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  1. #1
    Seakid's Avatar
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    2003 seadoo xpdi only go 30-40 mph

    Just like title said. The compression 149/150 and wear ring looks good but not go over 40 mph. (No main light on) and I use correct di oil not two strok oil like previous owner put in and gave up then sold to me.


  2. #2
    actis's Avatar
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    I would check the fuel pressure and then the air pump.

  3. #3
    Seakid's Avatar
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    What fuel pressures supposed to be? And air?

  4. #4
    I want to say fuel pressure should be 107 when running on a DI

  5. #5
    Seakid's Avatar
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    Okay newbie with di engine how do I do that? I got fuel pressures gague.

  6. #6
    Myself's Avatar
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    The fuel fittings on the pressure side of the DI are quick connects. A gauge with adapters can probably be rented at an auto parts store. My first guess would be clogged fuel filters cause they've probably never been changed.

  7. #7
    LVC's Avatar
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    What revs are you running - does it max out at the correct 7k ?

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