1990 Johnson Evinrude "ES" 40 thru 55, P/N 507872, Page 146Get this manual
Assembly
r::==l Proceed slowlyMake no forced assemblies unless pressing operation is called forAll internal components must be perfectly clean and lightly coated with Johnson or Evinrude Outboard Lubricant
INotel Use new gaskets, seals, and O-rings during assemblyr:;l 1Apply OMC Gasket Sealing Compound to outside diameter LJ of new upper crankshaft sealInstall the seal with lip facing bearing using OMC Seal Installer PIN 334500Coat the lip of the seal with OMC Triple-Guard greaset:;l 2Apply OMC Gasket Sealing Compound to outside diameter of two new lower crankshaft sealsInstall both seals with lip facing up using OMC Seal Installer PIN 334998Liberally apply OMC Moly Lube between the sealsf31 3Using OMC Wrist Pin Retaining Ring Driver PIN 318599 and OMC Wrist Pin Retaining Ring Cone PIN 318600, seat one new retaining ring in wrist pin hole