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I'm having problems with pressure building up in my carb.after 5 minutes of running the pressure darn near stops any gas from going into the filter,it lets just enough in to keep it running.the pump is putting out lots of gas.1 liter in 20 seconds in a volume test.but if I were to remove the gas line from the filter it would shoot the gas from the carb out. if I didn't keep my finger over it to prevent it.after I release the pressure from it you can see air been forced from the carb into the filter.I went back 30 minutes after releasing the pressure and small air bubbles could still be seen coming from the carb end of the filter.does anyone know what the heck is going on?is this fuel percolation?
Terry
Terry