Before changing the carburetor, blow into the tank and see if you can get gas to the carb. The check valve valve is an integral part of carburetor operation; it has to do more than rattle around in there, it has to actually check the flow. You need to get the supply line in order before you start swapping expensive, rare pieces. Do not know how far you have that vinyl tubing in the tank, but the check valve cannot touch the bottom, which will block the fuel flow, nor can it be laying on its side, which will interfere with the checking action.... or it is so corroded that it cant possibly hold the fuel in the pipe. Take your vinyl tube off the carburetor and tie it straight up. Give a little puff of air to the tank, enough to get some gasoline in the tube. If the gas stays in the tube, the check valve is working at least well enough to start the engine. Proceed then to find out why engine vacuum is not reaching the fuel line.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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