Colortune

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  • RIP

    #1

    Colortune

    I have a 1982 GS 1100G, what size colortune? 12mm,14mm?????
  • almarconi

    #2
    16 valve = 12mm

    8 valve = 14mm

    Pull one of your spark plugs and measure it just to be sure.

    Comment

    • Stefnwolf
      Forum Apprentice
      • Nov 2008
      • 77
      • Suffolk, UK

      #3
      See which NGK spark plugs it takes.
      The begining letter of the part no. denotes the thread diameter.

      A = 18mm
      B = 14mm
      C = 10mm
      D and J = 12mm

      Therefore B8ES is 14mm
      sigpic
      Current bikes:
      1982 GSX750EZ, 1989 CBR600F
      Previous bikes:
      More BSA Bantams than you can shake a stick at
      Bultaco 350 Trials, BSA C15
      1971 BSA B25SS Gold Star 250, 1969 BSA A65 Lightning
      1976 HONDA CB750 K6

      Comment

      • Suzuki_Don

        #4
        Originally posted by almarconi
        16 valve = 12mm

        8 valve = 14mm

        Pull one of your spark plugs and measure it just to be sure.
        All 8-valve are 14mm except the 650 which are 12mm.

        Comment

        • bwringer
          Forum LongTimer
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          • Oct 2003
          • 17073
          • Indianapolis

          #5
          Or get the full kit so you can amaze and astound your friends...
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          • almarconi

            #6
            If you buy the 14mm kit, you can get also buy a 12mm adapter.

            Comment

            • RIP

              #7
              Thanks guys, got one on the way.

              Comment

              • FlyingSteve

                #8
                omg I'm buying one of those!! That is the coolest gadget I've seen for a long time and I don't know why I've never heard of this before!!

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