1997 Johnson Evinrude "EU" 40 thru 55 2-Cylinder Service Manual, P/N 507265, Page 157Get this manual
23Lig.htly .coat new O-ring with QJIC Triple-Guard grease
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24Install O-ring onto upper main bearing
25Rotate 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 rod26Gently lower the crankshaft and main bearing assembly into place Align upper O-ring in its groove Align main bearings with locating pin Carefully pull each connecting rod into place,