Question about Tecumseh Lawn Boy Push Mowers Insight Silver Powered Series - Sens - A - Speed Walk Behind Mower - 10685

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Engine won't start . Pour gas in cylinder it starts then quits.

I have a Silver Series 4.5 HP Lawn Boy. Model # 10301 2 stroke. If I pour gas in the cylinder it starts, runs for a few seconds and then quits. If I do get it running, I have to tilt it sideways to keep it running. If I set it down too fast it stalls. It will continue to start while I am there but after it sets awhile it won't start. Thank you, Lou

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  • bootsreg May 29, 2009

    So far its starts on one to three pulls.But getting the choke adjusted is tricky.

  • bootsreg May 29, 2009

    So far its starts on one to three pulls.But getting the choke adjusted is tricky.

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Hi lou. your carbeurator is gummed up. It will need to be removed, soaked in carb cleaner for three hours and then rebuilt using the correct kit.

if you are not familiar with how to do this i recommend that u have it done by a lawn mower pro

Posted on May 28, 2009

  • Joe Hogan May 30, 2009

    I would use a carbeurator cleaner which you add to your gas, like seafoam, available at most auto parts stores. one ounce per gallon. This will clean your carb and keep it clean.



    if this doesn't improve soon though, I would recommend that a new carbeurator kit be installed for your carb.

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