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Thread: Firebolt XB9R 2003 engine issue

  1. #1
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    Unhappy Firebolt XB9R 2003 engine issue

    I bought a XB9R, and when on the run, it makes a hiccup for a fraction of a second when accelerating, and then the engine powers up again. Any suggestions, it seems to be a well known issue. Someone said to replace the sensor, but which one (temperature, O2, ASM...?) Thanks
    Last edited by pauloj; 04-30-2018 at 12:34 PM.

  2. #2
    Senior Member lunaticfringe's Avatar
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    it is NOT a "well-known" issue. before you start randomly throwing parts at it let me ask you a few questions:
    1-do you have the factory service manual for it?
    2-have you ever worked on a buell XB?
    3-how heavily is it modded? most all are.
    4-have you checked your ecm(engine control module/computer) for any stored fault codes?
    5-do you have an active or random CEL? acronym for check engine light.
    answer above and i'll provide suggestions and solutions.
    here's your free #1 if answer is no. http://buellmods.com/

  3. #3
    Senior Member lunaticfringe's Avatar
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    guess we'll never know.

  4. #4
    Junior Member TyMcFly's Avatar
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    Quote Originally Posted by pauloj View Post
    I bought a XB9R, and when on the run, it makes a hiccup for a fraction of a second when accelerating, and then the engine powers up again. Any suggestions, it seems to be a well known issue. Someone said to replace the sensor, but which one (temperature, O2, ASM...?) Thanks
    Check your battery connections if you haven't

  5. #5
    Member herwawan's Avatar
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    I'd be curious to see the development of this. I have a similar issue, and I am currently following the lead of an electrical issue. Make sure to provide enough information as requested by lunaticfringe so we can help you out more!

  6. #6
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    I'd be looking at the kick stand and clutch switches.



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