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I have searched around and I am looking for a few exact answers: Inverted Fork Swap

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  • #1

    I have searched around and I am looking for a few exact answers: Inverted Fork Swap

    Hey XS11.com

    I am looking for some answers to my long debated inverted for swap.

    I have read that the Hyabusa front end is the easiest to use on the XS chassis for whatever reason. I have a line on a great condition 06 GSXR750 front end with the dual tokico calipers.

    My questions arrise at weather or not the GSXR front end will be too short for my bike. I am not worried mostly with ground clearence, the stock Special front end has been lowered 2 1/8".

    Can I press out the GSXR stem and Press in the XS stem or will I need to have custom Tapered bearing made? What is the most painless way to do this?

    My XS front end needs the forks rebuild, the calipers rebuilt, new rotors, wheel bearings and neck bearings, If I can do the swap for relatively the same price, Im going to.

    Please reply with your expiriences in this area, again, I have search the interweb for this information and gotten many mixed reviews.
    XS11.Com resident Black Sheep
    Tags: None
  • #2
    And if this particular idea is unreasonable, I have a special which I would like to at least convert to standard forks.

    This would require:
    Standard trees,
    Standard forks,
    Standard front Calipers

    Can I reuse my Special Wheel and Rotors?
    XS11.Com resident Black Sheep

    Comment

    • #3
      Originally posted by 79xs1100s View Post
      I have a special which I would like to at least convert to standard forks.

      This would require:
      Standard trees,
      Standard forks,
      Standard front Calipers

      Can I reuse my Special Wheel and Rotors?
      Yes, that is all correct, wheel and rotors the same. Might need the speedometer hub from the Standard though.
      2H7 (79) owned since '89
      3H3 owned since '06

      "If it ain't broke, modify it"

      ☮

      Comment

      • #4
        I can't help you with exact answers, but I think I can be helpful with your GSXR questions.

        I found a while ago a list (i think I found a link to it on a cafe racer site) that had the stem diameter, bearing sizes, and fork lengths of like a million different bikes. If you do a little google searching I'm sure you could turn up the list and figure out the specs for the gsxr front and then compare them to the xs1100 front (or the busa front because thats a known swap)

        2nd idea is go take a look around the uk forum (but first figure out what they call a gsxr in Europe) and see if anyone there has done the swap. The guys over there do a lot more modding and swapping then most the folks on this forum do. Maybe even try a post and see if anyone else has already researched it. A google search for "xs11 uk" should turn up the uk forum home page.
        1979 xs1100 Special -
        Stock air box/K&N Filter, MAC 4-2 exhaust, Bad-Boy Air horn, TC fuse box, Windshield, Soft bags, Vetter Fairing, Blinkers->Run/Turn/Brake Lights, Headlight Modulator, hard wire GPS power

        Short Stack - 1981 xs1100 Standard - lowered for SWMBO.

        Originally posted by fredintoon
        Goes like a train, corners like a cow, shifts like a Russian tractor, drinks like a fish, you are gonna love it.
        My Bike:
        [link is broken]

        Comment

        • #5
          http://www.sudco.com/steering.html

          find a match.
          79 XS1100SF
          78 YZ400E
          81 SR500
          79 RM250
          77 YZ400D
          05 RM250
          78 CR 250 Husky w/TT500 motor

          Comment

          • #6
            For the Standard to Special swap, I believe you will also need the Standard fender. Wheel, and rotors all direct swap. Come to think of it, not sure the axle would be the same. Never seen how that mounts on the Standard models.
            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

            • #7
              The axle is the same for both types. It clamps on the left side with a cap below the fork leg on a Standard.
              2H7 (79) owned since '89
              3H3 owned since '06

              "If it ain't broke, modify it"

              ☮

              Comment

              • #8
                Phil, I'm surprised you didn't send him here...http://www.xs11.com/forum/showthread...ight=fork+swap
                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

                • #9
                  Originally posted by crazy steve View Post
                  Phil, I'm surprised you didn't send him here...http://www.xs11.com/forum/showthread...ight=fork+swap
                  No fair, I was going to send him there. Now you made me waste my 1000'th post.



                  There is a nice FJ fork swap that has been done by a few individuals. You wont get the advantages of the better calipers on those gixer forks but there are other options to using the old stock XS calipers.

                  OK here is my 1000'th post, dont I get a 1000 virgins or something? Thought it was in my contract...
                  '79 XS11 F
                  Stock except K&N

                  '79 XS11 SF
                  Stock, no title.

                  '84 Chevy K-10 "Big Blue"
                  GM 350, Muncie SM465, NP208, GM 10 Bolt with 3.42gears turnin 31x10.5 Baja Claws

                  "What they do have is an implacable, unrelenting presence and movement that bespeaks massive power lurking behind paint and chrome. They don't wail like a screeching ninja, the don't rumble like a harley. They just growl like a spactic, stressed out badger waiting to rip your face off and eat your soul." Trainzz~RIP~

                  Comment

                  • #10
                    Originally posted by WMarshy View Post
                    No fair, I was going to send him there. Now you made me waste my 1000'th post.



                    There is a nice FJ fork swap that has been done by a few individuals. You wont get the advantages of the better calipers on those gixer forks but there are other options to using the old stock XS calipers.

                    OK here is my 1000'th post, dont I get a 1000 virgins or something? Thought it was in my contract...
                    Sorry you feel you wasted your 1000th post. Congrats on guru status though!
                    Nathan
                    KD9ARL

                    μολὼν λαβέ

                    1978 XS1100E
                    K&N Filter
                    #45 pilot Jet, #137.5 Main Jet
                    OEM Exhaust
                    ATK Fork Brace
                    LED Dash lights
                    Ammeter, Oil Pressure, Oil Temp, and Volt Meters
                    Green Monster Coils
                    SS Brake Lines
                    Vision 550 Auto Tensioner

                    In any moment of decision the best thing you can do is the right thing, the next best thing is the wrong thing, and the worst thing you can do is nothing.

                    Theodore Roosevelt

                    Comment

                    • #11
                      Originally posted by natemoen View Post
                      Sorry you feel you wasted your 1000th post...
                      DOH!! Im going to have to file a grievance!

                      Originally posted by natemoen View Post
                      ... Congrats on guru status though!
                      THANKS! Its been fun.
                      '79 XS11 F
                      Stock except K&N

                      '79 XS11 SF
                      Stock, no title.

                      '84 Chevy K-10 "Big Blue"
                      GM 350, Muncie SM465, NP208, GM 10 Bolt with 3.42gears turnin 31x10.5 Baja Claws

                      "What they do have is an implacable, unrelenting presence and movement that bespeaks massive power lurking behind paint and chrome. They don't wail like a screeching ninja, the don't rumble like a harley. They just growl like a spactic, stressed out badger waiting to rip your face off and eat your soul." Trainzz~RIP~

                      Comment

                      • #12
                        You can have the 1000 virgins, but you have to go meet Alah to get them!!

                        Otherwise, you just get to catch even more grief when you make a small error in a post cause your a guru and should know better!!

                        Congrats on being around for 1000 post!!!!
                        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

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