Clutch disc question

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  • stain
    • Apr 2026

    #1

    Clutch disc question

    I am changing the clutch in my 1979 GS1000E. There are 8 fiber plates in my clutch. I purchased 8 new fiber plates from a site sponser. The new K&L plates measure 3.5mm thick. My old plates measure 2.5mm thick. I called the supplier and they assured me this was the correct part number. As you can guess I can only fit 7 plates in the basket. Has anyone else come across this? I checked the Suzuki factory parts and the old disc number supercedes to a new plate number showing only needing 7 plates. Has anyone purchased new genuine Suzuki plates latley? If so how many were needed and how thick were they? Or better yet has anyone installed K&L clutch plates in GS1000 latey and how many were needed?
    Thanks
  • Guest

    #2
    The service manual says the standard thickness when new for drive plates is 2.7-2.9mm, replace when less than 2.4mm. I'm assuming that the drive plates mentioned were fibers.

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    • rustybronco
      Forum LongTimer
      Bard Award Winner
      GSResource Superstar
      Past Site Supporter
      • Jul 2005
      • 14961
      • Marysville, Michigan

      #3
      8 frictions and 7 steels are required for your model and yes I have bought new OEM frictions within the past 2~3 weeks.

      De-stinking Penelope http://thegsresources.com/_forum/sho...d.php?t=179245

      http://www.thegsresources.com/_forum...35#post1625535

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      • stain

        #4
        Originally posted by sedelen
        The service manual says the standard thickness when new for drive plates is 2.7-2.9mm, replace when less than 2.4mm. I'm assuming that the drive plates mentioned were fibers.
        Yes, I saw that in my manual also. I am talking about the fibre plates.
        Rusty--what part number were those, the old superceded part number or the new number? The plates you referenced were for a 1980 GS1000 according to the Suzuki parts fich, they list different for 78,79 as well as a different number of plates.???
        Maybe I am making to much of it.

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        • rustybronco
          Forum LongTimer
          Bard Award Winner
          GSResource Superstar
          Past Site Supporter
          • Jul 2005
          • 14961
          • Marysville, Michigan

          #5
          They were supposedly p/n # 21441-49002

          The complete p/n chain for my 78 GS1000E is...

          21441-49000 r/b
          21441-49001 r/b
          21441-49002

          The frictions are called plate, drive
          The steels are called plate, driven
          De-stinking Penelope http://thegsresources.com/_forum/sho...d.php?t=179245

          http://www.thegsresources.com/_forum...35#post1625535

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          • stain

            #6
            I just went with the 7 plates. The basket is full so as long as the discs don't slip Igues it'll be OK.

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