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  1. #1
    Bronze Member
    Join Date
    Mar 2012
    Posts
    95
    Location
    Sioux City IA
    Tractor
    TYM T603 52' Ford 8N

    Default MTD yardman push mower surging

    I have just recently got a free yardman push mower. It looks like it has a Honda clone engine on it. When I got it home one governor linkage was off, but nothing else looked bad on it. I put new gas in it and started it. It was surging and running rough unless the choke was on or it was under a heavy load cutting some tall grass. Is this a governor issue or a carb issue?

  2. #2
    Platinum Member
    Join Date
    Mar 2006
    Posts
    681
    Location
    BEECHER CITY, IL
    Tractor
    KIOTI DK45S

    Default Re: MTD yardman push mower surging

    Carb needs cleaned. But check the price of new carb, because kit plus time may cost more than the carb itself.
    ILLINOIS ENGINE, Beecher City, IL
    Briggs and Stratton MST (Master Service Technician)
    ILENGINE over at Lawnmowerforum

  3. #3
    Bronze Member
    Join Date
    Mar 2012
    Posts
    95
    Location
    Sioux City IA
    Tractor
    TYM T603 52' Ford 8N

    Default Re: MTD yardman push mower surging

    I cleaned the carb with carb cleaner and blew it out with compressed air over 2 times now and it still runs like crap. I think I am going to buy a new carb for it

  4. #4
    Veteran Member mostly_gas's Avatar
    Join Date
    Sep 2009
    Posts
    2,293
    Location
    Missouri
    Tractor
    in-between tractors

    Default Re: MTD yardman push mower surging

    Make sure you have good gas flow into the carb. Things like junk clogging or partially clogging the fuel line, or stick float needle valve can cause your symptoms.

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