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    Rotor restoration question

    Hello there I am restoring my 82 wheels to 83 wheels. I found some rotors I am going to clean and paint. Does anyone know if the front and rear rotors and basically the same? Thanks much Brian

    #2
    The 3 rotors have different part #'s... LH vs RH fronts is probably the direction the slotted holes are angled. Guessing the rear is different size, shape, or possibly off set.
    1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

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      #3
      The only possible problems I can think of with using a front on the rear is heat/fade (less metal to soak it up) and also possibly a very worn set of pads could have room to fall out beside the rotor followed possibly by the piston hitting the rotor on the next pump....
      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

      www.agadisplay.com
      www.parasiticsanalytics.com

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

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        #4
        Having trouble finding service limits for these rotors. But if the rear is originally thicker, wondering if when rear reaches its service limit, if it will be still within the service limit for the front?
        1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

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          #5
          Rears are smaller diameter.
          1982 GS1100E V&H "SS" exhaust, APE pods, 1150 oil cooler, 140 speedo, 99.3 rear wheel HP, black engine, '83 red

          2016 XL883L sigpic Two-tone blue and white. Almost 42 hp! Status: destroyed, now owned by the insurance company. The hole in my memory starts an hour before the accident and ends 24 hours after.

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            #6
            service limits are stamped into the rotors
            MY BIKES..1977 GS 750 B, 1978 GS 1000 C (X2)
            1978 GS 1000 E, 1979 GS 1000 S, 1973 Yamaha TX 750, 1977 Kawasaki KZ 650B1, 1975 Honda GL1000 Goldwing, 1983 CB 650SC Nighthawk, 1972 Honda CB 350K4, 74 Honda CB550

            NEVER SNEAK UP ON A SLEEPING DOG..NOT EVEN YOUR OWN.


            I would rather trust my bike to a "QUACK" that KNOWS how to fix it rather than a book worm that THINKS HE KNOWS how to fix it.

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              #7
              Where did Grand Rogue go, didn't he say he was using a front on his rear... Where'd he go, he had 2 posts in this thread a while ago.
              1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

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                #8
                Gone... Who knows? Something we said?
                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

                www.agadisplay.com
                www.parasiticsanalytics.com

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

                Comment


                  #9
                  Originally posted by Rob S. View Post
                  Rears are smaller diameter.
                  I think they're all 274mm aren't they? Smaller than the single brake models, those are about 295mm.
                  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

                  www.agadisplay.com
                  www.parasiticsanalytics.com

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

                  Comment


                    #10
                    Hey...sheesh......edited my first post in this thread...and poof....all disappeared. Aaargh.

                    Anyway....offsets are same. Front rotor on rear AOK. 4.5MM and 6MM are minimums. Brakes operate beautifully. EBC pads F and R.

                    I shall not edit this ;-))

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                      #11
                      Originally posted by salty_monk View Post
                      Gone... Who knows? Something we said?
                      Salty......yer one of the good ones

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