2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 124Get this manual

2003 Johnson ST 6/8 HP 4 Stroke Outboards Service Manual, PN 5005471, Page 124

POWERHEAD DISASSEMBLYHP Remove exhaust tubeRemove and discard cover O-ring and inspect exhaust passages
Remove seal from exhaust tube and replace if necessaryInspect tube
Remove bushing from water tubeRemove three screws retaining exhaustwater tube coverRemove cover and discard gasket