2008 Ultra 250X water in the oil
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  1. #1
    PWCToday Regular nvdafreek's Avatar
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    2008 Ultra 250X water in the oil

    Hi. I bought a 2008 ultra 250X with a spin crank bearing and water in the oil. I rebuilt he engine and ran it for about 10 minutes when I noticed water in the oil again. I did notice when i tore it down a cracknin the head. I saw a kawa video where the crack I have is ok. Any idea where else water can be getting in? I also inspected the cylinders and donít see damage.

  2. #2
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: 2008 Ultra 250X water in the oil

    The intercooler is probably bad pushing water into the motor thru the intake.

  3. #3
    PWCToday Regular nvdafreek's Avatar
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    Re: 2008 Ultra 250X water in the oil

    Thought of that too. I sealed it all off and pressure tested it. It held pressure. Iím going to make a gasket to replace the head gasket and the exhaust gasket. That way I can pressure test the head and cylinders seperately.

  4. #4
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: 2008 Ultra 250X water in the oil

    Look for water trails in the intake hose.

  5. #5
    PWCToday Regular nvdafreek's Avatar
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    Re: 2008 Ultra 250X water in the oil

    After I found the problem I went back on a Facebook forum and saw a reply to my post. This is a common problem for the 250X and 260x. Right between the #2and #3 cylinder.

  6. #6
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: 2008 Ultra 250X water in the oil

    What are we looking at ??

  7. #7
    PWCToday Regular nvdafreek's Avatar
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    Re: 2008 Ultra 250X water in the oil

    That is the mounting bolt hole #2 in the torque sequence. It’s between #2-#3 cylinders. The fix for this is replacing the head with a ultra300x cylinder head.
    Last edited by nvdafreek; 02-01-2019 at 11:29 AM.

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