1993 Johnson Evinrude "ET" 40 thru 55 Service Repair Manual, P/N 508283, Page 163Get this manual
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Assembly
2 Apply OMC Gasket Sealing Compound to outside diameter
facing up using OMC Seal Installer, PIN 339752, 40, 48, 50 models (PIN 334998, 45, 55 models)Liberally apply OMC Mol