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  • Allen Head Size

    What is the size of the allen bolt head size on the bottom of the forks? I would go check it myself but my bike is at a friends house. Thanks in advance.
    '79 XS11SF

  • #2
    Pretty sure it's a 8mm...
    Fast, Cheap, Reliable... Pick any two

    '78E original owner - resto project
    '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
    '82 XJ rebuild project
    '80SG restified, red SOLD
    '79F parts...
    '81H more parts...

    Other current bikes:
    '93 XL1200 Anniversary Sportster 85RWHP
    '86 XL883/1200 Chopper
    '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
    Cage: '13 Mustang GT/CS with a few 'custom' touches
    Yep, can't leave nuthin' alone...

    Comment


    • #3
      thanks steve helpful as usual.
      '79 XS11SF

      Comment


      • #4
        If you have a Special, it's a 6MM, Standards are 8MM.
        2H7 (79)
        3H3

        "If it ain't broke, modify it"

        Comment


        • #5
          ok good to know i thought they were all the same.
          '79 XS11SF

          Comment


          • #6
            ...so did I....
            Fast, Cheap, Reliable... Pick any two

            '78E original owner - resto project
            '78E ???? owner - Modder project FJ forks, 4-piston calipers F/R, 160/80-16 rear tire
            '82 XJ rebuild project
            '80SG restified, red SOLD
            '79F parts...
            '81H more parts...

            Other current bikes:
            '93 XL1200 Anniversary Sportster 85RWHP
            '86 XL883/1200 Chopper
            '82 XL1000 w/1450cc Buell, Baker 6-speed, in-progress project
            Cage: '13 Mustang GT/CS with a few 'custom' touches
            Yep, can't leave nuthin' alone...

            Comment


            • #7
              Nope some are Standard and some are Special!!!!!! Just like people here and it takes all size nuts to keep em going.
              To fix the problem one should not make more assumptions than the minimum needed.

              Rodan
              https://www.youtube.com/watch?v=khm6...liHntN91DHjHiS
              1980 G Silverbird
              Original Yamaha Fairfing and Bags
              1198 Overbore kit
              Grizzly 660 ACCT
              Barnett Clutch Springs
              R1 Clutch Fiber Plates
              122.5 Main Jets
              ACCT Mod
              Mac 4-2 Flare Tips
              Antivibe Bar ends
              Rear trunk add-on
              http://s1184.photobucket.com/albums/z329/viperron1/

              Comment


              • #8
                Haha. This was a fun thread to read this morning. Steve....I thought you knew it all. Turns out your not a machine. He's a man! I will be doing two sets of forks in the near future. So that was useful info for me as well. Always informative on this site.
                1980 XS1100SG "Black Mamba" 28K
                1979 XS1100F 33k (Current Project)
                1981 XS1100H "Blue Balls" (Crashed and under repair )

                1978 XS1100E "Partsy"

                Work Hard, Play Harder!

                Comment


                • #9
                  its the one size you can't find in the tool box
                  Don
                  1979 XS1100SF "Old Man" bought by my Dad brand new in 79, customized in 80 with Vetter, Standard tank, and touring seat. I inherited in 02 when Dad passed. Been riding it since 09. No resto, bike is a survivor...

                  2007 RoadStar 1700 Midnight Silverado "The Black Pearl" Cobra Slash-downs, K&N filter. More mods to come


                  old:
                  1989 kawi ex500
                  1996 yzf-r6
                  1999 yzf-r1
                  2001 kawi zx-6r
                  2000 Ducati 748
                  2002 YZF-R1
                  2005 V-Star 1100 Classic

                  Comment


                  • #10
                    Careful on the 6MM size allens, they round out very easily as they are not very deep. it's easy for the wrench to get cocked a little and slip. I've had to drill a couple of them out cause of previous owners.
                    2H7 (79)
                    3H3

                    "If it ain't broke, modify it"

                    Comment


                    • #11
                      All of the torqx bit and allen head bolts/screws I always take a samll pick and clean out all the grooves and crevices well before I try to remove them. Oftne with the allen heads, I will tap the wrench into the hole tightly before I try to turn it.
                      Life is what happens while your planning everything else!

                      When your work speaks for itself, don't interrupt.

                      81 XS1100 Special - Humpty Dumpty
                      80 XS1100 Special - Project Resurrection


                      Previously owned
                      93 GSX600F
                      80 XS1100 Special - Ruby
                      81 XS1100 Special
                      81 CB750 C
                      80 CB750 C
                      78 XS750

                      Comment


                      • #12
                        Here is my bike before...

                        here is some picture part way though the fork rebuild...






                        I don't think the fork oil was ever changed in my bike as this sludge I found coming out this fork. By the way the 6mm allen socket worked perfect.






                        Here is a picture of the inside of the lower fork tube. kinda nasty in there.

                        I am having some trouble getting the seal out but I think I should have bought a seal puller I think that will make getting the seal out easier.

                        I have also noticed when I pulled the forks off the my steering head bearings feel rough I hope I don't need new ones I haven't pulled that apart yet to check but I do plan on pulling it apart to repack the bearing at least if I need to replace them I will.
                        '79 XS11SF

                        Comment


                        • #13
                          Yep, you want to clean all that goop out of the forks before you reassemble them. You really did not need to pull the headlight and all that apart, but if your going to pull the trees out, you ma as well do it now. The steeringhead bearings are not to expensive, about $25 I think. So for peace of mind, if you feel things are notchy in there, I would replace them.
                          Life is what happens while your planning everything else!

                          When your work speaks for itself, don't interrupt.

                          81 XS1100 Special - Humpty Dumpty
                          80 XS1100 Special - Project Resurrection


                          Previously owned
                          93 GSX600F
                          80 XS1100 Special - Ruby
                          81 XS1100 Special
                          81 CB750 C
                          80 CB750 C
                          78 XS750

                          Comment


                          • #14
                            I pulled the headlight bucket off because I putting on a fairing so I thought what better time than now to do it.
                            '79 XS11SF

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