Wacky vin!?

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  • Mike Larkin
    Forum Newbie
    • Feb 2024
    • 10
    • Cincinnati

    #1

    Wacky vin!?

    Sorry if this is the wrong place to post this. I am finishing up a restoration of a 1979 GS750. I'm trying to figure out the sub model to purchase the correct front caliper rebuild kit. The problem is my vin is kind of weird. It's GS75046834. I can find nothing about this vin and it is stamped on the head tube. Has anyone ever ran across this? Shouldn't it begin with a J? Thanks for any help in advance.
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35784
    • Torrance, CA

    #2
    The 17 digit VIN methodology came in after your bike was built. 1981? I'm not sure.

    Rebuild parts for those round puck brake pad calipers is getting hard to find. I'm not sure what to suggest other than getting the PN's off Partzilla, or similar, and then hunting the internet. Worst case, replace the caliper with a later model GS caliper. They work better and are readily available.
    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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    • Mike Larkin
      Forum Newbie
      • Feb 2024
      • 10
      • Cincinnati

      #3
      I can find the rubber bits. Those and new hoses I think will get me going just trying to get it right the first time. thanks for the reply! Would the later model calipers bolt up or would I be fabricating new mounting plates?

      Comment

      • Sandy
        Forum Guru
        Past Site Supporter
        • Feb 2004
        • 7502
        • Cranbrook, BC Canada

        #4
        If you don't already know single disk and dual disk configurations use different parts for both the calipers and master cylinder.
        '84 GS750EF (Oct 2015 BOM) '79 GS1000N (June 2007 BOM)

        Comment

        • Rijko
          Forum Sage
          • Feb 2014
          • 1445
          • Netherlands

          #5
          Originally posted by Mike Larkin
          ... The problem is my vin is kind of weird. It's GS75046834.
          Check below, as you can see in 1980 the GS750 used 6-digit numbers.
          It is a 1979 GS750 N or EN, i would guess N.




          Last edited by Rijko; 02-05-2024, 04:58 PM.
          Rijk

          Top 10 Newbie Mistakes thread

          CV Carb rebuild tutorial
          VM Carb rebuild tutorial
          Bikecliff's website
          The Stator Papers

          "The thing about freedom - it's never free"

          Comment

          • rphillips
            Forum Guru
            Past Site Supporter
            Super Site Supporter
            • Jun 2005
            • 7609
            • Norene TN

            #6
            Per the chart and Mike's early number, his GS75046834 probably had a Mfg. date in 1978
            1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

            Comment

            • Big T
              Forum LongTimer
              Past Site Supporter
              Super Site Supporter
              • Mar 2005
              • 12388
              • West Slope, OR

              #7
              1979 750s came in 3 models
              standard aka N wire wheels, flat seat, one front disc
              EN. Cast wheels, stepped seat, two front discs
              LN big stepped seat, small tank, chrome headlight and fenders

              Post up a picture and we can tell you which one you have
              1978 GS 1000 (since new)
              1979 GS 1000 (The Fridge, superbike replica project)
              1978 GS 1000 (parts)
              1981 GS 850 (anyone want a project?)
              1981 GPZ 550 (backroad screamer)
              1970 450 Mk IIID (THUMP!)
              2007 DRz 400S
              1999 ATK 490ES
              1994 DR 350SES

              Comment

              • rphillips
                Forum Guru
                Past Site Supporter
                Super Site Supporter
                • Jun 2005
                • 7609
                • Norene TN

                #8
                If I understand the chart correctly it's a GS750 "N"
                1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

                Comment

                • Rijko
                  Forum Sage
                  • Feb 2014
                  • 1445
                  • Netherlands

                  #9
                  Originally posted by rphillips
                  If I understand the chart correctly it's a GS750 "N"
                  yes, agreed, that is how i read the chart too !
                  Rijk

                  Top 10 Newbie Mistakes thread

                  CV Carb rebuild tutorial
                  VM Carb rebuild tutorial
                  Bikecliff's website
                  The Stator Papers

