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Thread: Stx f12

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    Stx f12

    Iím new the jet ski world and looking for a project.... I found a guy that is selling a 2006 stxf12 he says it just needs battery and intake put back on he is asking 300.00 for it.... Is this a good ski anything I need to look for.... Worst case options??

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    steve45's Avatar
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    Welcome aboard, Jsharp!

    Probably not a good deal. A 'Ski like that in reasonably good condition should sell for a lot more than that. Generally, when you buy one that isn't running, there's a reason--there is something seriously wrong with it. If it had been running well, why would he take the intake (whatever that means) off?

    That said, you said that you're looking for a project. This sounds like a project. Keep in mind that parts for these things are rather expensive.

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    Intake off makes me think it was sunk and he was trying to get the water out, or was trying to inspect for broken valves. Neither will be cheap or easy to fix.

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    Take the time to smile sirbreaksalot's Avatar
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    Quote Originally Posted by Jsharp View Post
    I’m new the jet ski world and looking for a project.... I found a guy that is selling a 2006 stxf12 he says it just needs battery and intake put back on he is asking 300.00 for it.... Is this a good ski anything I need to look for.... Worst case options??
    worst case potential is approx. 5-7K in parts

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    I just did an '07 basket case STX 12f this past winter. Didn't cost me any where near $7k

    Had to replace entire engine (installed a zero hour engine), jet pump (rebuilt), wiring harness and dash cluster (was a refurb unit) and am into it for just around $3k mark.

    The parts are out there for not too insane prices, but one must be patient and do a ton of research. If you do the work yourself, it takes a while, but saves a bundle.

    Mechanically / electrically mine is all like new and it now runs just like a zero hour 12f would be expected to run, but it's in a "mature" '07 hull.

    If I was looking for a 12f project boat and the hull is in good shape, I would be on that $300 boat like a duck on a June bug. Only thing I would do different on a 12f rebuild that needs a motor, would be install a 15f motor instead of the 12f one. That conversion would only need to change the ECU and the Pump impeller, along with the motor.
    Last edited by pops; 09-15-2018 at 01:56 AM.

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    steve45's Avatar
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    Quote Originally Posted by pops View Post
    I just did an '07 basket case STX 12f this past winter. Didn't cost me any where near $7k

    Had to replace entire engine (installed a brand new engine), jet pump (rebuilt), wiring harness and dash cluster (was a refurb unit) and am into it for just around $3k mark.
    OK, where did you find a 'new' engine for under $3K?

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    Quote Originally Posted by steve45 View Post
    OK, where did you find a 'new' engine for under $3K?
    Like I said, a bunch of research and being patient. Stuff is out there.

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    steve45's Avatar
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    Quote Originally Posted by pops View Post
    Like I said, a bunch of research and being patient. Stuff is out there.
    So, did you buy a brand new genuine Kawasaki engine? Or did you buy an SBT rebuilt engine? Or did you buy a low-time engine from a wrecked 'Ski?

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    Take the time to smile sirbreaksalot's Avatar
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    buying second hand shit Isnt a true potential cost to repair..... because it is likely that the replacement part fails days later..........
    then if you cant do the labour ….. well your done before you start...

    Buying new OEM is where my price comes from..

    build an engine NEW with OEM parts
    heck one of the SBT ( POS ) reman engine are $2300 rebuildable exchange bases
    and replace a heap of electricial because it was a salt water corrosion ball , you will soon be north of 5k

    then start with NEW pump/cable/etc and very soon its better to buy a new ski

    Obviously you wouldnt spend anymore tha a few K on an old 12f , as its only worth 3-4k on a good day...on a good trailer

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    Quote Originally Posted by steve45 View Post
    So, did you buy a brand new genuine Kawasaki engine? Or did you buy an SBT rebuilt engine? Or did you buy a low-time engine from a wrecked 'Ski?
    zero hour (not SBT) engine. Was at right place at right time, I guess.

    That's why I didn't do a rebuilt 15f engine install, because I got a great deal on this 12f one .
    Last edited by pops; 09-15-2018 at 01:57 AM.


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