GS 1100 air mixture screw size

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  • Street Fighter
    • Feb 2026

    #1

    GS 1100 air mixture screw size

    does anyone know the thread size of the mixture screws I want to run a tap through the threads to clean them up its a real fine thread
  • koolaid_kid

    #2
    I don't know what they are, but you will need both the diameter and the pitch. Just thought I would mention it.
    You may wish to mention which 1100 it is, they came in a number of flavors.

    Comment

    • Steve
      GS Whisperer
      • Jun 2005
      • 35925
      • southwest oHIo

      #3
      Originally posted by koolaid_kid
      You may wish to mention which 1100 it is, they came in a number of flavors.
      True, several flavors, but they all used basically the same carb.

      I believe the thread size is a rather hard to find M6 x 0.5.

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      • Street Fighter

        #4
        yes all the big bikes from 1980-1983 use the same carbs just different jets I THINK
        thanks M6 x 0.5. I will check on the size.

        Comment

        • Street Fighter

          #5
          nope
          the threads are fine'r then 0.5

          Comment

          • chuck hahn
            Forum LongTimer
            Past Site Supporter
            • May 2009
            • 25918
            • Norman, Oklahoma

            #6
            I am in the 6MM X .5 MM camp.
            MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
            1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

            NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


            I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

            Comment

            • Guest

              #7
              Originally posted by chuck hahn
              I am in the 6MM X .5 MM camp.
              Eric says it's a 6mm x .50, and I agree.

              Last edited by Guest; 04-15-2013, 08:27 PM. Reason: Added photo.

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              • Street Fighter

                #8
                I have a bolt with 6m x .50 thread and the threads are about half the size of it real fine

                Comment

                • chuck hahn
                  Forum LongTimer
                  Past Site Supporter
                  • May 2009
                  • 25918
                  • Norman, Oklahoma

                  #9
                  Take it to a supply house with a tester to see what it is then would be my next suggestion.
                  MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
                  1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

                  NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


                  I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

                  Comment

                  • Street Fighter

                    #10
                    just found it
                    Z Enterprizes has the screw and they post the size
                    6 x 0.5 x 22.00 mm

                    Comment

                    • chuck hahn
                      Forum LongTimer
                      Past Site Supporter
                      • May 2009
                      • 25918
                      • Norman, Oklahoma

                      #11
                      isnt that what we were saying??? 6MM X .5??? Obviously it isnt necessary to add the 0 before the dot....
                      MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
                      1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

                      NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


                      I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

                      Comment

                      • Street Fighter

                        #12
                        now if i can find the tap

                        Comment

                        • Guest

                          #13
                          Originally posted by chuck hahn
                          isnt that what we were saying??? 6MM X .5??? Obviously it isnt necessary to add the 0 before the dot....
                          It matters not, whether it's .5, or 0.5, or .5000
                          it's still the same thing.

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