2007 F12 Turbo Aquajet
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  1. #1
    PWCToday Newbie
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    2007 F12 Turbo Aquajet

    2007 Honda F12 Turbo Aquajet.....Is there anything electronically that controls the turbo? The turbo spins easily and is free rolling....the turbo dump valve is moving when I hook up air to the airline that runs to the actuator.....I lubed them up really good with CR526 Marine lubricant. But on the water she won't get over 5 grand rpm. Doesn't feel like the turbo kicks in at all.

    Only 38 hours on machine.

  2. #2
    PWCToday Guru NunoP's Avatar
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    Re: 2007 F12 Turbo Aquajet

    check wastgate Solenoid
    2004 F12X

  3. #3
    Top Dog west_coaster's Avatar
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    Re: 2007 F12 Turbo Aquajet

    There are a bunch of potential reasons you might be seeing reduced rpm's. Normally you should see 6000 rpms.

    Check the easy stuff first. Are the spark plugs good? Oil at the right level? Air filter clean?

    Next try to see if the turbo is working correctly. Remove the hose from the waste gate on the turbo, the ski should take off like crazy then throw a code and go into limp mode, meaning it made too much boost.

    If that happens, it's most likely the waste gate solenoid. With the ski off, remove the solenoid and see if you can blow through it. If you can, it's bad. If you can't, with it connected to the ski, start the engine and blow through it, it should be really hard to and you should feel the air slowly escaping in fast pulses.

    If all that passes, report back.
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  4. #4
    PWCToday Guru NunoP's Avatar
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    Re: 2007 F12 Turbo Aquajet

    And check if you have all the factory air hooses around the turbo.
    The one that goes to the turbo to a T and them to the Solenoid
    2004 F12X

  5. #5
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    Re: 2007 F12 Turbo Aquajet

    Hi, I hope you don’t mind assisting? I have a similar problem. I have replaced the turbo and the actuator, and was getting no more than 5000 rpms and limited acceleration and top speed. I tested the solenoid, but when connected and the engine running I was unable to blow through it and detect any air escaping or pulsing. So I bought a new solenoid, but it is behaving in exacltly the same way. Is there anything else I can do to check the solenoid or other related components which may be affecting it, as I doubt both solenoids are faulty?

    Thanks in advance.
    Curt

  6. #6
    PWCToday.com Is My Home Away From Home JR IN JAX's Avatar
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    Re: 2007 F12 Turbo Aquajet

    Unplug the tubing to the Waste Gate solenoid and see if it overboosts. You might find you have a leak inside your exhaust manifold. Make sure you did not throw away the hidden pill restrictor inside the small tube leaving the the turbo outlet and teeing to the waste gate and waste gate solenoid. without the pill restrictor you will only get 8 pounds of boost.
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