Question about Craftsman 20 hp 42 in. Deck Lawn Tractor - CA Model

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Stalling while mowing

While mowing my riding lawn mower will begin to hesitate. Most of the time it will begin to move again after a second or two. However, it will occassionaly shut off. What could be the issues?

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There is verfy possibly a fuel restiction in the carb. Many times the particles in the carb float bowl are restricting the fuel flow past the needle valve. I would advise adding some carb cleaner to your gasoline. The other possibility could be a loose carb or carb gasket which would cause a loss of suction through the carb and this would decrease the fuel draw. Soooo if the carb float bowl is the suspect. FIRST you will need to turn off the fuel supply. If no valve is avail, find a bolt or some object that will work to plug the fuel hose when it is removed from the carb you will need to grab a small bowl to catch the fuel when you remove the bolt holding the float bowl. Carefully and I mean gently remove the bowl (sometimes the bowl is slightly sticking and needs a slight bump)and see that the operation of the float moves up and down with no restriction of movement. See if there is any dirt in the bowl. wipe the bowl inside to remove dirt. Carefully reassemble. MAKE SURE no fuel is leaking or spills are in the area. Fire on the outside of the engine is not the prefered method!!!.

Posted on Apr 25, 2010

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