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Thread: To those with an incurable sputter in the mid-range.

  1. #1
    Senior Member
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    Jun 2010
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    After much digging into this issue. Retuning, replacing parts, and cussing late into the night, I think I found a breakthrough.

    I ran a new 10 gauge ground from the negative terminal of the battery, straight to the bolt securing the coil pack to the engine.

    The sputter is gone and its back to pulling all the way though the power band. After doing some digging, the grounding system on these bikes is horrid.

    Not sure if this will fix everyone's issues, but for some it should work. I would almost recommended that everyone with a XB does this.

    Hopefully this helps a few out!

  2. #2
    Senior Member
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    10 gauge ground from the negative terminal of the battery, straight to the bolt securing the coil pack to the engine.
    I'll do it just because but where is the coil pack?

  3. #3
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    Follow the spark plug wires. It is under the airbox cover. Left side

  4. #4
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    Jun 2010
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    Correct, If you pull off the entire air box down to the throttle body, you will see it down on the left side. The bolt on the rear is easily accessible.

  5. #5
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    thats a great idea since ive been having tons of problems with my ecm and coil shorting to ground. im gona give it a try.

  6. #6
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    Whats the stock gauge?

  7. #7
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    Jul 2008
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    great idea! my bike has a miss every once in a while when im driving at about 65. Just acts like it misses. Gonna give this a shot

  8. #8
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    @jerseymayhem
    There is no ground going there, you would be adding one. The ground actually daisy chains all over the place, so adding a new one directly to the coil/engine will help with proper flow of electricity.

    Side note, Day 2 was just as solid as yesterday. Cold start in the morning was much smoother and I did not get that bucking action that use to happen when it was cold.

  9. #9
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    @ajgerdes
    Mine use to do the same thing. Cruising down the road and you could feel it cut out and miss from time to time. Was quite annoying.

    Hopefully this resolves your issues!

  10. #10
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    Nice



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