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    handmedown's Avatar
    handmedown Posts: 3, Reputation: 1
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    #1

    Aug 11, 2008, 12:39 PM
    Flooding briggs and stratton engine
    I have a 14.5 hp Briggs and Stratton engine in an MTD lawn tractor. The fuel is flooding the engine and comes out through the exhaust if not started immediately. If the fuel is not thoroughly drained after each use the remaining gas in the float bowl leaks through to the crank case. Can you help me diagnose this problem?
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #2

    Aug 11, 2008, 01:42 PM
    The fuel valve is stuck. Disassemble the carb and clean with carb cleaner.

    Probable cause: Fuel stored in the engine for longer than a couple of months without a fuel stabilizer.
    Northern Mike's Avatar
    Northern Mike Posts: 44, Reputation: 4
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    #3

    Aug 13, 2008, 12:33 AM
    I agree with kiss.
    Mike
    handmedown's Avatar
    handmedown Posts: 3, Reputation: 1
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    #4

    Aug 19, 2008, 07:23 AM
    Quote Originally Posted by handmedown
    I have a 14.5 hp Briggs and Stratton engine in an MTD lawn tractor. the fuel is flooding the engine and comes out through the exhaust if not started immediately. If the fuel is not thoroughly drained after each use the remaining gas in the float bowl leaks through to the crank case. can you help me diagnose this problem?
    What is the electrical wire at the bottom of the float bowl for? How do I remove the float bowl?
    KISS's Avatar
    KISS Posts: 12,510, Reputation: 839
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    #5

    Aug 19, 2008, 08:05 AM
    It's a fuel cut solenoid. It forces the fuel valve closed when off.

    Home - Briggs & Stratton usually has available the diagram for you engine, so you can see all of the parts. You'll need the model and code numbers from the blower housing. They are usually stamped and difficult to read.

    Parts & Accessories | Shop & Find Lawn & Garden, Appliance Parts at Sears Parts Direct | SearsPartsDirect.com from Sears may also have the diagram, you;ll look it up by lawnmower model.
    handmedown's Avatar
    handmedown Posts: 3, Reputation: 1
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    #6

    Aug 19, 2008, 08:09 AM
    Quote Originally Posted by handmedown
    I have a 14.5 hp Briggs and Stratton engine in an MTD lawn tractor. the fuel is flooding the engine and comes out through the exhaust if not started immediately. If the fuel is not thoroughly drained after each use the remaining gas in the float bowl leaks through to the crank case. can you help me diagnose this problem?
    I assume the nut between the solenoid and the base of the float bowl is used to remove the float bowl. It was really tight so I did not want to force it. Could the solenoid not be working and therefore causing the flooding?
    tilt1's Avatar
    tilt1 Posts: 2, Reputation: 1
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    #7

    Jun 2, 2010, 07:09 PM
    When you turn the key on, the solenoid should click if OK. Replace the needle valve, even if the rubber looks OK. I had this happen twice before.
    tilt1's Avatar
    tilt1 Posts: 2, Reputation: 1
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    #8

    Jun 2, 2010, 07:09 PM
    When you turn the key on, the solenoid should click if OK. Replace the needle valve, even if the rubber looks OK. I had this happen twice before.
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