1998 Johnson Evinrude EC 5 thru 15 HP Four Stroke Service Manual, Page 218Get this manual
20Apply CWIC Gasket Sealing Compound to casing of new upper crankshaft seal, and oil to the seal lips INotel
When starting seal over the crankshaft, be sure the lips fit properly and the seal is square in the bore
21Remove keys from the crankshaft and place the seal, casing up, on the crankshaft
22Use CWIC Crankshaft Seal Installer, PI 342215, in deep-well socket and hammer to tap upper seal into placeTap until installer contacts the powerhead
23Apply CWIC Gasket Sealing Compound to casing of new lower crankshaft seal, and oil to the lipsPlace the seal, casing up, on the crankshaft24Use CWIC Crankshaft Seal Installer, PI 342215, indeep-well socket and hammer to tap lower seal into placeTap until installer contacts the powerhead
25Apply CWIC Gasket Sealing Compound to both sides of new cylinder head gasketPlace cylinder head and gasket in position on cylinder block, apply OMC Four-Stroke Outboard Break-In Lubricantto cylinder head screws, and torque to 18-20 ftIbs(24-27 Nm) in stages in the sequence shown