vibration
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vibration

  1. #1
    Junior Member
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    Sep 2012
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    Bullhead City, Rancho Cucamonga
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    Default vibration

    I have a Advantage 20.5 classic with a 468 bbc fresh motor and a rebuilt berkley i seem to get a vibration starting bout 4000 rpm. Any ideas? My buddie checked it, he said it feels like the pump. I believe it could be transferring from the motor, but really have no idea how to check. It feels fine at lower rpm

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  3. #2
    Senior Member jetboatperformance's Avatar
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    Dec 2007
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    Atascadero Calif
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    7,463

    Default

    When does the 4k vibration occur (eg under load driving ? etc) was the problem there prior to the jet and engine rebuilds , more info would help , chain of events ? ...

  4. #3
    B1 Racing cs19's Avatar
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    Dec 2007
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    6,523

    Default

    Could be a variety of things, debris in the pump is an easy thing to look into.
    B1Racing.net

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