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  1. #1

    Join Date
    May 2012
    Posts
    1
    Location
    Ohio
    Mower
    Toro

    Toro Tecumseh hard to start, runs about a minute then slows and stalls

    I have a 2008 Toro personal pace rear whl drv. with a 6.5 hp Tecumseh . Replaced everything in the carburator incl. the primer bulb but it still won't start unless you spray starting fluid or gas in the cylinder. Once it starts it runs for about a minute then very slowly loses rpm and then stalls. However, if you manually hold the throttle all the way open so the engine runs faster for about 3 minutes then it will run just fine until the cows come home. You can shut it off empty the bag refill the tank, whatever, and it will start right up and run normally until the next time. Once it's cold, same thing all over again. Is there anything besides the carburator that could cause that? The gas cap breather is fine, fuel ines are clean and unobstructed. Needle and seat replaced twice.

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  3. #2

    Join Date
    May 2012
    Posts
    3
    Location
    Illinois
    Mower
    LT 1000

    Re: Toro Tecumseh hard to start, runs about a minute then slows and stalls

    1. Clean the carb, all the little holes.
    2. Run some sea fome though it
    3. Replace the gasket between the carb and primer buld, this happend to me, a craftsman with a brigs last summer. Did that and it all ran fine. Just dont losse the govener spring like I did. :)

  4. #3

    Join Date
    Mar 2012
    Posts
    5,283
    Location
    Wisconsin
    Mower
    Toro

    Re: Toro Tecumseh hard to start, runs about a minute then slows and stalls

    Around the primer bulb, is it metal or plastic? Should be metal. When you replaced the primer, you have to make sure that it is seated properly or it will not prime right and you will get an air leak which won't go away until the engine warms up. Look into the air horn and push the primer, do you see gas squirting up out of the nozzle?

  5. #4

    1,000 Post Club
    Briana's Avatar
    Join Date
    Jul 2010
    Posts
    1,550
    Location
    California
    Mower
    Looking to Buy :)

    Re: Toro Tecumseh hard to start, runs about a minute then slows and stalls

    Welcome to LawnMowerForum!

    I moved your thread to the Toro/Wheelhorse forum.

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