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Why does my engine hunt?

Discussion in 'Landscape Architecture and Design' started by Dafan6891, Aug 15, 2004.

  1. Dafan6891

    Dafan6891 LawnSite Member
    Messages: 15

    Why does my mower hunt when I put Hi-Lift blades on it? I have a 52" Scag with 17hp Kawi engine, hydro. It's an older model but the engine is fairly new. When I bought it used I changed the air filter, fuel filter, oil and filter and both plugs. It runs fine with Gators, but for some reason not with Hi-Lifts. I didn't fiddle with any adjustments on the engine yet. I don't have a tach to see how fast the engine is running. Maybe it's not at full rpm??Thanks
  2. General Grounds

    General Grounds LawnSite Senior Member
    Messages: 902

    :blob3: dave soundslike your govenor isnt functioning right, this is a common problem with kawis, also if your rpms are too high this may cause it. rpms should be about 3500-3700.

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