1998 Johnson Evinrude "EC" 2 thru 8 Service Manual, P/N 520202, Page 143Get this manual
Removal of Upper Crankcase Sealthru 8 The presence of oil under the flywheel could indicate leaking upper crankcase sealThe upper crankcase seal can be replaced without disassembly of crankcaseRemove the flywheel as described in Section 3Use OMC Seal Remover, PI 391060, to remove and install the seal Use tip "A" on models Use tip
"e" on thru models
remove seal, install tip into removerinstaller bodyThread removerinstaller body with tip into seal to engage metal caseWhile holding removerinstaller body, turn pressing screw