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  1. #1

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    Is this a carbon seal failure?

    Here is a video I took this morning, I assume its the carbon ring, is that usually an expensive repair? It starts spraying water at about 3600 rpm.
    Click on the attached link below to view the video
    Attached Files Attached Files
    Last edited by normr; 09-02-2013 at 04:08 PM.


  2. #2
    wotxxxsd's Avatar
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    Can't view the video...
    But if your drive shaft is spraying water then its the carbon seal.
    Price depends on who you bring it to.

  3. #3

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    yep thats a carbon leak. You could try and put more pressure on the seal by moving the accordion boot up and re clamp it

  4. #4
    Tiny's Avatar
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    That's an old 2 stroke GTX or something like that...That carbon ring would be easy to replace but I would also replace the bellows just as a piece of mind

  5. #5

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    Thanks for the replies, that link in the center gray box that says attached files isn't working for you?

  6. #6
    canuck's Avatar
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    Replace the carbon ring, bellows and C clip on the driveshaft.

    I would also check the rubber bumpers on each end of the driveshaft if the front bumper is really squished or missing it will allow the driveshaft to move forward slightly and reduce the bellows pressure.

  7. #7
    This is how I run a jetski shop in the desert nmpeter's Avatar
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    that looks the driveshaft o rings are gone, I'd just replace all the bits and maybe the stainless top hat also depending on it's inspection.

    Inexpensive bits compared to recovering a sunken ski.

    plenty of how to on that but remember..get the c-clip off BEFORE puling the pump

  8. #8
    wkuadam07's Avatar
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    I'm with the guys above, the kit with all the bits and pieces is only like $60 from SBT for the old 2 stroke boats. Get a bellows just to be cautious, i usually buy a bellows just because it's easier to remove the c-clip if i cut the old bellows off rather than fight to get the hat back to remove it. If those o rings are gone inspect the drive shaft for roughness, the hat could have spun on the shaft and caused gaulding that should be removed.

  9. #9
    flyin' the friendly skies airbornexp's Avatar
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    I would check pump/ engine alignment while I was at it....that's pretty a pretty bad failure or maybe just long term neglect?

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