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    #1

    Gsxr carbs

    I have a set of BST34SS carbs off a GSXR1100, they were supposed to be off a 750, but after I opened them up all the jetting and emulsion tubes were 1100 spec.

    That being said, are the BST34SS carbs off the 1100 the same as the BST34SS off a 750 except the jetting,emulsion tubes and needles?

    Thanks,
    Daryl
    1978 Gs1085 compliments of Popy Yosh, Bandit 1200 wheels and front end, VM33 Smoothbores, Yosh exhaust, braced frame, ported polished head
    1983 Gs1100ESD, rebuild finished! Body paintwork happening winter 2017

    I would rather trust my bike to a technician that reads the service manual than some backyardigan that THINKS HE KNOWS how to fix things.
    Tags: None
    #2
    Do they have metal tops or plastic?
    sigpic1982 gs750e 1186 oil cooled engine USD front mono shock rear
    1994 gsxr1100w
    1981 gs1260dragbike (this one I've owned for29yrs)

    Comment

      #3
      They have metal tops over the diaphragm. They, as far as I can tell, are from a 86 model.

      Why?

      Thanks
      1978 Gs1085 compliments of Popy Yosh, Bandit 1200 wheels and front end, VM33 Smoothbores, Yosh exhaust, braced frame, ported polished head
      1983 Gs1100ESD, rebuild finished! Body paintwork happening winter 2017

      I would rather trust my bike to a technician that reads the service manual than some backyardigan that THINKS HE KNOWS how to fix things.

      Comment

        #4
        I have a set off of a 1100 gsxr, '86, that are BST36. Plastic top. I've had them on my bike about 12 years

        Comment

          #5
          hey rich,
          those would be 89 and later as the 86-88 GSXR1100 and 88-93 katana 1100 had 34mm vacuum flat slides.
          not sure on Canadian spec carbs though.

          Comment

            #6
            The metal top Gsxr carbs are 34mm flat slide vacuum carbs the later plastic top ones are 36mm as mentioned some Canadian models had 38mm harder to find.
            sigpic1982 gs750e 1186 oil cooled engine USD front mono shock rear
            1994 gsxr1100w
            1981 gs1260dragbike (this one I've owned for29yrs)

            Comment

              #7
              Originally posted by blowerbike View Post
              hey rich,
              those would be 89 and later as the 86-88 GSXR1100 and 88-93 katana 1100 had 34mm vacuum flat slides.
              not sure on Canadian spec carbs though.
              That would explain why the throttle I bought for an '86 GSXR wouldn't fit

              Comment

                #8
                They are USA market carbs.

                According to the 1986 1100 here http://www.gixxer.com/forums/showthread.php?t=159718
                1978 Gs1085 compliments of Popy Yosh, Bandit 1200 wheels and front end, VM33 Smoothbores, Yosh exhaust, braced frame, ported polished head
                1983 Gs1100ESD, rebuild finished! Body paintwork happening winter 2017

                I would rather trust my bike to a technician that reads the service manual than some backyardigan that THINKS HE KNOWS how to fix things.

                Comment

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