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Twinpot Brake upgrade on 78 Skunk

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    Rear that I'm running:



    Much cheaper to run the 1 piece steel snowflakes or whatever may be the lightest of the stock gs 275mm rotors to replace the monster 295mm 77 rear discs. The metalgear.com.au rotor is awesome though (pic)
    '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


      Very nice. Got any pics fitted? I can't say I'm too worried about weight on the GS but I do have one of the slotted rotors fitted (from a 1980 from memory)
      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


        Just read this entire thread last night. Lots of good info. 97 VFR 750 rotors re drilled with a jig will fit on my 78 750 E, correct? Can I use one of my old rotor for a jig? Thanks.
        78GS 750E

        Comment


          Yes and no.... You need hub spacers to get the right offset as well.
          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


            Right, about 4mm I think. I am slowly gathering things for this mod. thanks for the confirmation Salty. I will be contacting you soon about brackets if you have any left.
            78GS 750E

            Comment


              Got my brackets yesterday - a day after my birthday, cool prezzie! thanks Dan. Cant wait to get them fitted, it will be some time over the next couple of months whilst I've got the bike off the road for a couple of other winter jobs! Will post some piccies soon!

              Comment


                I just received a set of rotors that are supposed to be off 96 VFR 750. One is offset 17mm, the other is 14mm. Is this correct? I had assumed they would be the same. Can I shim them out to be equal? Thanks
                78GS 750E

                Comment


                  I believe you must've gotten rotors off of an ABS model... non-ABS models are what we need. Sure you could shim it, but I'd opt for finding another rotor with that same directional pattern.
                  '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


                    Well sh1t, that's not what I wanted to hear. Well back to Ebay I guess. Thanks for the quick reply Chuck78
                    78GS 750E

                    Comment


                      Yes you could shim it out... I may be able to find a shim of the correct thickness.
                      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


                        One more set gone today.

                        I have a handful left & one whole kit incl some 2006 Concourse Calipers (grey) & some of the 7 button lightest rotors that work for this mod.

                        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
                          One more set gone today.

                          I have a handful left & one whole kit incl some 2006 Concourse Calipers (grey) & some of the 7 button lightest rotors that work for this mod.

                          Do you still have the rotors? If so, how much you want for them?

                          Comment


                            I'd rather move them as a whole package. Let me see if I have more than 1 set - possible!
                            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
                              I'd rather move them as a whole package. Let me see if I have more than 1 set - possible!
                              Sounds good.

                              Comment


                                These are the ones I am talking about & that's actually not too bad a price these days.... Cheaper ones do come up though.

                                I have a couple more boxes to check yet!

                                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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