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Thread: Carbon Ring

  1. #1

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    Carbon Ring

    How long is a carbon ring good for in hours? Im at 70 and was wondering if I should replace it?


  2. #2
    I wouldn't worry about it unless it's leaking. That is unless you have it tore apart for some other reason... I just did it on mine, it's not too bad of a job if you have the tools/parts.

  3. #3

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    I am taking the shaft out any ways. It seeps water from the power. It pulls the boot back some on holeshot.

  4. #4
    Moderator Snoman's Avatar
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    Quote Originally Posted by Speed_Freak_039A View Post
    I am taking the shaft out any ways. It seeps water from the power. It pulls the boot back some on holeshot.
    Wish i had all that power..LOL....Does it still do it after we did the driveline mod???

  5. #5
    home of the dislexic fingers breon's Avatar
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    the carbon ring is probably fine at 70 hours...your boot has probably lost some tension....replace it..they are cheap.....you can grind the lip off the carbon seal..that is inside the boot and stick the carbon seal it out a couple of mm..and slide the boot as far forward as you can on the fiberglass fitting at the rear and still get the clamp on not riding on the lip...that will put the max tension on it you can ..it will help with cavitation....ect..

  6. #6
    Richieb's Avatar
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    A good way to see if the ring is on its way to the next life is to look for a black line running out from the driveshaft on the inside of the hull near the seal.

    You will notice a line running outward, perpendicular to the shaft. If this is there, the ring is wearing.

    Do like Breon says, apply more tension to the faces, it works well.

    We had one here leaking badly, the ski was taking water on board at the river side. We moved the bellows forward, and spaced it off with Zip-ties, and put a few loosely around the bellow low points to stop it backing off.... it ran until the ski was blown.

    To be sure, do the measure of the bellows while in there, as it gets shorter over time, and looses pressure on the faces.

  7. #7
    Moderator Snoman's Avatar
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    Put your O-rings in there...Then youll be fine...

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