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  1. #1
    dsteinmann's Avatar
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    Rebuilt super charger

    I had a touchdown and got a used stock wheel, Not sure if it was like this before or not, but There seems to be a little vibration in the upper RPMs on the super charger if you put your hand on it and rev.

    What you think


  2. #2
    Site Admin Green Hulk's Avatar
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    I think the vibration you are feeling is normal vibrations coming thru the engine/supercharger.

    If you put your hand on any seadoo supercharger when revving the engine you are going to feel some vibrations.

  3. #3
    wkuadam07's Avatar
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    Wouldn't a "touchdown" bend the charger shaft? If that shaft is bent it's gonna shake...
    On the other hand, i totally agree with Jerry.. it's attached to a running motor man, it's gonna shake...

  4. #4
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by wkuadam07 View Post
    Wouldn't a "touchdown" bend the charger shaft? If that shaft is bent it's gonna shake...
    On the other hand, i totally agree with Jerry.. it's attached to a running motor man, it's gonna shake...

    Not always, a bearing will fail before the shaft bends. The shaft normally bends when a bearing fails.

  5. #5
    dsteinmann's Avatar
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    I replaced Everything But the housing, Seems like it feels like its off balance around 6k

  6. #6
    Moderator Snoman's Avatar
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    Quote Originally Posted by dsteinmann View Post
    I replaced Everything But the housing, Seems like it feels like its off balance around 6k

    You sure you dont have a bad motor mount??IF the Scer is vibrating,wouldnt the whole engine vibrate seeing its attached to the motor??


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