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Thread: 1985 atc125m rev limiter

  1. #1
    Join Date
    Feb 2021
    Location
    NC
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    10

    1985 atc125m rev limiter

    Just picked up a 1985 atc125m a few weeks ago. Does anyone know if these have a rev limiter? If so how high do they rev?

  2. #2
    Join Date
    Jul 2010
    Location
    Arkansas
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    2,196
    Why do you want to know?

    Those aren't race engines. Power drops off well before peak RPM. Rev limiters have nothing to do with peak power, they're only to prevent engine damage by people who don't know better or skilled riders who miss a shift.

    Raising the limiter on a stock engine is completely pointless.
    Last edited by ATC King; 09-17-2022 at 11:42 PM.
    The story of three wheels and a man...

  3. #3
    Join Date
    Feb 2021
    Location
    NC
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    10
    I'm not trying to raise it, I just find this stuff interesting for some reason. Nothing more than curiosity.

  4. #4
    Join Date
    Jul 2010
    Location
    Arkansas
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    2,196
    If there is a rev limiter on those engines, I've never hit it.


    That's what's wonderful about stock engines. They can be run very hard but still hold up well because they don't make enough power to hurt themselves.
    Last edited by ATC King; 09-18-2022 at 09:58 AM.
    The story of three wheels and a man...

  5. #5
    Join Date
    Jul 2009
    Location
    South Florida
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    6,722
    The rev limiter on that model is basically the camshaft , if you want it to rev higher a performance camshaft will do the trick . Megacycle used to sell them .
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