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Carburetor leaks after engine is shut off

Murray 12.5 hp engine model 287707 type 1272-E1 38" cut 970910ZA gas continues to flow into carburetor after engine is shut off. gas won't shut off. continues into engine until engine is flooded.

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Your carbs bowl float is sticking allowing the gas to continue to flow when the engine is not running.And if you say it is ruining into the engine..check the oil for the presence of gas..if so change the oil,oil filter and remove the plugs and cover the tips to stop spark..turn the engine over to blow gas from the cylinders using a rag to catch the to the fix..either take the carb apart and clean all the parts but there is no way to know if this will happen again..this has happened to my Husky. The best and easy fix is to install a inline fuel shutoff valve..where you can get at it easily...Just shut it off and let the engine use up the carb fuel..and when you start it again turn on the shut off valve let it set until the carb gets full about ten seconds..then start the engine...just got to rmember to do this every time you shut it well for me...good luck.

Posted on Oct 10, 2014


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I have a 14.5 HP Intek OHV model 287707 that started blowing gray smoke out of the exhaust after running a couple minutes, then it dies but starts right up again. Also, the oil smells like gas. No...

Yes it is a carburetor problem. The float and needle are stuck open and it is flooding fuel into the crankcase. That is why your oil smells like gas and you have gray smoke. I will bet that it is hard to determine the exact oil level on the dipstick.

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Carburetor problem on Craftsman 14.5 HP B&S motor 287707 on a model 917.270510 yard tractor. When the motor is started, it will only run from 10-30 seconds before cutting out. I think the float in...

The switch you are talking about is an anti-after-run solenoid. It shuts off the fuel flow when you turn off the key switch.
To check its operation is easy, turn the key on and off a couple of times and listen for a click, if you don't hear it, hold the switch between your thumb and forefinger to see if you can "feel" it click on and off.If you neither hear or feel the switch working, you will need to use a test light or meter to check to make sure it is getting voltage to it to make it operate.
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