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  1. #1

    Join Date
    Jun 2012
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    Mechanicsville, Va
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    3

    01 RX Di burnt #2 piston.

    ski has 122hrs was fine then out of nowhere it died! pulld it down and found #2 piston burnt, hole in skirt on the exh side of piston. top corner of piston damaged/burnt, top ring has half of it missing. any ideas?


  2. #2
    This is how I run a jetski shop in the desert nmpeter's Avatar
    Join Date
    May 2008
    Location
    Elephant Butte New Mexico
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    6,531
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    welcome aboard the GH

    ah...get out the wallet or start calculating a second mortgage. At the leastest get a read on the mpem to see what's been going on. could be a dozen different things.

    if you haven't been using good quality snthetic oil and back flushing the cooling system now and then....

    don't just toss some new stuff in there without having a pretty good idea why you had a melting.

  3. #3

    Join Date
    Jun 2012
    Location
    Mechanicsville, Va
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    3
    i use the synthetic seadoo oil...the #1 piston looks ok...kinda lost. looks like i need to pull the lower half out of the ski and get all of the trash out...

  4. #4

    Join Date
    Jun 2012
    Location
    Mechanicsville, Va
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    3
    im thinking i broke a ring and all hell broke lose... the ring was eating away at the edge of the rave valve.

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