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5D58 or 9

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    5D58 or 9

    Hello , firstly what a great site this is , a font of information .
    My question is , I have a 1985 GS1100G Australian delivered bike that is totally standard , the carb specs state that it should have a5D58 needle but it has 5D59's fitted to all 4 carbs , are these needles richer or leaner . It goes ok but I think abit lean . Did Suzuki lean them off more and more as the years went by to meet emission regulations , thanks Sid

    #2
    It’s not as straight forward when reading OEM needles as it is off the Mikuni charts.... in this case I think it means adjustable or not..... same needle otherwise.
    -1980 GS1100 LT
    -1975 Honda cb750K
    -1972 Honda cl175
    - Currently presiding over a 1970 T500

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      #3
      Dunno how much it'll help as the 5D series isn't listed but here's the 5 series selection available: https://www.mikunioz.com/shop/jet-ne...v=6cc98ba2045f

      If it helps at all the stock CV's I've loaned for the Kat also have the 5D59 needle in them.
      1982 GS450E - The Wee Beastie
      1984 GSX750S Katana 7/11 - Kit Kat - BOTM May 2020

      sigpic

      450 Refresh thread: https://www.thegsresources.com/_foru...-GS450-Refresh

      Katana 7/11 thread: http://www.thegsresources.com/_forum...84-Katana-7-11

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