2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 125Get this manual
POWERHEAD DISASSEMBLYHP Remove tube and grommetInspect components and sump passagesRemove and discard O-rings from housingRemove two screws and lock washers securing housing together
Inspect hole in water tube for obstructionScrews
Remove and discard O-rings from pumpMark geroter assemblyRemove three screws retaining oil pump and filter assembly1Alignment marks