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  1. #1

    seadoo 1050 with creaked sleeves

    i had finaly my 1050 running with new novi 48 carbs, twins and a racing mpem by rotax racing.

    but now are my sleeves crackt what could happend?

    see pics
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    Last edited by joep; 08-26-2009 at 04:47 AM. Reason: more pics


  2. #2
    Quote Originally Posted by joep View Post
    i had finaly my 1050 running with new novi 48 carbs, twins and a racing mpem by rotax racing.

    but now are my sleeves crackt what could happend?

    see pics
    I'd say the piston damage is from the broken piece of skirt being chewed up by the crank and blown back into the combustion chamber, but what caused the liners to crack is beyond me.... possibly too thin? overheated?

  3. #3

    Join Date
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    it looks like you have stock sleeves which were bored out for a 1050. this was a decent setup and oringinally designed to be used with the single ring pistons which only went up to the low 92mm. since you are running a miller piston, it's at least 92.45 if not bigger . with the setup you have, it doesn't take much for the sleeves to crack as they are just very thin. get yourself some 1050 sleeves. they are way thicker but you will need to get someone to install them.

  4. #4
    Work Harder, Millions on Wellfare Depend On Us! ultramaxracing05's Avatar
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    ooouch!, yes agreed those sleeves are tortilla thin.
    check this site, maybe you could same some money, free fast shipping
    seadoo-parts.com
    good luck with the rebuild!

  5. #5
    how much ticker are 1050 sleeves?

    thanks

  6. #6

    Join Date
    May 2005
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    so cal
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    265
    I got rid of most of my 1050 stuff so I don't have one to measure but from what I can remember, it's around the same thickness as a std 951 sleeve. give Mel a call and he can give you the details.

  7. #7
    dghal's Avatar
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    I agree those sleeves are so thin at the bottom the rotating force just cracked them and then it ate the piece.. looks like it was just a matter of time..

    That really sucks... the 1050 sleeve is thicker as the jug body is bored larger as well...

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