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    800 mountain cat piston failure

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    • Member since
      January, 2010
    800 mountain cat piston failure
    Posted by pitbull on Sunday, January 10, 2010 7:13 AM

    does anyone have a problem like this .third time failed top of the piston is fine sides are all scored keeps happening around 500 ks of fresh rebuild new jugs pistons and rings all electronics have been tested all come out fine tested with anmeter according to factory manual any ideas would be greatly appreciated

    • Member since
      March, 2010
    Posted by LongHorn XC on Monday, August 22, 2011 6:52 PM

    Does it happen during long midrange riding? Down a trail? These sleds are known for midrange lean, both carb and efi.

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