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Looking for fork cap preload adjusters for GS650G

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    Looking for fork cap preload adjusters for GS650G

    I completed a front fork swap/ modification on my 1976 GT750 Water Buffalo to a set of GS650G forks. This allowed me to do the front twin pot double front brake conversion using Valkyrie front rotors, a chrome GS850 front fender, and using a V Strom 650 5/8” master cylinder. I used Progressive springs with 15w fork oil and the change alone gives me 2 inches of additional travel as the stock GT750 forks only have 4 inches of travel before sag. I’m building a second set of GS650G forks for a friend who gave me a nice 1st over cylinder block I needed for the GT750. I’m looking for the preload fork adjuster caps for the GS650G. Can someone point me in the right direction or give an interchange model within the same threads? Thanks in advance!
    1976 Suzuki GT750A (Maui Blue)
    1972 Kawasaki H2 750 Mach IV (Candy Tone Blue)
    1984 Yamaha RZ350 KRR (Competition Yellow)

    Evans
    Macon, GA

    #2
    I think the 650G is 35mm fork so I doubt there is any other model you can pull from. The 750's will be too old to have preload adjust & the 550E didn't have it. Maybe the last of the 550 did (It went a year or two longer in Canada & Eu I think...). Just going from memory. Good luck
    1980 GS1000G - Sold
    1978 GS1000E - Finished!
    1980 GS550E - Fixed & given to a friend
    1983 GS750ES Special - Sold
    2009 KLR 650 - Sold - gone to TX!
    1982 GS1100G - Rebuilt and finished. - Sold

    www.agadisplay.com
    www.parasiticsanalytics.com

    TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

    Comment


      #3
      Thanks! That gives me a start. I may search the web for Suzuki models with 35mm forks and see what comes up.
      1976 Suzuki GT750A (Maui Blue)
      1972 Kawasaki H2 750 Mach IV (Candy Tone Blue)
      1984 Yamaha RZ350 KRR (Competition Yellow)

      Evans
      Macon, GA

      Comment


        #4
        dotheton.com have a list of various fork tube diameters, somewhere.
        https://www.dotheton.com/index.php?f...suspension.92/
        ---- Dave
        79 GS850N - Might be a trike soon.
        80 GS850T Single HIF38 S.U. SH775, Tow bar, Pantera II. Gnarly workhorse & daily driver.
        79 XS650SE - Pragmatic Ratter - goes better than a manky old twin should.
        92 XJ900F - Fairly Stock, for now.

        Only a dog knows why a motorcyclist sticks his head out of a car window

        Comment


          #5
          Would any member here know the fork top cap size in mm as well as thread pitch for the GS650G?
          1976 Suzuki GT750A (Maui Blue)
          1972 Kawasaki H2 750 Mach IV (Candy Tone Blue)
          1984 Yamaha RZ350 KRR (Competition Yellow)

          Evans
          Macon, GA

          Comment


            #6
            I know the thread can be different on different models. For example you can't just put the 1100 adjusters on the 1000 even though they are both 37mm forks.. Tried that.

            It's a really fine thread for it's diameter. I bought some "Chinese" ones of Ebay for the KLR. Surprisingly good. I guess they are very simple.
            1980 GS1000G - Sold
            1978 GS1000E - Finished!
            1980 GS550E - Fixed & given to a friend
            1983 GS750ES Special - Sold
            2009 KLR 650 - Sold - gone to TX!
            1982 GS1100G - Rebuilt and finished. - Sold

            www.agadisplay.com
            www.parasiticsanalytics.com

            TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

            Comment


              #7
              Was not able to find any for the GS650G forks so had to make them.
              1976 Suzuki GT750A (Maui Blue)
              1972 Kawasaki H2 750 Mach IV (Candy Tone Blue)
              1984 Yamaha RZ350 KRR (Competition Yellow)

              Evans
              Macon, GA

              Comment

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