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  1. 08-01-2011, 03:00 PM #1
    bayviewbob
    bayviewbob is offline
    Join Date
    Aug 2011
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    1
    Location
    Massachusetts
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    John Deere

    John Deere L120 issues

    Hi all,
    I ahve an L120 which once it heats up (10 mins or so) starts to surge and seems as though it is starving for fuel or air. If mower is engaged it will stall. It will also backfire. Some people have suggested coil. Thanks in advance for your answers.
    Best Regards,
    Bob
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  3. 08-01-2011, 04:22 PM #2
    ILENGINE
    ILENGINE is offline

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    May 2010
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    Illinois
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    kioti/rhino finish mower

    Re: John Deere L120 issues

    Have seen issues with some of the briggs twins with the plastic intake manifold warping when it gets hot causing an air leak between the carb and the intake manifold. some have the plastic and others have an aluminum intake so that may not be it.

    Have also seen the fuel pump quit pumping fuel after they run for a few minutes
    ILLINOIS ENGINE, BEECHER CITY, IL
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    Sales and Service for Dolmar, Poulan, Briggs and Stratton, Kohler, Lauson(Tecumseh, LCT), Generac, Brute.
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  4. 08-01-2011, 08:15 PM #3
    mullins87
    mullins87 is offline
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    Oct 2010
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    372
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    Kentucky
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    John Deere

    Re: John Deere L120 issues

    I just replaced one of the ignition coils on my dad's L120 last month. It would run fine for a little while, then start popping out of the exhaust.
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