hi everyone i jus did a rebuild on my 87 black max 150 and im having a fuel issue that was present before and after rebuild. I can pump my primer bulb start the engine runs great but after a few moments it dies the fuel filter will b sucked dry and the primer bulb sucked flat but cant find any thing clogging the line in the tank. Does anyone have any idea what could b doing this? Any advice will b greatful thanks