall the screws finger tight