78 Ski Nautique shoots fuel out of the vent in the carburetor

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  • menaumann
    • Jun 2018
    • 1

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    • 78 Ski Natique

    78 Ski Nautique shoots fuel out of the vent in the carburetor

    I have a 78 Ski Nautique. Ran fine last year when I put it away. Went to start it this year and the water pump was leaking and the vent in the carburetor was shooting fuel straight up. Replaced the water pump. Tried tapping on the carb with a rubber mallet in case the float was stuck. Didn't help, rebuilt the carb and put it back on, same problem, rebuilt it again just to make sure, same problem, put different floats in, same problem. The floats seem to be working correctly because when you pull the screws on the side the fuel is at the correct level. Finally ordered a brand new carb and put it on. Exact same problem. No idea what to do next? Engine is Ford PRD WR R10 and Carb is a 4 barrel Holley.
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