1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 273Get this manual
Assembly
1Using socket, install new gearcase head sealApply DPL Penetrating Lubricant to the casing of the sealThe seal should be installed with the letters facing outward Tap seal in until seatedApply ewe Triple-Guard grease to the seal lips2Apply ewe Gasket Sealing Compound to the outside diameter of two new gearcase cover sealsInstall the seals back-to-back on ewe Seal Installer, PIN 326547Then press them into the gearcase cover until they are flushApply ewe TripleGuard grease to the seal lips