Fuel flow starts with the air getting into the tank vent in the cap, then the inlet to the sediment bowl in the tank, the screen in the bowl, the fuel shutoff on the exit from the bowl, the line, the screen at the carb fitting, the seat in the carb, and the needle/ float system. (I stop there because the engine runs for a minute then starves.) If the filter is for gravity feed it will be OK for now, if for a Motorcycle it might plug easily Diagnosis: Put the exit end of the filter into a tin can and turn on the valve. if it flows a pint and a half a minute or more it is OK. If not try the test before the filter. If it does flow well, do the same test at the carb fitting, there is a screen in the fitting and it is often catching rust flakes from the line. If it flows freely and as above, try the same tactic at the bowl drain. If it flows well there, the carb is getting enough, and the issue might be in the internal passages. If not pull the bowl off of the carb while still on the engine. the bowl must not touch the float either when no fuel is in the carb, or when it is floating. If it touches, it will be unable to float and shut off the fuel correctly, or closed too far and not let enough in. Put the can under the float and turn on the fuel. At this point a pint a minute (1/2 liter) is good. if not, take the needle out and see if it will flow Without a needle as it should. If not pull the seat and clean the passage above the seat. if so concentrate on the float and its mechanical action with the bowl. The tang of the float to the needle, and the float drop tabs. Best of luck, Jim Hold the can under it
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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