valve shims

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  • Gunner the Viking
    • Feb 2026

    #1

    valve shims

    I'm sure this has already been asked but i couldn't find it, so where is the best place to get valve shims i'm getting ready to redo mine and would like to get the best bargain for my money?

    And cuz i'm sure it will be asked i'm working on a 1980 GS750L with about 30k on it
  • JamesWhut?

    #2
    There is a shim trading thread here. Search "valve shims".

    Comment

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

      #3
      A 1980 750 doesn't use shims.
      http://img.photobucket.com/albums/v5...tatesMap-1.jpg

      Life is too short to ride an L.

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      • JamesWhut?

        #4
        That makes it even simpler! LOL

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        • Gunner the Viking

          #5
          Originally posted by tkent02
          A 1980 750 doesn't use shims.
          Then what does it use i've never been in the head of this one yet and any info is always helpful

          Comment

          • JTGS850GL
            Forum Guru
            Past Site Supporter
            • Aug 2013
            • 9735
            • GA

            #6
            Originally posted by Gunner the Viking
            Then what does it use i've never been in the head of this one yet and any info is always helpful
            It uses screw type adjustments. All you need is a feeler gauge, a 9mm wrench and a special tool.

            Part Number: 09917-14910 Description: DRIVER TAPPET A.

            You can find the tool on ebay all day long.
            http://img633.imageshack.us/img633/811/douMvs.jpg
            1980 GS1000GT (Daily rider with a 1983 1100G engine)
            1998 Honda ST1100 (Daily long distance rider)
            1982 GS850GLZ (Daily rider when the weather is crap)

            Darn, with so many daily riders it's hard to decide which one to jump on next.;)

            JTGS850GL aka Julius

            GS Resource Greetings

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            • JamesWhut?

              #7
              screw and locknut adjusters.



              MUCH easier and cheaper (free!) than shims.

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              • Gunner the Viking

                #8
                Wonderful! that makes things so much easier and cheaper. thank you for the info i should be able to do it this weekend then if i don't need the shims

                Comment

                • rapidray
                  Forum Guru
                  GSResource Superstar
                  • Oct 2006
                  • 8195
                  • So Cal

                  #9
                  You still need to order a valve cover gasket first!!!
                  Ray.

                  Comment

                  • Guest

                    #10
                    Please keep in mind that the picture shown is NOT what you are going to see when you pull the cover.

                    The concept with the threaded adjusters is good, but you have separate cams for intake and exhaust, and two valves for each side of each cylinder.

                    TIP: Use two feeler gauges (of the same size) and set both valves for that cylinder at the same time. That will prevent any rocking of the rocker arm, which might skew your measurements a bit.

                    Comment

                    • steve murdoch
                      Forum Guru
                      Past Site Supporter
                      • May 2004
                      • 8491
                      • St. Catharines, On.

                      #11
                      This guide should help, Viking.
                      2@ \'78 GS1000

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