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  • The Hayabusa Fork Setup

    WARNING:This is not a mod that is done by itself. You should do a rear shock upgrade at the least also!

    Now with that said, you will have to start out with a Katana, pre or post 1998
    For the pre you will need the following
    1999-2007 Hayabusa front forks or 2008-present Hayabusa front forks
    1999-2007 Hayabusa front wheel or 2008-present Hayabusa front wheel
    1999-2007 Hayabusa front rotors and calipers or 2008-present Hayabusa front calipers
    1999-2007 Hayabusa front brake lines (preferably Stainless Steel) or 2008-present Hayabusa front brake lines
    You can use your mastercylinder with these brakes
    1999-2007 Hayabusa front fender or 2008-present Hayabusa front fender
    1999-2007 Hayabusa front axle or 2008-present Hayabusa front axle
    Make completely sure you have all the small hardware to go with all these parts mentioned!
    On the pre 1998 katanas you will also need a new speedometer, post 98 sprocket cover and speed sensor ( some wiring required)
    If you look at any parts fische, you will see that the bearings are completely different on the 99-07 Busa and the 08-present than the Katana. The Katana Lower will work on either Busa setup, it is press fit. As for the top bearing, will have to be a 30mm X 47mm X 15mm Tappered bearing. I found mine and Mreedohio's at http://www.twfracing.com/zparts.html
    I also believe that this can be found thru other avenues.

    You will have to remove the steering dampener tab, like I show in this picture. This has to be removed so that the headlight and it don't interfer with each other. You will have to come up with a good idea for a steering stop also.
    If anything was missed, I appologize now and can answer any questions you might have.
    Mreedohio can help a little also!
    TDA Racing/Motorsports
    1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
    Who knows what is next?
    Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
    Please look at this build! http://katriders.com/vb/showthread.php?t=91192

  • #2
    awsome man!!! thats every question i needed answerd!!! haha
    sigpicwww.violationmotorcyclegear.com
    www.dfwsportbikes.org

    Comment


    • #3
      So included in your "1999-2007 Hayabusa front forks or 2008-present Hayabusa front forks", would be the triple clamps (the lower being shown), the handle bars and mounting bracket, correct?
      Do you know yet if the springs in this setup are too stiff? The Busa is a much heavier bike than our already heavy Kats.

      Comment


      • #4
        Yes, you will need the upper and lower triple, and handlebar mount with hardware.
        actually, compared to all the other setups out there, the busa setup is best for the weight of a Katana. The valving(stock) is as close as you can get without modifying the spring rate, valves etc. What is nice about the forks is adjustability compared to a Katana fork.
        This will lower the frontend, changing the rake and trail also!
        Last edited by ThAzKat; 05-25-2010, 01:44 PM.
        TDA Racing/Motorsports
        1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
        Who knows what is next?
        Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
        Please look at this build! http://katriders.com/vb/showthread.php?t=91192

        Comment


        • #5
          ____________
          Jet

          Comment


          • #6
            Originally posted by jetmerritt View Post
            Sorry Sir the theater is closed!
            But if you would like to see what it is you will need to do this to a post katana just say YES SIR
            TDA Racing/Motorsports
            1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
            Who knows what is next?
            Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
            Please look at this build! http://katriders.com/vb/showthread.php?t=91192

            Comment


            • #7
              OK here it goes seriously!
              Post 98 Katana with Hayabusa forks
              everything mentioned above as far as the parts you need. You won't need a gauge cluster or the speed sensor or the sprocket cover as a pre will need, you already have that.
              The lower bearing is the same size as the katana but you will also have to change the top bearing as mentioned above.
              Now, the master cylinder on the post 98 katana will work perfectly also.
              On my frontend swap I opted for the gsxr remote reservoir.
              TDA Racing/Motorsports
              1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
              Who knows what is next?
              Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
              Please look at this build! http://katriders.com/vb/showthread.php?t=91192

              Comment


              • #8
                What about the stem length of the Hayabuba to the Post Katana?
                How To Install Race Tech Emulators & Rebuild Forks
                How To Repack Yoshimura RS3 Exhaust
                How To Install Oil Cooler Fans
                How To Install Audiovox Cruise Control On A 1998+ Katana

