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Discussion in 'XJ Technical Chat' started by Joe34, Mar 30, 2018.

  1. Joe34

    Joe34 Active Member

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    Bike is running rich. Do I turn air needle in out out?
     
  2. k-moe

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

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    In is leaner, out is richer.
    BTW, it's not an air needle. If it were, in would be richer.
     
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  3. Joe34

    Joe34 Active Member

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    Sorry. Couldnt remeber the name for it .
     
  4. k-moe

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

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    No need to be sorry. If we all knew everything then there'd be nothing to talk about.
     
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  5. Polock

    Polock Well-Known Member

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    actually it's a vacuum adjustment, in=less vacuum=less fuel, out=more vacuum=more fuel.
     
  6. Minimutly

    Minimutly Well-Known Member

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    Now that's really confused things Polock. The screw on my mikunis (have to put that in asI've only stripped an Htachi), is a fuel screw, puts fuel in on idle (and pretty much all the time I would say). at higher load and speed this fuel is probably negligable, and at full load possibly the reduction in vacuum may reduce it further. But there again, these are CV carbs...
    But there again, being pedantic if you want, turning the screw out allows the vacuum in the inlet to draw the fuel out through the idle (sorry primary) jet.
    You were right....
     

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