Info on XS 7 1/2 where to look?

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  • cnap504
    XSive
    • Dec 2020
    • 56
    • Louisiana

    #1

    Info on XS 7 1/2 where to look?

    I have a 1977 XS 750 that needs a regulator/rectifier. The microfiche shows both a regulator/rectifier unit and also separates. Anyone know which way I should go or maybe a specific Yamaha triples forum? Thanks
  • Radioguylogs
    XS-XJ Guru
    • Nov 2012
    • 1933
    • Presque Isle, MI

    #2
    There was a XS750 forum (Yamaha-Triples.org) that fizzled out a few years ago.

    One of the Triples members tried to make a new site, and include other XS models as well, but it barely got off the ground before it was neglected.

    There is a Triples site in the UK, but it's not overly active.

    It seems most of the activity is currently on Facebook, but I am not a Facebook member, so I don't know too much about it.

    Meanwhile, I see what you mean about the regulator in the 1977 parts fiche. I don't recognize 1L9-81910-50-00 VOLTAGE REG ASSEMBLY.

    In later years, there is only one regulator shown, and it is what I recognize: 1T4-81960-A0-00 RECTIFIER/REG ASSEMBLY. This same part shows up on the 1977 XS750 fiche. Note it is exactly the same the XS1100 regulator/rectifier. I am pretty sure this is what you are looking for. On my XS750SF, it's under the battery on the left side- look for the cooling fins..







    Last edited by Radioguylogs; 03-22-2021, 09:24 PM.
    -Mike
    _________
    '79 XS1100SF 20k miles
    '80 XS1100SG 44k miles
    '81 XS1100H Venturer 35k miles
    '79 XS750SF 17k miles
    '85 Honda V65 Magna ~7k miles
    '84 Honda V65 Magna 48k miles (parts bike)
    '86 Yamaha VMAX 9k miles

    Previous: '68 Motoguzzi 600cc + '79 XS750SF 22k miles +'84 Honda V65

    Comment

    • Bax
      XStremely XSive
      • Jan 2016
      • 344
      • Merrimack, NH

      #3
      cnap504 You can purchase an upgraded unit from Geezer.



      ---Bax
      80 SG, --- Slightly modified with EFI.....

      Comment

      • DiverRay
        Moderator
        • Nov 2004
        • 7600
        • Star, IDAHO

        #4
        I agree with Bax, get the unit from Geezer!
        Ray Matteis
        KE6NHG
        XS1100 E '78 (winter project)
        XS1100 SF Bob Jones worked on it!

        Comment

        • cnap504
          XSive
          • Dec 2020
          • 56
          • Louisiana

          #5
          Thanks all.
          Another question on the xs750 please. Does anyone have a picture of the 4 fuse factory panel and it’s mounting position also showing the position it’s harness goes. Thanks much

          Comment

          • Radioguylogs
            XS-XJ Guru
            • Nov 2012
            • 1933
            • Presque Isle, MI

            #6
            (...as I mentioned in your other post)

            Maybe later today I can take pictures if I go to the barn as planned.
            -Mike
            _________
            '79 XS1100SF 20k miles
            '80 XS1100SG 44k miles
            '81 XS1100H Venturer 35k miles
            '79 XS750SF 17k miles
            '85 Honda V65 Magna ~7k miles
            '84 Honda V65 Magna 48k miles (parts bike)
            '86 Yamaha VMAX 9k miles

            Previous: '68 Motoguzzi 600cc + '79 XS750SF 22k miles +'84 Honda V65

            Comment

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