Mikuni smoothbore carbs question

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  • Chris G
    • Feb 2026

    #1

    Mikuni smoothbore carbs question

    I have a set of fitted to a project bike I recently purchased, I know there's some knowledgable carb folk one here, my initial question is about fuel mixture screws, number one is running rich are the screws opposite to the CV carbs on my GS? i.e. turning out from lightly seated causes a weaker mixture, thanks.
  • GregT
    Forum Sage
    • Jul 2009
    • 3541
    • New Zealand

    #2
    They're air screws, so out = more air, hence leaner.

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    • Chris G

      #3
      Thank you sir

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