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Kohler 25HP Missfiring at Full Throttle

Discussion in 'Landscape Architecture and Design' started by mvgerb, Jun 3, 2003.

  1. mvgerb

    mvgerb LawnSite Member
    Posts: 6

    My Gravely 260Z with Kohler 25 HP is missfiring at full throttle.
    Backfiring through the airbox. Checked carborator, plugs, air filter, and fuel filter however problem continues.
    Also had both head rebuilt, and problem began shortly thereafter!
    Runs well at half throttle. Any info would be appreciated

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