                  "The thing about freedom - it's never free"

                  Comment

                  • Mike Larkin
                    Forum Newbie
                    • Feb 2024
                    • 10
                    • Cincinnati

                    #10
                    Originally posted by Big T
                    1979 750s came in 3 models
                    standard aka N wire wheels, flat seat, one front disc
                    EN. Cast wheels, stepped seat, two front discs
                    LN big stepped seat, small tank, chrome headlight and fenders

                    Post up a picture and we can tell you which one you have
                    I'm still learning how to work this site a pic is out of the question at this technologically disadvantaged time lol. When the bike came to me someone had painted every stinking square inch of the bike with a forest green metallic paint. I stripped it to the frame and started from scratch. The bike had spoked wheels, a stepped seat and dual calipers in the front. I trimmed the seat to make it flat basically because the bike was hammered from the start I just built it to resemble a 1977 gs750 with dual calipers. The bike is looking fantastic I agree it looks as though its a gs750n so on the hunt for caliper rebuild kits and hoses. I'm also looking for the lock for the fuel tank cover if anyone has a lead on that one. Thanks for the replies I really appreciate it!

                    Comment

                    • Mike Larkin
                      Forum Newbie
                      • Feb 2024
                      • 10
                      • Cincinnati

                      #11
                      Originally posted by Big T
                      1979 750s came in 3 models
                      standard aka N wire wheels, flat seat, one front disc
                      EN. Cast wheels, stepped seat, two front discs
                      LN big stepped seat, small tank, chrome headlight and fenders

                      Post up a picture and we can tell you which one you have
                      You do not have permission to view this gallery.
                      This gallery has 1 photos.

                      Comment

                      • Mike Larkin
                        Forum Newbie
                        • Feb 2024
                        • 10
                        • Cincinnati

                        #12
                        IMG_0504.jpghalf way there​

                        Comment

                        • Mike Larkin
                          Forum Newbie
                          • Feb 2024
                          • 10
                          • Cincinnati

                          #13
                          IMG_4432.jpg​Nearly ready to ride

                          Comment

                          • Kiwi Canuck
                            Forum Sage
                            Past Site Supporter
                            • Jan 2013
                            • 1750
                            • Langley, BC

                            #14
                            Wow what a transformation, great job.

                            If you want a factory looking seat cover, you could try Pit Replica, their seat covers are reasonable and look very close to the OEM ones.



                            2018 Honda Africa Twin AS
                            2013 DR 650 Grey, sold 1981 GS 650E Silver,

                            1980 GS1000ST Blue & White, X2

                            2012 DL650 Vstrom Foxy Orange, in storage
                            1981 CT110 X2 "Postie Bikes" Gone to a New Home.
                            2002 BMW 1150 GS Blue & White - Sold
                            1975 BMW R90/6 Black - Sold 1984 GS1150EF Sold
                            1982 BMW R100 Africa trip, Stolen - Recovered- Sold
                            1977-1980 Suzuki GS550, GS1000E, GS1000S GSX750, GSX1100,s
                            Hondas ST90, CR125 CB175 , CB350 CB750, NSU Quickly, Yamaha RD's 350/400,

                            Comment

                            • Big T
                              Forum LongTimer
                              Past Site Supporter
                              Super Site Supporter
                              • Mar 2005
                              • 12388
                              • West Slope, OR

                              #15
                              Originally posted by Mike Larkin
                              IMG_4432.jpg​Nearly ready to ride
                              E model with flat seat
                              1978 GS 1000 (since new)
                              1979 GS 1000 (The Fridge, superbike replica project)
                              1978 GS 1000 (parts)
                              1981 GS 850 (anyone want a project?)
                              1981 GPZ 550 (backroad screamer)
                              1970 450 Mk IIID (THUMP!)
                              2007 DRz 400S
                              1999 ATK 490ES
                              1994 DR 350SES

                              Comment

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