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KT17 II Fuel Pump - Rebuild or Replace

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I've read several times that replacing the mechanical fuel pump with an electric pump is a fast and easy fix for this problem. Since I am only running Briggs engines w/ gravity fuel feed I have no direct experience......

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Confirm the fuel pump is the problem before you replace it. A carburetor problem can also permit fuel to enter the crankcase. Just yesterday, my KT17 had over one gallon of fuel in the crankcase (again). I forgot to turn off the inline shut-off valve when I parked it, and I haven't investigated and fixed the carb problem yet. On mine, sometimes the float needle valve permits fuel to overflow into the manifold, into the cylinder(s), leak past the rings, and into the crankcase. Apparently my 7117 will siphon fuel from the tank without the engine running. That's why it's a good practice to always check oil level before you start the engine.

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