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Thread: Surging engine

  1. #1

    Join Date
    May 2018
    Posts
    2
    Location
    Massachusetts
    Mower
    Craftsman

    Surging engine

    I have a Craftsman 25 horse Kolher. The engine is surging. Replaced plugs and fuel filter it's still surging any help appreciated.

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  3. #2

    Join Date
    May 2010
    Posts
    5,434
    Location
    Illinois
    Mower
    kioti/rhino finish mower

    Re: Surging engine

    Does the surging stop if you apply a partial choke. Or stop surging if you engage the blades. If so then you need to remove and clean the carb with special attention to the idle circuit inside the carb.
    ILLINOIS ENGINE, BEECHER CITY, IL
    BRIGGS AND STRATTON MST (MASTER SERVICE TECHNICIAN)
    Sales and Service for Dolmar/Makita, Poulan, Briggs and Stratton, Kohler, Lauson(Tecumseh, LCT), Brute, Honda, Subaru
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  4. #3

    Join Date
    Nov 2014
    Posts
    9,798
    Location
    Australia
    Mower
    Victa slashers & Push , Rover Rancher II's, Cox ( several ) & White LT120 + GT 200

    Re: Surging engine

    Step 1
    Post the mower brand & model numbers
    Step 2
    Post the engine numbers
    Step 3
    Clean the carb as per the instructions found here http://outdoorpowerinfo.com/repairs/

  5. #4

    1,000 Post Club
    EngineMan's Avatar
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    Jun 2012
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    South Wales UK
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    No mowers

    Re: Surging engine

    With surging 9 out of 10 it will be the carb...!
    "Information/Knowledge not shared will be lost for ever, I will give freely any information that will help you out, you don't have to take it, that is up to you...! and the word "thank you" will not cost you anything, so be nice sometimes and use it"

  6. #5

    Join Date
    May 2018
    Posts
    2
    Location
    Massachusetts
    Mower
    Craftsman

    Re: Surging engine

    Thanks appreciate the help. I thought that was the problem.

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