I need valves!

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  • snyderman
    • Feb 2026

    #1

    I need valves!

    I need 2 intake and 2 exhaust valves for my 1978 gs 750. I checked Cycle re-cycle and they have everything but. Any suggestions?
  • MisterCinders

    #2
    Z1 Enterprises has valves. Look for a used cylinder head on eBay and cannibalize that for valves.

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    • snyderman

      #3
      Thanks, I got in touch with Cycle re-cycle and I am thinking about buying a used head from him. He tells me that he can sell me a head that I can lap the valves, replace the seals and be good to go for no more than $175. My head needs seats cut and also has 2 exhaust bolts broke off. The valve job and bolt extractions will cost over 200$. Cycle re-cycle will sell me used valves for $10. four valves plus shipping is another $50. So the difference in money is about $100. That is alot for my very limited budget. Any thoughts on which is better?

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      • Guest

        #4
        If you do buy a used head get the top of your cylinders and the head cleaned up at a machine shop so they mate.

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        • snyderman

          #5
          I think I will be better off sticking with the head I have. Cycle Recycle has good used valves for $10 each, so I think I will get 4 of them and continue with the valve job.

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          • Guest

            #6
            Originally posted by snyderman
            I think I will be better off sticking with the head I have. Cycle Recycle has good used valves for $10 each, so I think I will get 4 of them and continue with the valve job.
            If the valves are the same as a GS1000, you can have some of my extras for the postage. Ray

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            • snyderman

              #7
              Can anyone confirm this? I would be grateful for the gift!

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              • Guest

                #8
                Originally posted by snyderman
                Can anyone confirm this? I would be grateful for the gift!
                I just looked at the Suzuki Fiche and they are the same p/n. Send me you mailing info. Ray

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                • snyderman

                  #9
                  I just sent you an email.

                  Thank you very much!!

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                  • TeamDar
                    Forum Sage
                    Past Site Supporter
                    • Nov 2008
                    • 1137
                    • St. Louis, MO

                    #10
                    Danger Will Robinson! The 750 and 1000 valves do not interchange. GS750 uses 36mm in and 30mm ex. The GS1000 uses 38mm in and 32mm ex.

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                    • Guest

                      #11
                      Originally posted by TeamDar
                      Danger Will Robinson! The 750 and 1000 valves do not interchange. GS750 uses 36mm in and 30mm ex. The GS1000 uses 38mm in and 32mm ex.
                      Is this the case, I must have misread the p/n on the fische. I could swear they had the same number. Well if they are wrong you can either hang on to them or send them back. Ray

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                      • TeamDar
                        Forum Sage
                        Past Site Supporter
                        • Nov 2008
                        • 1137
                        • St. Louis, MO

                        #12
                        Originally posted by Ghostgs1
                        Is this the case, I must have misread the p/n on the fische. I could swear they had the same number. Well if they are wrong you can either hang on to them or send them back. Ray
                        The last 5 digits of the part#s are 45XXX for most 750 parts and 49XXX for most 1000/1100 parts.... Thats the case with the valves.

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                        • Nessism
                          Forum LongTimer
                          GSResource Superstar
                          Past Site Supporter
                          Super Site Supporter
                          • Mar 2006
                          • 35790
                          • Torrance, CA

                          #13
                          The valve springs are the same, but not the valves.
                          Ed

                          To measure is to know.

                          Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

                          Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

                          Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

                          KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

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                          • snyderman

                            #14
                            Thanks everyone for the information. I will order 4 used valves from Cyclle Recycle.

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