I have a suzuki 150 V6 with carbs. I finally got this thing to run perfect, except for this one promblem. When I run the motor it runs absolutely perfect, but when I turn the engine off to fish for a little while and try to start it again it starts and kills. I did notice that the ball is losing its prime after a little while of not running. Once I pump the ball, and its hard, the engine fires right up! What can cause this promblem? Where to check first? I just hate worrying the whole time I am fishing, wondering if the motor is going to crank when I am out there. Hopefully its a easy fix and I can get back in the water. By the way I rebuilt the Fuel Pumps and got the carbs cleaned twice.