Posted by Mtjohnso on November 14, 2023 at 22:58:47 from (172.56.105.46):
Have a Zenith Carburetor (12566) updraft that apparently was used on a lot of different engines. This one is on a John Deere 1010 crawler. Fuel is gravity feed to carburetor. Initially the carburetor would leak gas out the bottom of the carb when the engine was off. So you always had to turn the gas off at the tank when engine was off. So I bought a carb kit from a local shop only to find that the carb kit was wrong. Carb shop owner found parts to replace needle valve and seat and correct gaskets. Put it all back together and back on the engine and turned the fuel on. Carb immediately had fuel coming out of it. I assume the needle valve was not closing. Pulled it off the engine. Needle valve was not stuck. Blowing into the inlet with my breath and the needle did close it off. Thoughts on why this maybe happening.
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