Is this cylinder head to a gs1000?

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  • Lawless
    • Jan 2026

    #1

    Is this cylinder head to a gs1000?

    Hello everyone, I am new to this site and also new to the gs motorcycle. I bought a beautiful gs1000s that was not all the way complete. When looking a the motor I noticed a bolt hole on the front of the cylinder jugs, but the cylinder head does not have this hole. I took it to a local Suzuki shop and they told me that the cylinder head is from a gs750. Just looking for some other options on this. Thank you!!
    Attached Files
  • Lawless

    #2
    Here's another view
    Attached Files

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    • Nessism
      Forum LongTimer
      GSResource Superstar
      Past Site Supporter
      Super Site Supporter
      • Mar 2006
      • 35787
      • Torrance, CA

      #3
      Suzuki added that extra bolt lug sometime during the '79 model year. It won't hurt anything to use the setup in the photo, you just won't receive the benefit of the extra feature.

      As for what head you have, measure the valve sizes and compare to what shows in the factory Suzuki service manual. You can download a copy here...http://members.dslextreme.com/users/bikecliff/

      Oh, and what ever you do don't put the engine back together using green Athena gaskets. Consider this your warning.
      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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      • TeamDar
        Forum Sage
        Past Site Supporter
        • Nov 2008
        • 1137
        • St. Louis, MO

        #4
        The 750 head will have an idler gear between the camshafts.

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        • Lawless

          #5
          Thanks for the replies Now I know a little bit more about what I am dealing with.
          Here is a picture of my bike before going through the motor.
          Attached Files

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          • Guest

            #6
            Clean looking bike that's for sure. What are the rear shocks? that was somebody's baby that's for sure, welcome to the site.

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            • Lawless

              #7
              It has fox shocks on the rear.

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              • Charlie G
                Forum Guru
                Past Site Supporter
                Super Site Supporter
                • Feb 2009
                • 6440
                • Siskiyou county

                #8
                Nice rims! Welcome to the site.

                cg
                sigpic
                83 GS1100g
                2006 Triumph Sprint ST 1050

                Ohhhh!........Torque sweet Temptress.........always whispering.... a murmuring Siren

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                • Lawless

                  #9
                  Has anyone had problems because they didn't have that extra bolt ?

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                  • Guest

                    #10
                    No. If you're taking the head apart just due the routine 500 mile re-torque. Do you know what those front rotors are from?

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                    • Lawless

                      #11
                      Honestly I'm not sure what those rotors are off of.

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