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Buellxb Forum

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    2007 XB12R rough idle, intake backfire, bucking when speed is steady.

    If you look at my first post, that was I've done... I have replace the throttle body shaft with the cnc machined one from twinmotorcycle, replace both intake gasket, new sparkplugs, replace the 02 sensor, the 2 fuel filter and the fuel pump, it's always fuelled with 91. This is where I...
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    2007 XB12R rough idle, intake backfire, bucking when speed is steady.

    The TPS reset was made following the instruction in ECMspy with the cable (same as in the service manual). The fuel pump and the 2 filters as been change. There's no leak and the fuel pressure seems good. But not checked with gauge. I've already check for intake leaks with brake cleaner. Maybe...
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    2007 XB12R rough idle, intake backfire, bucking when speed is steady.

    @Cooter if you can help. That would be appreciated.
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    2007 XB12R rough idle, intake backfire, bucking when speed is steady.

    I'm not bashing on them... anyway. Ok for the vaccum leaks or fuel delivery issue. But can you give me a clue about checking this points?
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    2007 XB12R rough idle, intake backfire, bucking when speed is steady.

    I have the buelltooth with ECMdroid. And also ECMspy with the cable. I have try several time the tps reset with ECMspy and I don't think this could be the problem..
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    2007 XB12R rough idle, intake backfire, bucking when speed is steady.

    I guess I'm not too bad with it
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    2007 XB12R rough idle, intake backfire, bucking when speed is steady.

    Yes
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    2007 XB12R rough idle, intake backfire, bucking when speed is steady.

    I have spent number of hours trying to figure out what is the problem(s). I have a 2007 XB12R, with stock ECM, stock open muffler (Interactive cancelled), K&N air filter and No more wire one the air box. The bike start and idle well when cold. But when hot, the idle start to be ****ed up, drop...
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