Main Jet washer? Carb rebuild

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  • Skyboy8950

    #1

    Main Jet washer? Carb rebuild

    I ran into a part within all 4 of my carbs that I can't find on fiche or within the tutorial. It is a rubber type washer between the main jet and the metal (I think it is metal) washer. Attached is a picture. Should I take these out, replace them, or what? Thanks.
  • Dave8338
    Forum LongTimer
    Past Site Supporter
    • Aug 2006
    • 11608
    • Annandale, MN

    #2
    It should be rubber on both sides with a brass center. If the rubber looks good and is not torn around the edges, clean them up good, and put'em back in. :-D

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    • Skyboy8950

      #3
      So, I see #40 which is the brass washer. I have that one plus a rubber one which is not shown. This is my concern. Maybe Norseman can shed some light.

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      • chuckycheese
        Forum Sage
        Charter Member
        Past Site Supporter
        • May 2002
        • 3869
        • The Gulf Coast of south Florida in the winter and northern Nevada in the summer

        #4
        Rubber

        I'm almost certain the rubber washer isn't supposed to be there. I have a couple of sets of carbs and neither set has them....(and my bike goes 'like the wind'). I think someone added them thinking it was a good idea. I would go by the schematic. Those engineers knew what they were doing!:-|
        1980 GS1100E....Number 15!

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        • Skyboy8950

          #5
          Chuck,

          Thanks. This was the answer I was fishing for. I had a sneeking suspicion. Anyone else run into this?

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          • robertbarr
            Forum Sage
            Past Bard Award Winner
            GSResource Superstar
            • Sep 2005
            • 2721
            • Joliet, Illinois

            #6
            Originally posted by chuckycheese
            I'm almost certain the rubber washer isn't supposed to be there.
            It's not. I'm 100% certain of that. I think people buy carb rebuild kits and they're not sure what to do with the extra parts, so they install them somewhere. Some previous owner long ago got a little confused.

            There's just a brass washer under that jet, as you suspected.
            and God said, "Let there be air compressors!"
            __________________________________________________ ______________________
            2009 Suzuki DL650 V-Strom, 2004 HondaPotamus sigpic Git'cha O-ring Kits Here!

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            • KEITH KRAUSE
              Forum Guru
              Charter Member
              GSResource Superstar
              Past Site Supporter
              • Oct 2002
              • 8862
              • Angeles Forest, So.Calif./Red rocks of Southern Utah.

              #7
              As others said, the rubber washer shouldn't be there.
              Is that corrosion between the rubber and metal washer? That's a lot.
              Carbs need a major cleaning if that jet is any indication. Possible parts replacements.
              And on the seventh day,after resting from all that he had done,God went for a ride on his GS!
              Upon seeing that it was good, he went out again on his ZX14! But just a little bit faster!

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              • Skyboy8950

                #8
                Its not corrosion. Just some gunk probably from the rubber washer. I am giving everything a thorough cleaning. Parts are in great shape after cleaning. Thanks Keith

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                • KEITH KRAUSE
                  Forum Guru
                  Charter Member
                  GSResource Superstar
                  Past Site Supporter
                  • Oct 2002
                  • 8862
                  • Angeles Forest, So.Calif./Red rocks of Southern Utah.

                  #9
                  OK. Glad it's not some kind of corrosion. I kept looking at it on zoom and couldn't make sense of what it was. Kinda brownish and crusty looking. Kinda like Earl.
                  And on the seventh day,after resting from all that he had done,God went for a ride on his GS!
                  Upon seeing that it was good, he went out again on his ZX14! But just a little bit faster!

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                  • aedi006

                    #10
                    The gunk might have come from a PO doing a carb dip without realizing there was a rubber part. You should double check to make sure the main jet is stock, the rubber washer 'might' have come from a re-jetting kit. Keep an eye on that gunk, it could easily get into the float pin and cause your carb to flood.

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                    • Skyboy8950

                      #11
                      Roger that. That was a pre-cleaning picture. Afterward, they are very nice and clean. As for a non-stock jet that requires it, I'm not sure. I'm just going to ditch the washer and see what happens. Thanks!

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