6hp Evinrude, 1978. Have to keep squeezing fuel bulb to get it to keep running. Tried 3 different known good fuel tanks. Replaced all hoses and clamps on engine. Fuel pump rebuilt, flows 9 0z of fuel in about 2 minutes, steady stream. Compression very even, 75-80 psi each cylinder.<br /><br />I'm out of ideas.<br /><br />Help.<br /><br />Thanks much.