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idle speed stuck

Discussion in 'XJ Technical Chat' started by joejr2, May 15, 2020.

  1. joejr2

    joejr2 Active Member Premium Member

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    after rebuilding the carbs,wet testing the fuel levels and synching them with vacuum gauges the bike runs well.
    but I can't lower the idle speed below 2k. no hanging idle on acceleration and it starts right up. the only other thing I can think of is the mixture screws. I set them at 2.5 turns out. Since I am unable to lower the idle below
    2k would that indicate too rich or too lean ? Also no air leaks that I could find with a can of starter fluid.
     
    joejr2, May 15, 2020
    #1
  2. Polock

    Polock Well-Known Member

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    2.75 to 3 might be better, does it have a "off idle bog" that would be lean.
    2K, i'd look at that sync again. if your using 4 separate gauges, gang them all together and see if they all read the same
     
    Polock, May 16, 2020
    #2
  3. joejr2

    joejr2 Active Member Premium Member

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    Used 2 gauges. no bog fires up on throttle. drops back to 1.5 then up to 2 and stays there. 2 gauges 4 to 3, 1 to 2, 2 to 3
     
    joejr2, May 16, 2020
    #3
  4. Rusty81

    Rusty81 Member

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    Is the throttle cable not resetting? Holding the butterflies open?
     
    Rusty81, May 16, 2020
    #4

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