I fought that flood over problem for years on my 4020 JD gass model. The fuel lines are a bit rusty internally and the carb has a steel needle/ brass seat. The slightst bit of dirt or rust will hold the needle off it's seat and flood the entire engine.
It's a real pain to turn the tank valve on / off every time I use the tractor.
I finally installed a 12V solenoid valve inline before the carb that opens/ closes with the ignition. That totally ended the problem, even if the needle valve leaks, the fuel supply is automatically cut off when I turn off the ignition.
The valve was avalible from my local propane supplier, as the valve is a gasoline fuel lock for a dual fuel propane / gasoline fuel system.
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Today's Featured Article - The Engine Rebuild Kit - by Curtis Von Fange. I always liked engine rebuild kits. They have all the replacement parts for overhauling an engine without going to the store to get gaskets, special measuring tools, or miscellaneous parts. They come neatly packaged, clean and tidy. But it's important not to let that packaging lull you into a false sense of security. The appearance of matching sleeves, pistons, rings, and bearings can cause frustration and agony if not properly measured and installed in a workshop environment. Following c
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