2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 51Get this manual
INSTALLATION AND PREDELIVERY FUEL SYSTEM REQUIREMENTS
Fuel Filters
Boat-mounted fuel filters and water-separating fuel filter assemblies must meet the required fuel flow and filter specificationThe filter must be mounted to rigid surface above the "full" level of the fuel tank and accessible for servicingThe EvinrudeJohnson Fuel Filter Assembly, PIN 174176, meets all requirements for waterseparating fuel filterDRC6797
Typical Fuel Supply Configuration 1Primer bulb 2Water separating fuel filter 3Anti-siphon valve, in fuel pick-up of tank
Outboard Fuel System Requirements Chart
Component Fuel tank pickup tube Fuel fittings Fuel supply hoses