2002/2003 Johnson SN/ST 2 Stroke 3.5, 6 8 HP Outboards Service Manual, PN 5005466, Page 163Get this manual
POWERHEAD UPPER CRANKSHAFT SEAL68 MODELS
UPPER CRANKSHAFT SEAL68 Models
General
The presence of oil under the flywheel could indicate leaking upper crankcase sealThe upper crankcase seal can be replaced without disassembly of crankcaseRefer to IGNITION section for flywheel removal
Installation
To install new seal, apply Gasket Sealing Compound to the outside diameter of the metal casing Position seal on crankshaft with lip facing crankcase assemblyRemove the pressing screw and tip from the removerinstallerUsing mallet and removerinstaller body, install seal in powerhead