1997 Johnson Evinrude "EU" 40 thru 55 2-Cylinder Service Manual, P/N 507265, Page 67Get this manual
In-Line Fuel Filter Servicing Commercial Models
[] 1Unscrew in-line filter cover It is not necessary to remove fuel hoses to service filter[]] 2Clean filter canister and shake filter element to remove collected particles[] 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 seatingDissolve any gummy deposits with OMC Cleaning SolventRecreational Models