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Twinpot Brake upgrade on 78 Skunk

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    Originally posted by thebrandonbeezy View Post
    Chuck, think you could do an in depth review of your gs750/920, the whole bike? On it own thread of course?


    Look in the recent few weeks of the "Post pictures of your custom GS" thread on here in the Appearance sub-forum.



    I listed all the mods I have done over the years to make that sort-of-stock-looking bike into a fine handling sports/tourer. My idea of touring does not include hardcase saddlebags, luggage racks, big windshield, etc... by sports touring I mean I load a minimal amount of backpacking gear onto my bike and tools / food / rain gear in saddlebags and head for the mountains!

    It's a very fast 750, I often think I need to do more mods (head ported by Rapid Ray sometime soon, mega cycle cams) because it's "not quite fast enough yet" & then I ride with other people or ride other bikes that I used to think were really fast, & I realize mine is really really fast! My buds on a 2000's Ninja 750 and a ZRX1200 can barely keep up with me in the twisties and can just sneak by me on the highway as they slowly pull ahead. They are thoroughly impressed with how fast I can pull away from them or pass cars. It pulls well even at 115+!
    With GS850 pistons / pods&pipe / careful re-jetting it was a rocket at high rpms and would hang with modified KZ1000 1132cc quite well. He was actually very impressed at how fast the bike would go when downshifting and burying the tach needle through the gears above 5500rpm-9000 or so. It revs to 11500 well while still making power. With bigger pistons I try to keep it under 10000rpm now.
    At 920c it's an absolute street menace. I try not to ride it in the city much as I just screams for me to twist that throttle grip backwards rapidly... it's a bad influence on me for city riding!
    A 77-79 GS750B/C/N/EC/EN with brake&suspension upgrades, Wiseco K844's, & Megacycle camshafts is one heck of a package if you don't have any GS1000's available or just want a slightly smaller bike than a 1000
    Last edited by Chuck78; 06-28-2017, 02:46 PM.
    '77 GS750 920cc heavily modded
    '97 Kawasaki KDX220R rugged terrain ripper!
    '99 Kawasaki KDX220R​ rebuild in progress
    '79 GS425stock
    PROJECTS:
    '77 Suzuki PE250 woods racer
    '77 GS550 740cc major mods
    '77 GS400 489cc racer build
    '76 Rickman CR1000 GS1000/1100
    '78 GS1000C/1100

    Comment


      what brake pads are you guys using in these, other than the ones that came in them or the ebay cheapies?
      1983 GS 1100 ESD :D

      Comment


        Originally posted by greg78gs750 View Post
        what brake pads are you guys using in these, other than the ones that came in them or the ebay cheapies?
        EBC HH pads.


        Mark
        1982 GS1100E
        1998 ZX-6R
        2005 KTM 450EXC

        Comment


          I've used a variety of pads. The stock Tokico ones are actually pretty good.

          I've used some HH's some organics and some Ebay cheapies. Generally you get what you pay for but all are better than the stock Suzuki setup...
          1980 GS1000G - Sold
          1978 GS1000E - Finished!
          1980 GS550E - Fixed & given to a friend
          1983 GS750ES Special - Sold
          2009 KLR 650 - Sold - gone to TX!
          1982 GS1100G - Rebuilt and finished. - Sold
          2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

          www.parasiticsanalytics.com

          TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

          Comment


            yeah, I've been running the ebay cheapies for a while, but i need new pads for an upcoming track day. Any concerns with the ebc hh's and rotor wear? I have been looking, too, at ceramic, but I've not had luck finding decent ones.
            1983 GS 1100 ESD :D

            Comment


              I've run HH's for 40k on my Triumph with no rotor issues. Break in those pads on the street before you go to track day. 2-3 blocks before home, I'll ride the brakes and then let 'em cool down. Chuck, in the 1st picture, it looks like you don't run a bracket, straight bolt on?
              Current Rides: 82 GS1100E, 00 Triumph 955 Speed Triple:twistedevil:, 03 Kawasaki ZRX1200, 01 Honda GL1800, '15 Kawasaki 1000 Versys
              Past Rides: 72 Honda SL-125, Kawasaki KE-175, 77 GS750 with total yosh stage 1 kit, 79 GS1000s, 80 GS1000S, 82 GS750e,82 GS1000S, 84 VF500f, 86 FZR600, 95 Triumph Sprint 900,96 Triumph Sprint, 97 Triumph Sprint, 01 Kawasaki ZRX1200, 07 Triumph Tiger 1050, 01 Yam YFZ250F
              Work in progress: 78 GS1000, unknown year GS1100ES

              Comment


                Will 2001 CBR900rr rotors work for this application?

