1965 Evinrude SportFour Heavy Duty 60 HP Outboards Service Manual, 4204, Page 15Get this manual
creasesThe connector nearest the primer bulb must be cQnnected to the fuel tankSee Figure 3-5The tank air inlet and fuel outlet are sealed until the supply line connector is plugged into the tankWhen the fuel line is attached, two disc valve plungers are depressed, forcing the disc valves off their seatsThis vents the tank to the atmosphere and opens the fuel outlet"0" ring seals in the fuel connectors shut off fuel flow when the line is disconnected from the tank or motorTo facilitate draining and cleaningdrain screw has been provided in the fuel tank upper housing REMOVAL OF CARBURETOR
Figure 3-4Fuel PumpFilterand Hoses lowing downward stroke of the piston, crankcase pressure flexes the diaphragm in the opposite directionThe inlet valve is then seated, preventing the return of fuel to the tank, while the discharge valve is opened, allowing fuel to pass to the carburetorFuel is drawn through fine mesh filter before entering the pump to remove impuritiesSee Figure 3-4 FUEL TANK The fuel tank is non-pressurized, suction operated tankFuel is lifted from the tank to the carburetor by the fuel pumpPriming is achieved by squeezing the primer bulb (part of the fuel line) several times or until pressure required to squeeze the bulb inaRemove outer set screw and loosen inner set screw to disconnect throttle control rodSee Figure 3-6