help piston trouble...
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Thread: help piston trouble...

  1. 17-11-2006 08:07 PM #1
    chookc
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    Cool help piston trouble...

    Ok thoughts on what may be wrong please....

    1050 fuel injected two stroke seadoo... have done two front pistons in one week...

    Now their is a nice hole top dead centre of the piston about the size of a five cent peice blown neatly thru the top oof piston....

    EGT are within range and 50 of each other front being cooler...

    Fuel mapping is same for both cylinders..

    Now engine ran fine two months then did first front pistron...


    replaced and after only 5 minutes of racing time second front piston blown..

    Rear piston is perfect colours and burn patterns... Front piston has not scored sides either

    running br8es11 plugs in the former rxdi engine shell with modifed fuel rail...


    Alaso running autronics etc..

    thoughts please

    craig...
    Last edited by chookc; 05-03-2007 at 06:31 PM.
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  2. 17-11-2006 09:05 PM #2
    dips#^t
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    Wink

    N/a.................
    Last edited by moderator; 21-11-2006 at 02:15 PM. Reason: "RIDICULOUS COMMENTS"
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  3. 18-11-2006 12:21 AM #3
    Slasher
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    Cheaper to buy a RXP ........

    JET SPORT WEST
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  4. 18-11-2006 01:58 PM #4
    Jetski Joker
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    good call AL..... are you changing your XP to a RXP too....

    Craig want to go fast....check out the new KAWA Supercharge.......

    Harry
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  5. 18-11-2006 04:55 PM #5
    chookc
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    Yeah when I said thoughts please I was hoping for some helpfull and constructive thoughts on the problem not some smart a.. answers.....
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  6. 19-11-2006 10:22 AM #6
    chookc
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    Obviously dipshit has no idea what he has read in this post and is of no benifit to this thread. Rxp's are not the be all and end all of jetskiracing... buy and rxp and mod it to turn as well as my ski and achieve the same speeds et c etc and I would have had to have spent in excess of 10 g's more than i have now so i don't think i am the smart ass i think you are dipshit by name dipshit by nature...
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  7. 20-11-2006 11:11 AM #7
    dips#^t
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    N/a.....................
    Last edited by moderator; 21-11-2006 at 02:05 PM.
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  8. 20-11-2006 05:39 PM #8
    Slasher
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    Thumbs up

    looks Like both of you Guys need to take it out on the Race Track , please remember this is a friendly Forum .... so lets keep like that

    JET SPORT WEST
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  9. 20-11-2006 10:18 PM #9
    moderator
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    Come on guys keep it clean please!

    We built this forum for all of you to help each other solve problems and discuss the latest and greatest.

    So please get behind each other and help.

    If you wish to vent frustration here is not the place.
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  10. 21-11-2006 06:10 PM #10
    chookc
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    We built this forum for all of you to help each other solve problems and discuss the latest and greatest."

    no problems ere....

    I just after some of that info....
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