rebuild - Crankshaft and gearbox oil seals GS 550 1979 + clutch pushrod verisons ?

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  • Stigy
    Forum Apprentice
    • May 2023
    • 20
    • Europe

    #1

    rebuild - Crankshaft and gearbox oil seals GS 550 1979 + clutch pushrod verisons ?

    1. I fully disassembled my motor today for full an thorough painting.
    There two huge oil seals - one on the left crankshaft side and one on a gearbox shaft.
    They stayed on their shafts and still look really good.
    I'd replace them since it's first and probably last time this engine is open this far. But they are pricey :/ Is thre somebody who splitted crankcase halves here ? Any experience with all the bottom seals ?

    2. Second thing - I found out my clutch pushrod is in two parts - one short steel and one with two "threads" on both ends. I don't understand it since there is one long clutch pushrod with "thread" on one end on every scheme for GS 550 from 1977 to 1980 and further... Can anybody explain this to me ? Or maybe the PO put some weird pushrod inside when he broke the original ?
  • Cipher
    Forum Sage
    • Mar 2016
    • 3129
    • Toronto Ontario

    #2
    Push rod is correct
    1983 GS 550 LD
    2009 BMW K1300s

    Comment

    • Stigy
      Forum Apprentice
      • May 2023
      • 20
      • Europe

      #3
      Originally posted by Cipher
      Push rod is correct
      This one looks totally different:


      And it's like this on every 1977-1980 GS 550 scheme I've found...

      Comment

      • Cipher
        Forum Sage
        • Mar 2016
        • 3129
        • Toronto Ontario

        #4
        Well the latest listed part uses an odd name
        Part# 2PARTPUSHROD Desc REPLACEMENT PUSHROD KIT -SU USD Price 48.50 Quantity
        1
        Add to cart...
        Go to shopping cart checkout...
        *supersedes 23110-44002 23110-44003 23100-44100 23100-44101​
        1983 GS 550 LD
        2009 BMW K1300s

        Comment

        • Cipher
          Forum Sage
          • Mar 2016
          • 3129
          • Toronto Ontario

          #5
          Does the rod you removed consist of a very hard dense steel section and a light alloy one?
          1983 GS 550 LD
          2009 BMW K1300s

          Comment

          • Stigy
            Forum Apprentice
            • May 2023
            • 20
            • Europe

            #6
            Originally posted by Cipher
            Does the rod you removed consist of a very hard dense steel section and a light alloy one?
            Yep, exactly that.

            Comment

            • Stigy
              Forum Apprentice
              • May 2023
              • 20
              • Europe

              #7
              Originally posted by Cipher
              Well the latest listed part uses an odd name
              Part# 2PARTPUSHROD Desc REPLACEMENT PUSHROD KIT -SU USD Price 48.50 Quantity
              1
              Add to cart...
              Go to shopping cart checkout...
              *supersedes 23110-44002 23110-44003 23100-44100 23100-44101​
              Where have You found this ?

              Any advices on bottom end oil seal ?

              Comment

              • Ecampolo
                Forum Newbie
                • Apr 2021
                • 8
                • Largo FL

                #8
                I have one apart now going back together for a big bore top end, I found all the engine seals either through partzilla or ebay. If partszilla has them they will be the cheapest and fastest to get, throw the suzuki part # from partzilla for those that show discontinued and try ebay, also look at what other models the stuff is used in on partszilla and search ebay by description and other models. Yes, that far in replace all the seals and be sure to wash all passages of contaminants especially if you sand or bead blast the cases.

                Comment

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