Mine did that once and it was that I forgot to open the vent on the fuel tank. I know that I shouldn't admit it but I stop filled the tank (6 gallon portable tank); it has an air valve on the cap. Your are suppose to close the valve when tailoring it and open it when you are boating. I forgot to open it up when I launched the boat, with a full tank, and didn’t realize it tell I was back home and mad that the boat would run which ruined a day of fishing.
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may your livewells stay full, and your rods stay bent.
Kevin