1979 GS1000S Rear Cariper

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  • Vmass
    Forum Guru
    Past Site Supporter
    • Apr 2011
    • 6100
    • Massachusetts

    #1

    1979 GS1000S Rear Cariper

    I have a question regarding the alignment of the rear caliper.
    and rotor.

    Looking at the caliper and rotor from the rear of the bike, you can see the caliper groove where the rotor passes through. In it's released position (on mine), the rotor is not centered in the groove or slot.

    It is closer to the inside. Is this correct? I want to make sure I reassembled everything correctly. Everything seems to track well.

    I scanned through my pictures of my old 80' cooley, but I didn't have a good shot of it.

    I can take a picture later, if needed.

    Thanks!
  • chuck hahn
    Forum LongTimer
    Past Site Supporter
    • May 2009
    • 25925
    • Norman, Oklahoma

    #2
    The rotor wont be dead center down the center line of the caliper body Rich. If the brakes are releasing ( which you can pop off the dust cover and watch the pads working ) youre good to go.

    Little trick is to pry the pads apart with a screw driver and put a piece of paper in between the pads and rotor and then pump the brakes. Release the pedal and see if the paper will slide out. If the caliper isnt releasing it will have a death grip on the paper.
    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.

    Comment

    • Vmass
      Forum Guru
      Past Site Supporter
      • Apr 2011
      • 6100
      • Massachusetts

      #3
      Thanks Chuck.

      The brakes are grabbing and releasing just fine. It just looked a little odd that the rotor wasn't centered and wanted to check.

      Comment

      • chuck hahn
        Forum LongTimer
        Past Site Supporter
        • May 2009
        • 25925
        • Norman, Oklahoma

        #4
        I just went and looked at mine. The side closest to the rim sits inboard maybe 1/2 to 3/4 or the rotors width..just slightly off the center line. in other words...looking from the rear of the bike, the body is slightly shifted to the left a tad..is this what you are seeing???
        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.

        Comment

        • Vmass
          Forum Guru
          Past Site Supporter
          • Apr 2011
          • 6100
          • Massachusetts

          #5
          Looking at it from the rear, the rotor sits closer to the inside of the groove than the outside. There is plenty of clearance. However, it is off center a bit.

          Comment

          • chuck hahn
            Forum LongTimer
            Past Site Supporter
            • May 2009
            • 25925
            • Norman, Oklahoma

            #6
            Seems to be the normal situation far as I can tell. The 78 1000E is the same way too.
            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.

            Comment

            • Vmass
              Forum Guru
              Past Site Supporter
              • Apr 2011
              • 6100
              • Massachusetts

              #7
              Originally posted by chuck hahn
              Seems to be the normal situation far as I can tell. The 78 1000E is the same way too.
              Good enough, not going to worry about it.....thanks Chuck.

              Comment

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