                Comment


                • #9
                  I thought it was a how to thread with pics and stuff. Didn't realize it was just a parts list. Still worth keeping my radar on.
                  ____________
                  Jet

                  Comment


                  • #10
                    you want a how to on how to remove and install forks basically because all you need to do is the remove the old front end,sprocket cover ect. as mentioned above and use the parts list listed above and build the new front end and install. and follow the slight things thazkat mentioned that needed to be modded to fit your headlight and i think something about bump stops
                    Chrome Project Part 1
                    http://www.freewebs.com/mreedohio/

                    Chrome Project Part 2

                    http://katriders.com/vb/showthread.php?t=91192

                    Chrome Project Part 3
                    http://katriders.com/vb/showthread.php?t=91192&page=30

                    Chrome Project Finished
                    http://katriders.com/vb/showthread.php?t=107586

                    Comment


                    • #11
                      Originally posted by squiggy View Post
                      What about the stem length of the Hayabuba to the Post Katana?
                      The stem is longer on the Hayabusa but for good reason. There are 2 adjuster nuts under the handlebar mount, the mount itself and a nut on top of that.

                      Originally posted by jetmerritt View Post
                      I thought it was a how to thread with pics and stuff. Didn't realize it was just a parts list. Still worth keeping my radar on.
                      I think I have covered that in the katbusa, chrome project threads. Many pics of both setups. I was trying to avoid 20 pages of pictures and get down to the main stuff. If pictures is what you want then I will post that later today.
                      Last edited by ThAzKat; 05-26-2010, 02:57 AM. Reason: Automerged Doublepost
                      TDA Racing/Motorsports
                      1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
                      Who knows what is next?
                      Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
                      Please look at this build! http://katriders.com/vb/showthread.php?t=91192

                      Comment


                      • #12
                        Originally posted by ThAzKat View Post
                        If pictures is what you want then I will post that later today.
                        PLEASE DO!!! planning this mod soon...need as much info as possible

                        RIP joe iwanski ... ALWAYS MISSED, NEVER FORGOTTEN!!

                        RIP MARC...PEGS ARE ETERNALLY DOWN FOR YOU BROTHER
                        "for those who have fought for it, freedom has a taste the protected will never know"


                        my build threads
                        http://katriders.com/vb/showthread.php?t=103472
                        http://katriders.com/vb/showthread.php?t=105768

                        Comment


                        • #13
                          Originally posted by airforceranger49 View Post
                          PLEASE DO!!! planning this mod soon...need as much info as possible
                          I have to head to work right now but I will get those pics up later today. Or I could just get the setup kit together and supply instructions J/K
                          TDA Racing/Motorsports
                          1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
                          Who knows what is next?
                          Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
                          Please look at this build! http://katriders.com/vb/showthread.php?t=91192

                          Comment


                          • #14
                            Originally posted by ThAzKat View Post
                            I have to head to work right now but I will get those pics up later today. Or I could just get the setup kit together and supply instructions J/K

                            how much $, hahaha

                            RIP joe iwanski ... ALWAYS MISSED, NEVER FORGOTTEN!!

                            RIP MARC...PEGS ARE ETERNALLY DOWN FOR YOU BROTHER
                            "for those who have fought for it, freedom has a taste the protected will never know"


                            my build threads
                            http://katriders.com/vb/showthread.php?t=103472
                            http://katriders.com/vb/showthread.php?t=105768

                            Comment


                            • #15
                              Originally posted by airforceranger49 View Post
                              how much $, hahaha
                              I have about $400 into mine. Ebay was good to me and many good friends that had spare parts they were willing to part with for less than nothing.


                              You will also need a speedhealer for the pre to be sure to get the speedo dialed in.
                              TDA Racing/Motorsports
                              1982 Honda CB750 Nighthawk, 1978 Suzuki GS750 1986 Honda CBR600 Hurricane; 1978 Suzuki GS1100E; 1982 Honda CB750F supersport, 1993 Suzuki Katana GSX750FP. 1981 Suzuki GS1100E (heavily Modified) http://katriders.com/vb/showthread.php?t=94258
                              Who knows what is next?
                              Builder of the KOTM Mreedohio september winning chrome project. I consider this one to be one of my bikes also!
                              Please look at this build! http://katriders.com/vb/showthread.php?t=91192

                              Comment

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