Kawasaki 750 X2 Swap Blown Head Gasket
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  1. #1
    I dream skis charliebabb's Avatar
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    Kawasaki 750 X2 Swap Blown Head Gasket

    Hi all, I recently built a 750 x2. The engine is a sleeper from Group K so I know I have no issues there. I broke the engine in per Group k's recommendations and the engine has been running great for about 10 hours now. I've been noticing smoke coming out of my pissers and the engine has been getting hotter than usual. Then. I notice near the PTO side spark plug its getting very oily and dirty.

    This leads to me to believe that i have a blown head gasket. However, I pulled the head and inspected the gasket and it appears to be okay?? I'm no expert but the pistons and head look good? It only has about 10 hours of use on it.. its worth mentioning that despite all of these issues, the ski has been running great.

    Any thoughts? Thanks in advance IMG_0397.JPGIMG_0396.JPGIMG_0394.JPGIMG_0392.JPGIMG_0393.JPG

  2. #2
    I dream skis charliebabb's Avatar
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    Re: Kawasaki 750 X2 Swap Blown Head Gasket

    PS: the pitting on the cylinder head was there before i had it machined from Group K, and it was still there after the process and they told me it would be no consequence to the operation of the motor.

  3. #3
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    Re: Kawasaki 750 X2 Swap Blown Head Gasket

    If the gasket was leaking you would have an interrupted pisser stream. Its normal to see smoke when running the ski out of the water or on startup in the water. Everything is fine if the pisser stream is a steady flow of water. You may need to strip all the black material from your old gasket or use a new one.
    Last edited by kweasel; 09-19-2021 at 07:40 PM.
    What exactly does the IJSBA do?

  4. #4
    PWCToday.com Is My Home Away From Home wmazz's Avatar
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    Re: Kawasaki 750 X2 Swap Blown Head Gasket

    I didn't see a blown head gasket.

    But the Group K porting can create problems with your pipe
    and impeller choice.


    Bill M.
    Horsepower == Speed, RPM != Speed



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