Help with engine I'd? Gs1100X

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  • 81gs7501166
    • Feb 2026
    #1

    Help with engine I'd? Gs1100X

    When I bought my 81 gs 750, it already had a 1100 engine partially installed.
    I was told it was an 82 model?
    In the stamping it is gs1100X?
    Can I Id the engine from this Number?
    It now has g3 cams, came with engine, and I got a deal on a 1166 cylinder and pistons off a drag bike that upgraded,
    Paid 200 $, bought rings and gaskets,and been riding it off and on past 15 years.
    It sat 3-4 years and this summer I got it back out.
    It has taken all summer in spar time to get all the bugs out.
    It seems to run really well now that I've changed the baffle and re Cal the carb.
    I thought it ran strong when it was in a poor state of tune?
    Last jet Change was up to a 127.5, went for a test saturday,temp 50 degree.
    As I was leaving a stop,getting close to home, I nailed it in first bout 3k,
    At 5-6k ish the rear broke loose, took it to9500 shifted,front came up bout 2in, 9500 again, then time to slow for home.
    Now I've had the front to come up a tad before but never broke traction, is this Normal?
    Are all 1100s this stout when in proper tune, it was a little Scarry, and unexpected!
    I'm sure thE cool air didn't hurt any thing.
    Anyway what does that x mean in my number?
    Thanks
    Tags: None
    • 81gs7501166
      #2
      GS110X-110092 is the exact number?

        Comment

        • 81gs7501166
          #3
          Did some Google research, looks like a 108ish HP engine?

            Comment

            • Nessism
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              Super Site Supporter
              • Mar 2006
              • 35790
              • Torrance, CA
              #4
              Photo in your signature is upside down. Quite distracting. You may want to just delete it if you can't fix it. It seems almost identical to your avatar photo anyway.

              Silver colored engine suggests 1980-1982. 1983 1100E engines are black. Sometime in 1982 Suzuki welded the crank and increased the crank end stem diameter which holds the flywheel rotor. You may want to remove the stator cover and look because if your bike has the small rotor snout you have a higher risk of twisting the crank with those hard launches.

              Suzuki information seems to suggest a small hp bump as the years went on. There were some camshaft evolution so that may explain the reason.
              Last edited by Nessism; 11-14-2017, 10:12 AM.
              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

                Comment

                • Redman
                  Forum LongTimer
                  Past Site Supporter
                  • Mar 2004
                  • 13723
                  • Michigan, west Michigan
                  #5
                  An x in the model number can mean 1981. A z is 1982. But that is in the model number.
                  Like gs1100ex where e is model and x is the year.
                  or ga1100gz where g is model and z is 1982.

                  But you are talking about what is stamped on engine.
                  http://webpages.charter.net/ddvrnr/GS850_1100_Emblems.jpg
                  Had 850G for 14 years. Now have GK since 2005.
                  GK at IndyMotoGP Suzuki Display... ... GK on GSResources Page ... ... Euro Trash Ego Machine .. ..3 mo'cykls.... update 2 mocykl


                  https://imgur.com/YTMtgq4

                    Comment

                    • 81gs7501166
                      #6
                      Yes these are engine numbers, I'm using a 81 gs750 frame. At least that's what the title says?

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