I just bought this boat and it has been sitting for 6 years. I have done some recent fixes on it to eliminate some problems. My next step is to rebuild the fuel pump and carb kits. But for now the boat runs great for about the first few minutes and then it just bogges down. Sometimes it will die but start right back up. I just recently replaced both power packs and replaced the spark plugs with NKGs. I have taken the carbs apart already and cleaned them but I will probably go ahead and do the rebuild kits as well. After replacing the power packs I'm kind of led to believe now that my problem with bogging down is fuel related. Only problem is when I tried to pump more fuel with the primer bulb is was collapsed. Is it the fuel pump? I checked the tank vent and its wide open. I'm lost