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carb top screw size

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  • carb top screw size

    Does anyone know what size screw to attach the top to the carburetor? Metric screw maybe M 4? Takes 16 screws-need extras.
    1980 XS1100 SG
    Inline fuel filters
    New wires in old coils-outer spark plugs
    160 mph speedometer mod
    Kerker Exhaust
    xschop K & N air filter setup
    Dynojet Recalibration kit
    1999 Kawasaki ZRX1100
    1997 Jeep Cherokee 4.5"lift installed

  • #2
    Take old one to hardware store and buy new one with an allen wrench head. Much easier to work with.
    Jeff Korn
    Original Owner 79XS1100 E
    Yamaha Warrior has come and gone

    Comment


    • #3
      I replaced all of mine, the old ones, the screw slots were getting worn out.
      Jeff Korn
      Original Owner 79XS1100 E
      Yamaha Warrior has come and gone

      Comment


      • #4
        jkorn-would be so easy but having mobility issues and easier to know size and order it online. My knees are shot and cant really walk good.
        1980 XS1100 SG
        Inline fuel filters
        New wires in old coils-outer spark plugs
        160 mph speedometer mod
        Kerker Exhaust
        xschop K & N air filter setup
        Dynojet Recalibration kit
        1999 Kawasaki ZRX1100
        1997 Jeep Cherokee 4.5"lift installed

        Comment


        • #5
          Originally posted by jkorn View Post
          Take old one to hardware store and buy new one with an allen wrench head. Much easier to work with.
          classic sign of the wrong screwdriver used, JIS is the way to go

          Comment


          • #6
            I guess people don't read the post-unable to physically go to the store at the moment.
            1980 XS1100 SG
            Inline fuel filters
            New wires in old coils-outer spark plugs
            160 mph speedometer mod
            Kerker Exhaust
            xschop K & N air filter setup
            Dynojet Recalibration kit
            1999 Kawasaki ZRX1100
            1997 Jeep Cherokee 4.5"lift installed

            Comment


            • #7
              The bolt size is in the last digits of the part number.
              Marty (in Mississippi)
              XS1100SG
              XS650SK
              XS650SH
              XS650G
              XS6502F
              XS650E

              Comment


              • #8
                Let me dig thru my parts and see what I can find. JK
                Jeff Korn
                Original Owner 79XS1100 E
                Yamaha Warrior has come and gone

                Comment


                • #9
                  I believe I bought these, but the link is to Amazon.

                  https://www.amazon.com/Socket-Screws...07F8R2H99?th=1

                  jk
                  Jeff Korn
                  Original Owner 79XS1100 E
                  Yamaha Warrior has come and gone

                  Comment


                  • #10
                    jkorn-thank you!!
                    1980 XS1100 SG
                    Inline fuel filters
                    New wires in old coils-outer spark plugs
                    160 mph speedometer mod
                    Kerker Exhaust
                    xschop K & N air filter setup
                    Dynojet Recalibration kit
                    1999 Kawasaki ZRX1100
                    1997 Jeep Cherokee 4.5"lift installed

                    Comment


                    • #11
                      Your welcome. The hex head bolts are so much easier to use and I just can’t count the number of times I’ve had those carbs apart. Jeff
                      Jeff Korn
                      Original Owner 79XS1100 E
                      Yamaha Warrior has come and gone

                      Comment


                      • #12
                        I've had a problem using them and others have as well, it's easy to put too much torque on them and strip out the threads so be careful!
                        1980 XS1100G

                        These aren't my words, I just arrange them

                        Comment


                        • #13
                          Originally posted by LAB3 View Post
                          I've had a problem using them and others have as well, it's easy to put too much torque on them and strip out the threads so be careful!
                          I agree it is much easier to strip the threads out of the carb. One thing I have found with the hex head bolts is that if you buy them a bit longer then OEM philips (JIS) headed screws that you have much less chance to strip anything out. More to work with.
                          2 - 80 LGs bought one new
                          81 LH
                          02 FXSTB Nighttrain
                          22 FLTRK Road Glide Limited
                          Jim

                          Comment


                          • #14
                            Years ago I bought the Allen head button screws through crazy steve I believe a moderator on here. I also have JIS screwdrivers. Not everyone is ham fisted on here.
                            1980 XS1100 SG
                            Inline fuel filters
                            New wires in old coils-outer spark plugs
                            160 mph speedometer mod
                            Kerker Exhaust
                            xschop K & N air filter setup
                            Dynojet Recalibration kit
                            1999 Kawasaki ZRX1100
                            1997 Jeep Cherokee 4.5"lift installed

                            Comment


                            • #15
                              Jkom-screws came in and was able to replace 1 so far. Thank you for that link.
                              1980 XS1100 SG
                              Inline fuel filters
                              New wires in old coils-outer spark plugs
                              160 mph speedometer mod
                              Kerker Exhaust
                              xschop K & N air filter setup
                              Dynojet Recalibration kit
                              1999 Kawasaki ZRX1100
                              1997 Jeep Cherokee 4.5"lift installed

                              Comment

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