Splitting Cases

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  • Kyler
    • Feb 2026
    #1

    Splitting Cases

    I'm stripping my three toasted race motors in preparation for recycling the steel and aluminum. I can't even get a crack started on the very first motor. I'm trying to do this the correct way as a learning opportunity.

    Any advise?
    Tags: None
    • Agemax
      Forum Guru
      • Apr 2008
      • 8371
      • plymouth uk
      #2
      Bfh........
      1978 GS1085.

      Just remember, an opinion without 3.14 is just an onion!

        Comment

        • chuck hahn
          Forum LongTimer
          Past Site Supporter
          • May 2009
          • 25918
          • Norman, Oklahoma
          #3
          There are two spots that are designed a pry points..one at the front of the cases and one at the back of the tranny. Youll see the two offset areas about 3/4 inch long..one on top of the other..youll recognise them when you see them. Big wide flat tip and some twisting and prying motion will crack the sealer loose.
          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

            • Guest
              #4
              Make sure you have all the bolts removed before you try to split them

                Comment

                • chuck hahn
                  Forum LongTimer
                  Past Site Supporter
                  • May 2009
                  • 25918
                  • Norman, Oklahoma
                  #5
                  Yes..the front center one is usually the one folks miss.
                  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

                    • Kyler
                      #6
                      Originally posted by chuck hahn
                      Yes..the front center one is usually the one folks miss.
                      accessible from the top or bottom? I almost missed the two allen head bolts in the oil filter cavity

                        Comment

                        • chuck hahn
                          Forum LongTimer
                          Past Site Supporter
                          • May 2009
                          • 25918
                          • Norman, Oklahoma
                          #7
                          Should be from the bottom front where the halves join....and I think theres one inside the oil pan cover too. remove the pan and see if theres a 12 or 14 MM bolt head there.
                          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

                            • rapidray
                              Forum Guru
                              GSResource Superstar
                              • Oct 2006
                              • 8195
                              • So Cal
                              #8
                              You got all the screws behind the clutch hub too? Call me if you need to. I am around.
                              Ray.

                                Comment

                                • Kyler
                                  #9
                                  Originally posted by rapidray
                                  You got all the screws behind the clutch hub too? Call me if you need to. I am around.
                                  Ray.
                                  I'm done for today. I went trials riding on a 30+ year old bike and had my ass handed to me. Sidecar racing is a piece of cake by comparison!

                                    Comment

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