Just got 78 galaxy boat with 165 merc cruiser i know its a fuel issue boat was running fine then shut down but mine has pump bulb in fuel line to fuel pump sems to be working fine i can open throttle couple of times it will start then die checked fuel water seperator no water found think could b sucking air im a good mechanic but this my first marine set up i was hoping to get some feed back on known fuel issues on this 165