1992 Johnson/Evinrude EN 2.3 thru 8 outboards Service Manual, Page 63Get this manual
In-Line Fuel Filter Replace the filter element (or assembly) every 100 operating hours or once each season, whichever comes first
Irl lRemove in-line filterIt is necessary to unclamp fuel hoses
to service filter2Clean and shake filter element to remove collected particlesf51 3Clean all parts of the filter assembly and fuel connectors with mild aerosol solvent, and blow dryDo not dry parts with cloth as lint might stick to the parts and clog the passages or prevent the fuel pump valves from seating Dissolve any gummy deposits with OMC Cleaning Solvent4In-line fuel filter is serviced as complete assembly only