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Idle speed on my XJ750 increases when warm

Discussion in 'XJ Technical Chat' started by Mutley, May 18, 2019.

  1. Mutley

    Mutley New Member

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    Hi all,

    When the engine on my bike gets warm the tick over speed increases from 1000 to 2000 rpm with the choke off?

    Was wondering what might be the cause?

    Thanks in advance
     
    Mutley, May 18, 2019
    #1
  2. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    The likely cause is that the idle speed was set with the engine cold. The idle speed adjustment knob is below and behind the carbs right about in the middle of them.
    Turn it counterclockwise to lower te idle when warm. The factory wants 1100 RPM at idle, but setting it to 1200 to 1400 makes cold starts easier and causes no harm.
     
    k-moe, May 18, 2019
    #2
    Mutley and Jetfixer like this.
  3. Mutley

    Mutley New Member

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    Thanks mate, working fine now
     
    Mutley, May 18, 2019
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    k-moe likes this.

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