I've been through similar problems. I adjusted the float by pushing on the viton needle into the seat and it began to stick. Tried some anti-seize on the tip and that didn't help. Finally got a new needle and seat from cnh. Seems like I've seen the all brass needle valves in the kits at TSC. Maybe NAPA has them but I never checked.
They are finicky. They either stick closed or stay open and don't shut off flow.
I had a slight indention in the float where the needle rode all the time. That kept the needle from seating and it flowed all the time and out the carb intake until it started. I took an 1/8" off the float setting which left the float a little high and then it began to work.
Also after finding it lower on gas than I left it every time, I began using the fuel shut off valve and ran it till it quit. The new sediment bowl shut off still allowed a drip out the carb when the needle wouldn't seat so I put a ball valve shut off in there which I now use. So far so good.
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Today's Featured Article - Horsepower Defined - by Staff. Indicated Horsepower This represents the power developed in the enine cylinder as obtained from the pressure in the cylinders. This is pressure obtained from an indicator which shows cylinder pressures. Indicated horsepower does not represent the actual useful power delivered by the engine. Brake Horsepower This is the actual horse power delivered by the engine to the shaft. It is equal to the "indicated horsepower" less the friction of the engine. It is useful hor
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