1 bike is never enough, new to me 71 BMW R75/5

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  • bomber737
    • Feb 2026

    #1

    1 bike is never enough, new to me 71 BMW R75/5

    I have been away for quite a while and I finally got home. I found this bike on CL the first day it was listed and mad a deal on it on the spot. So now I am the proud owner of a 1971 BMW R75/5. This bike looks to be a nice complete barn find. It has been sitting for the last 20 years but is in such good shape I think it will just get a re-conditioning of all the rubber parts and back on the road it goes. I do have the headlight lense and I will probably get rid of the seat back and the funky fairing. I think it is a 60's era Avon. Not my taste but I would bet it would look great on a Triumph or Norton.


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    Last edited by Guest; 12-24-2014, 12:57 AM.
  • GS1150Pilot
    Forum LongTimer
    Past Site Supporter
    • Nov 2013
    • 18917
    • MoN, AZ

    #2
    Such cool bikes. I love Airheads.
    "Thought he, it is a wicked world in all meridians; I'll die a pagan."
    ~Herman Melville

    2016 1200 Superlow
    1982 CB900f

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    • Rob S.
      Forum Guru
      Past Site Supporter
      • Dec 2013
      • 9393
      • New York City

      #3
      I like it a lot. And the front drum brake? Shouts, "Classic motorcycle!"

      If I were king, it would be free to register. You're doing the world a favor by putting it on the road.

      Please keep us updated with plenty of pics.
      1982 GS1100E V&H "SS" exhaust, APE pods, 1150 oil cooler, 140 speedo, 99.3 rear wheel HP, black engine, '83 red

      2016 XL883L sigpic Two-tone blue and white. Almost 42 hp! Status: destroyed, now owned by the insurance company. The hole in my memory starts an hour before the accident and ends 24 hours after.

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      • bomber737

        #4
        I certainly will take a bunch of pictures. First thing thats going to happen is the rear end is coming of and I will be replacing the rear main seal and lubing the drive splines. The bike has 33000 miles on it. The thing I like the best is the spedo and tach are in the headlight bucket but the tach needle is broken. So off to a guy on the ADV forum to get rebuilt. Of course the tires are crap but I am hoping the spokes are all good and tensioned properly. The guy who i got it from cleaned the dust off the tank and polished it up so I think it will stay as is. It polished up very nicely.

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

          #5
          Nice find! There was a nice white 1972 in town last year for sale. I was tempted.
          sigpic
          83 GS1100g
          2006 Triumph Sprint ST 1050

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

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

            #6
            Super cool old bike. BMW got it right! Love the knee pads on the tank.
            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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            • ron bayless
              Forum Sage
              Past Site Supporter
              • Sep 2005
              • 1599
              • denton texas

              #7
              walnecks restore an r 90 s.They dynoed it at only 47 hp.I was surprised, I thought much more than that and your 750 I wonder.And people have toured on them for years.
              future owner of some year and displacement GS bike,as yet unclaimed and unowned.

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

                #8
                Originally posted by ron bayless
                walnecks restore an r 90 s.They dynoed it at only 47 hp.I was surprised, I thought much more than that and your 750 I wonder.And people have toured on them for years.
                One of my first cars had 69 hp, and it weighed about 2300 lbs.
                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

                • bomber737

                  #9
                  It's all about gearing. Back in the late 60's. Bridgestone raced a 50 cc bike that went over 100 and revved out at 16000 rpm. I know this is not a performance bike but it really doesn't take much hp to overcome the friction of the engine and wheels once your up to speed. I just won't get there in 3 sec. Heck, modern 103 cu in harleys aren't making more than that with fuel injection .
                  Last edited by Guest; 01-18-2015, 06:47 PM.

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                  • ron bayless
                    Forum Sage
                    Past Site Supporter
                    • Sep 2005
                    • 1599
                    • denton texas

                    #10
                    Originally posted by bomber737
                    It's all about gearing. Back in the late 60's. Bridgestone reached a 50 cc bike that went over 100 and reed out at 16000 rpm. I know this is not a performance bike but it really doesn't take much hp to overcome the friction of the engine and wheels once your up to speed. I just won't get there in 3 sec. Heck, modern 103 cu in harleys aren't making more than that with fuel injection .
                    So true.I once owned a 900 pound ultra.62 hp.I also owned a 64 vw.40 hp.
                    future owner of some year and displacement GS bike,as yet unclaimed and unowned.

                    Comment

                    • bomber737

                      #11
                      Should have put a vw bus engine in it and got er up to 50hp. I had a friend in highschool who did that and his bug flew. Had great a/c as well with all the holes in the floor boards.

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                      • Grimly
                        Forum Guru
                        Past Site Supporter
                        Super Site Supporter
                        • Sep 2012
                        • 5764
                        • Ireland

                        #12
                        Originally posted by ron bayless
                        walnecks restore an r 90 s.They dynoed it at only 47 hp.I was surprised, I thought much more than that and your 750 I wonder.And people have toured on them for years.
                        It requires 30hp to push an unfaired bike along at 100mph. 47 is plenty.
                        Dave
                        '79 GS850GN '80 GS850GT
                        Only a dog knows why a motorcyclist sticks his head out of a car window

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                        • subforry

                          #13
                          Nice, I want one, especially a 1971 because I was born that year.

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                          • RichDesmond
                            Forum Sage
                            Past Site Supporter
                            • Jul 2011
                            • 2757
                            • NoVa

                            #14
                            Very nice find, congrats!! Love the older airheads.
                            Last edited by RichDesmond; 01-21-2015, 08:11 PM.
                            '20 Ducati Multistrada 1260S, '93 Ducati 750SS, '01 SV650S, '07 DL650, '01 DR-Z400S, '80 GS1000S, '85 RZ350

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                            • wymple
                              Forum Sage
                              Past Site Supporter
                              • Apr 2014
                              • 1893
                              • SE Iowa

                              #15
                              Originally posted by subforry
                              Nice, I want one, especially a 1971 because I was born that year.
                              Kids

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