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  1. #11

    Join Date
    Sep 2012
    Posts
    15
    Location
    Indiana
    Mower
    John Deere

    Re: LX277 Mower engine surging

    Quote Originally Posted by Rivets View Post
    Please post engine model numbers.
    The engine is an air cooled, Kawasaki FH500V, 494cc, 17HP VTwin OHV.

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  3. #12

    Join Date
    Sep 2012
    Posts
    15
    Location
    Indiana
    Mower
    John Deere

    Re: LX277 Mower engine surging

    Quote Originally Posted by Rivets View Post
    I am still suspecting fuel pump or pulse line. Please post engine model numbers.
    The fuel pump was already replaced.

  4. #13

    Join Date
    Mar 2012
    Posts
    5,306
    Location
    Wisconsin
    Mower
    Toro

    Re: LX277 Mower engine surging

    If you can find no air leaks, I would take a look at your valve clearances. They may be to tight, where when the engine gets hot the valves expand and stay open too long.

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