SBT Jetski Engines, Parts & Accessories

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  1. #1
    Joined
    May 2001
    From
    odessa, FL
    Posts
    75

    Default 94 750 Super Sport XI Exhaust Leak

    Any suggestion on Exhaust Leak Problem. I can't seem to stop the leak at the muffler on top of the engine I replace the GASKET, EXHAUST MANIFOLD, the Rubber Tube and it still leaking slowly, is there any solution to this problem? any help will be appreciated.

  2. #2
    Joined
    Mar 2003
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    SBT
    Posts
    21,555

    Default Re: 94 750 Super Sport XI Exhaust Leak

    Take the pipe and manifold to a machine shop and have the surfaces lapped.
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  3. #3
    Joined
    May 2001
    From
    odessa, FL
    Posts
    75

    Default Re: 94 750 Super Sport XI Exhaust Leak

    What’s a surface lapped? Is there a machine shop in the area you recommend?

  4. #4
    Joined
    Jun 2004
    From
    Spring Hill, Fl.
    Posts
    149

    Thumbs up Re: 94 750 Super Sport XI Exhaust Leak

    You can also try a product called Marine Tex. It is a two part epoxy that is similar, but WAY, WAY better than JB Weld. I have filled stipped out threads in aluminum block, drilled, and re-tapped: They are still holding after three years-- so I highly reccomend the stuff. Although I am personally boycotting them, (they support those bastards at the BWN) I know West Marine carries it. Any other marina should too. Apply and sand down. Alot cheaper than a machine shop. Rob
    P.s. Where is it leaking exactly? Between the flex joint and the intermidiate pipe? or the flex joint and expansion chamber? Have the exact same ski and may have some spare exhaust parts for sale. Have to check my storage unit first.
    ride it like you stole it

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