1992 Johnson Evinrude "EN" 40 thru 55 Service Manual, P/N 508143, Page 164Get this manual
23Lightly coat new O-ring with OMC Triple-Guard grease1221 24Install O-ring onto upper main bearing123 125Rotate cylinder block so crankcase flange faces upRemove rod caps and keep them identified by cylinder numberLubricate the crankpin bearing assemblies and connecting rods with outboard lubricantPlace one half of the bearing assemblies in each connecting rodGently lower the crankshaft and main bearing assembly mto place Align upper O-ring in its groove Align main bearings with locating pin Carefully pull each connecting rod into place