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  1. #1
    saboaua's Avatar
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    2007 Seadoo Speedster 150 ECU Replacement

    I need some help to determine which ECU i will be needing as the label is gone. I have a 2007 Seadoo Speedster 150 215HP on the body, but the engine doesn't have the supercharged and the engine cover has also supercharged written. Is it possible that the supercharged was removed and never placed back. How can i determine which is the correct ECU for mine boat?


  2. #2
    wotxxxsd's Avatar
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    Cool

    Sounds like somebody put a 155hp motor in it. In that case you'd need to know what year its now set up with. They might have changed all the electronics to fit that 155hp motor. A rotax 1500cc without a charger is a 155hp.
    I've seen this on skis also. Where its a 04 hull but all electronics and motor were 08.
    Any reputable ski repair shop should be able to tell you what year the drive train is. There should also be a vin # plate on the motor and the last 2 digits will tell you what year the motor is.

    Welcome aboard the Hulk!!!

  3. #3
    Quote Originally Posted by saboaua View Post
    I need some help to determine which ECU i will be needing as the label is gone. I have a 2007 Seadoo Speedster 150 215HP on the body, but the engine doesn't have the supercharged and the engine cover has also supercharged written. Is it possible that the supercharged was removed and never placed back. How can i determine which is the correct ECU for mine boat?

    If it will communicate with a diagnostic tool, you could read it and see what it is...

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  5. #4
    saboaua's Avatar
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    I asked the guy that has the diagnostic tool, he mentioned to me that he can't get that information. My question is if they can still eliminate the supercharged and still use the same 4 tec engine?

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  6. #5
    saboaua's Avatar
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    Thanks. I found out that the owner changed it to non sc engine from 06. Could the swap be possible without changing the current electronics?

  7. #6
    Could have but doubtful, it would not run well. You would need a 155 ecu.

  8. #7
    Water4fire's Avatar
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    Yes, it could be, but what did he change or not change? It has all the same sensors.

  9. #8
    saboaua's Avatar
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    2007 Seadoo Speedster 150 ECU Replacement

    They only swap the engine and used everything of sc. I removed the injectors and found that it was for 215hp engine.

    The only used ecu i can find is 664133, would this work with the engine?

  10. #9

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    You've gotta plug into buds and it should come up with the info needed to get correct information for your electronics

  11. #10

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    Quote Originally Posted by saboaua View Post
    They only swap the engine and used everything of sc. I removed the injectors and found that it was for 215hp engine.

    The only used ecu i can find is 664133, would this work with the engine?
    an 06 or 07 155 seadoo ecu is most likely what you are looking for. If there is no mpem, an 08 09 155.

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