                Comment


                  Chuck welded the original brake bracket & extended it then did a very good job of blending it back to the original metal. Looks great. Doesn't appear that there was any heat damage.
                  You need to trust your welder if you go that route! Grinding the welds to finish them would make for a very weak bracket if you do not have full penetration of the weld.

                  I think the HH's are designed for rotors like the CBR's - wear will be higher but it's a trade off.
                  1980 GS1000G - Sold
                  1978 GS1000E - Finished!
                  1980 GS550E - Fixed & given to a friend
                  1983 GS750ES Special - Sold
                  2009 KLR 650 - Sold - gone to TX!
                  1982 GS1100G - Rebuilt and finished. - Sold
                  2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

                  www.parasiticsanalytics.com

                  TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

                  Comment


                    Originally posted by RobAwf View Post
                    Will 2001 CBR900rr rotors work for this application?
                    I think they are a different diameter.

                    These are the lightest ones that are compatible if that is what you are looking for:



                    These work too:

                    1980 GS1000G - Sold
                    1978 GS1000E - Finished!
                    1980 GS550E - Fixed & given to a friend
                    1983 GS750ES Special - Sold
                    2009 KLR 650 - Sold - gone to TX!
                    1982 GS1100G - Rebuilt and finished. - Sold
                    2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

                    www.parasiticsanalytics.com

                    TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

                    Comment


                      Have a few sets of brackets on the shelf if anyone is in need although I Can't ship any until end of August due to schedule.
                      1980 GS1000G - Sold
                      1978 GS1000E - Finished!
                      1980 GS550E - Fixed & given to a friend
                      1983 GS750ES Special - Sold
                      2009 KLR 650 - Sold - gone to TX!
                      1982 GS1100G - Rebuilt and finished. - Sold
                      2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

                      www.parasiticsanalytics.com

                      TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

                      Comment


                        Originally posted by salty_monk View Post
                        Have a few sets of brackets on the shelf if anyone is in need although I Can't ship any until end of August due to schedule.
                        I believe it was mentioned in this thread that these will work with GS1100GK forks? If so I need a set.

                        @salty_monk I'll send you a PM in a moment.

                        Edit: previously said that I was using GS1150 forks...
                        Last edited by patrickhimself; 08-18-2017, 04:17 PM.
                        2014 Triumph Street Triple R
                        1979 GS750L (running sometimes)
                        1982 Kawasaki KZ1000P (project)

                        Comment


                          Yes they should work fine on any 1100 fork. The 1150 fork is different. Responded to your PM (about the 1150 forks) but have brackets if you need some for 1100 forks.
                          1980 GS1000G - Sold
                          1978 GS1000E - Finished!
                          1980 GS550E - Fixed & given to a friend
                          1983 GS750ES Special - Sold
                          2009 KLR 650 - Sold - gone to TX!
                          1982 GS1100G - Rebuilt and finished. - Sold
                          2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

                          www.parasiticsanalytics.com

                          TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

                          Comment


                            Originally posted by salty_monk View Post
                            Yes they should work fine on any 1100 fork. The 1150 fork is different. Responded to your PM (about the 1150 forks) but have brackets if you need some for 1100 forks.
                            I was under the impression that the GK calipers had a slightly different offset compared to the other 1100s. I definitely need a set of brackets if they'll do. I replied to your PM.
                            2014 Triumph Street Triple R
                            1979 GS750L (running sometimes)
                            1982 Kawasaki KZ1000P (project)

                            Comment


                              The L models do but I'm fairly sure the GK models don't and I'm also fairly sure someone else here used them on a GK.

                              If they don't work out you can send them back to me if they are not damaged, just pay postage (and any Paypal fees).
                              1980 GS1000G - Sold
                              1978 GS1000E - Finished!
                              1980 GS550E - Fixed & given to a friend
                              1983 GS750ES Special - Sold
                              2009 KLR 650 - Sold - gone to TX!
                              1982 GS1100G - Rebuilt and finished. - Sold
                              2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

                              www.parasiticsanalytics.com

                              TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

                              Comment


                                Have some more brackets ready to go if anyone is in need.
                                1980 GS1000G - Sold
                                1978 GS1000E - Finished!
                                1980 GS550E - Fixed & given to a friend
                                1983 GS750ES Special - Sold
                                2009 KLR 650 - Sold - gone to TX!
                                1982 GS1100G - Rebuilt and finished. - Sold
                                2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

                                www.parasiticsanalytics.com

                                TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

                                Comment

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