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  1. #1
    PWCToday Newbie
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    2007 ultra 250x new engine ?

    So I am picking up this 2007 ultra 250x with blown motor for $500. Hole in crank case, by top half at rear piston ...rear piston damage as well, cylinder wall has gash in it ....no head damage.
    Some fiberglass damage on left side not bad.
    Where is a good place that rebuilds these or best options for me. Everything is there torn just torn apart.
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  2. #2
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: 2007 ultra 250x new engine ?

    May sound like a good deal till you start adding up stuff that does go bad.....intercooler-$2054.00 & supercharger at $2004.00.....I would say pass,not a good deal.

  3. #3
    Top Dog aggrovated's Avatar
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    Re: 2007 ultra 250x new engine ?

    no one will want to rebuild this ski, too much trouble... not worth it.
    Build it yourself.. expect to pay at least $4000 rebuilding it. I know I did it. Also, That's a bad year for a 250x.. lots of inherent problems... check out greenhulk.net.. a 250x hangout
    Last edited by aggrovated; 10-22-2017 at 09:12 PM.

  4. #4
    PWCToday Newbie
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    Re: 2007 ultra 250x new engine ?

    So sbt I believe rebuilds for $2000 something to look into doing

  5. #5
    PWCToday.com Is My Home Away From Home freekstyle's Avatar
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    Re: 2007 ultra 250x new engine ?

    Yes, for the short block. They will charge you retail for the cases and cylinder damage on top of that. You will be into it more than the ski is likely worth.

  6. #6
    PWCToday Newbie
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    Southern NY
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    Re: 2007 ultra 250x new engine ?

    The costs add up fast. Just went thru this on a non-boosted engine replacement. Couldn't believe what just the bearings went for. Just doesn't seem right.

    Built a 502 BBC for my Chaparral SX boat for not much more than the little 4 bangers cost.
    Last edited by 04fxdwgi25; 10-23-2017 at 04:21 AM.

  7. #7
    PWCToday Newbie
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    Re: 2007 ultra 250x new engine ?

    How much just for engine .. then upgrade shaft to 2011

  8. #8
    PWCToday.com Is My Home Away From Home Myself's Avatar
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    Re: 2007 ultra 250x new engine ?

    Quote Originally Posted by aggrovated View Post
    no one will want to rebuild this ski, too much trouble... not worth it.
    Build it yourself.. expect to pay at least $4000 rebuilding it. I know I did it. Also, That's a bad year for a 250x.. lots of inherent problems... check out greenhulk.net.. a 250x hangout
    Expect at least this much if doing it yourself. I did one earlier this year. Figure in the KP Performance pump upgrade kit too.
    http://www.facebook.com/twinlakesjetskirepair

    '89 Kawi 650SX 42.4 GPS
    +3" stock pipe, ported ex. manifold, drilled waterbox, blueprinted pump, Ocean Pro ride plate

    '99 Yama GP1200 65U 61.8 GPS
    ported cylinders, matched cases, milled head, blueprinted pump, long ride plate

    '96 Seadoo HX 717 53.13 GPS
    light porting, massaged cases, lightened flywheel, port matched manifolds, Rossier pipe, stubby pump cone

  9. #9
    PWCToday Newbie
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    Re: 2007 ultra 250x new engine ?

    So it would be better to buy it for $500 and part it out probably?

  10. #10
    PWCToday.com Is My Home Away From Home Grumpy Old Guy's Avatar
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    Re: 2007 ultra 250x new engine ?

    Thats if anything is still good....

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