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low revs problems

Discussion in 'XJ Technical Chat' started by daftoldgit, Jul 18, 2016.

  1. daftoldgit

    daftoldgit New Member

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    Hello Xj forum
    I'm Martin from the UK.

    I have 3 problems that may be related, or may not!

    A I can't adjust the tickover below 1200 RPM at the maximum adjustment of the screw.

    B There is a long delay between shutting the twist grip, and the revs actually dropping, most noticable when changing gear. (espcially noticeable changing from first to second gear???)

    C No power at all below 2000 RPM, the engine completely bogs down and needs more revs.



    The bike is a XJ650 imported from the USA, year unknown.

    Thanks for looking!
     
    daftoldgit, Jul 18, 2016
    #1
  2. k-moe

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

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    Start by checking for vacuum leaks. Use spray carb cleaner and be methodical.

    Also check the valve clearnaces and adjust as needed.
     
    k-moe, Jul 18, 2016
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    Jetfixer likes this.
  3. daftoldgit

    daftoldgit New Member

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    Your content can not be submitted. This is likely because your content is spam-like or contains inappropriate elements. Please change your content or try again later. If you still have problems, please contact an administrator.
     
    daftoldgit, Jul 18, 2016
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  4. daftoldgit

    daftoldgit New Member

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    Not able to reply for some reason!!
     
    daftoldgit, Jul 18, 2016
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  5. daftoldgit

    daftoldgit New Member

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    Thanks k-moe I'll give that a try.
     
    daftoldgit, Jul 18, 2016
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  6. Jetfixer

    Jetfixer Well-Known Member

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    ^^+1 vacuum leak....BUT it is also possible your carb synch is off if you back idle adjust knob all the way out and idle does not drop ...this is your sign
     
    Jetfixer, Jul 18, 2016
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  7. daftoldgit

    daftoldgit New Member

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    Ok, I've sprayed all round the carbs and rubbers with no luck as yet, I did notice the thin hose (air hose?) from the fuel tank to the carbs has no clips attached, could that be a problem?

    Thanks Jetfixer I'll add that to the list..
     
    daftoldgit, Jul 18, 2016
    #7

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