82 GS750E ?s I am now scared

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  • gs650mann
    • Feb 2026

    #1

    82 GS750E ?s I am now scared

    Ok I got this bike 4 months ago fro a man in his 60s it was a one owner.....i wanted a classic GS CB or KZ..so when I found this one a one owner with 18k on it I jumped on it...look at it she looks great!


    it runs like new!!!!!!!!! Very well cared for I thought I had a GREAT bike.

    But after I went to a local bike nite a few days ago I am freaked.

    I spoke with a guy that said I would be lucky to get 30k miles out of this bike...that the engines were JUNK...said they didnt oil good and the motor would not last. Said he thought there was a shim fix or something but even that was a waste of time!

    WTF is he talking about? Now I want to sale the bike and get a CB
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    #2
    Originally posted by gs650mann
    Ok I got this bike 4 months ago fro a man in his 60s it was a one owner.....i wanted a classic GS CB or KZ..so when I found this one a one owner with 18k on it I jumped on it...look at it she looks great!


    it runs like new!!!!!!!!! Very well cared for I thought I had a GREAT bike.

    But after I went to a local bike nite a few days ago I am freaked.

    I spoke with a guy that said I would be lucky to get 30k miles out of this bike...that the engines were JUNK...said they didnt oil good and the motor would not last. Said he thought there was a shim fix or something but even that was a waste of time!

    WTF is he talking about? Now I want to sale the bike and get a CB
    BULL SH*T, my 1980 GS750E has 59,000 miles on it, never been into the motor There is a simple shim upgrade for the oil pressure. I've never done it, haven't had too. It's all in the maintenance man. Valve adjustments, Oil changes, etc etc. Tell those guys they haven't a f**king clue what they are talking about. Keep the GS. Some people....

    Comment

    • gs650mann

      #3
      Originally posted by mrbill5491
      BULL SH*T, my 1980 GS750E has 59,000 miles on it, never been into the motor There is a simple shim upgrade for the oil pressure. I've never done it, haven't had too. It's all in the maintenance man. Valve adjustments, Oil changes, etc etc. Tell those guys they haven't a f**king clue what they are talking about. Keep the GS. Some people....
      Dont u have the 8 valve engine? I think he was only talking about the 16v engine

      Comment

      • tkent02
        Forum LongTimer
        Past Site Supporter
        • Jan 2006
        • 35571
        • Near South Park

        #4
        Well they mostly last forever like any other Suzuki, all of the 1980 GS 750s I have had ran flawlessly for many thousands of miles. If and when it fails the 1100 engine bolts right in.

        Win Win situation. The guy you met is a moron.
        http://img.photobucket.com/albums/v5...tatesMap-1.jpg

        Life is too short to ride an L.

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        • posplayr
          Forum LongTimer
          GSResource Superstar
          Past Site Supporter
          • Dec 2007
          • 23673
          • Tucson Az

          #5
          Of all the Suks, the 1980-1982GS750E might be the weakest link , and the main bearings do tend to cease, but mine had 58 thousand on it when I sold it and due to oil leaks in the bottom end I split the cases. The bearing were not perfect but certainly not a problem. You can shim an oil pressure relief valve to increase he pressure.

          It is just occurred to me that the oil pressure relief valve might even be the problem??? One way to make sure is put a pressure gauge on it and see how your pressure is running. I had the 1981 as my first street bike and it ran very well and for a big bike was great to cruz around on. Not really for the highway like an 1100 is, but for around town nice scoot.

          After a repaint


          Mains at 58K Miles


          Last edited by posplayr; 05-22-2015, 07:29 PM.

          Comment

          • gs650mann

            #6
            Would thin oil help???

            Comment

            • posplayr
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              • Dec 2007
              • 23673
              • Tucson Az

              #7
              Originally posted by gs650mann
              Would thin oil help???

              Yea fill the crankcase with WD-40

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

                #8
                Originally posted by posplayr
                Yea fill the crankcase with WD-40

                Jim....WTF!
                sigpic
                83 GS1100g
                2006 Triumph Sprint ST 1050

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

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                • gs650mann

                  #9
                  Originally posted by posplayr
                  Yea fill the crankcase with WD-40

                  U a funny guy..u taking over for Letterman? Will 0W-20 oil not flow faster and reach tighter spaces that the 10w-40

                  Comment

                  • Guest

                    #10
                    Thinner oil will not pump properly. It would do the opposite.

                    Comment

                    • GS1150Pilot
                      Forum LongTimer
                      Past Site Supporter
                      • Nov 2013
                      • 18917
                      • MoN, AZ

                      #11
                      Trollish OP.
                      "Thought he, it is a wicked world in all meridians; I'll die a pagan."
                      ~Herman Melville

                      2016 1200 Superlow
                      1982 CB900f

                      Comment

                      • gs650mann

                        #12
                        Originally posted by posplayr
                        Of all the Suks, the 1980-1982GS750E might be the weakest link , and the main bearings do tend to cease, but mine had 58 thousand on it when I sold it and due to oil leaks in the bottom end I split the cases. The bearing were not perfect but certainly not a problem. You can shim an oil pressure relief valve to increase he pressure.

                        It is just occurred to me that the oil pressure relief valve might even be the problem??? One way to make sure is put a pressure gauge on it and see how your pressure is running. I had the 1981 as my first street bike and it ran very well and for a big bike was great to cruz around on. Not really for the highway like an 1100 is, but for around town nice scoot.

                        After a repaint


                        Mains at 58K Miles


                        where do i get a gauge and where do i hook up at

                        Comment

                        • posplayr
                          Forum LongTimer
                          GSResource Superstar
                          Past Site Supporter
                          • Dec 2007
                          • 23673
                          • Tucson Az

                          #13
                          Originally posted by gs650mann
                          where do i get a gauge and where do i hook up at
                          Ask Reno Bruce if he still has them. If not they are on ebay. Plenty of people use them. I doubt the longevity of anything pressure gauge hooked to the motor but you are just checking pressure to confirm the relief valve is set properly.

                          If you sell parts or provide services for GS series motorcycles, place a description of it in this forum.

                          Comment

                          • GSXR7ED
                            Forum LongTimer
                            Past Site Supporter
                            • Dec 2012
                            • 10146
                            • DE via L.A.

                            #14
                            Not Knowing

                            Originally posted by gs650mann
                            Dont u have the 8 valve engine? I think he was only talking about the 16v engine
                            Mr Bill has the 16V.

                            Sounds like that individual you spoke to has never owned a GS...either that or he exaggerated some minor problems that owners didn't know how to fix.


                            Ed


                            EDIT: Nice Bike, btw. I dig 750s.
                            Last edited by GSXR7ED; 05-23-2015, 06:54 AM.
                            GS750TZ V&H/4-1, Progressive Shocks, Rebuilt MC/braided line, Tarozzi Stabilizer[Seq#2312]
                            GS750TZ Parts Bike [Seq#6036]
                            GSX-R750Y (Sold)

                            my opinion shouldn't be taken as gospel or in any way that would lead you to believe otherwise (30Sep2021)

                            Comment

                            • gs650mann

                              #15
                              Originally posted by GSXR7ED
                              Mr Bill has the 16V.

                              Sounds like that individual you spoke to has never owned a GS...either that or he exaggerated some minor problems that owners didn't know how to fix.


                              Ed


                              EDIT: Nice Bike, btw. I dig 750s.
                              How do I fix???

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