'78 gs1000e with pipe and pods. What size main jet?

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  • Mike Pellet
    Forum Mentor
    • Jun 2010
    • 151

    #1

    '78 gs1000e with pipe and pods. What size main jet?

    As the title suggests, I would like recommendations on jetting a gs1000 with VM carbs and 4-1 header and separate air filters.

    Otherwise stock.

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

    #2
    Which air filters and what exhaust? It does matter.
    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

    Comment

    • Agemax
      Forum Guru
      • Apr 2008
      • 8371
      • plymouth uk

      #3
      get a Dynojet stage 3 kit. Fit it and with a bit of fettling, the job is done. Takes out all the guess work and the DJ needles will iron out any midrange anomilies...
      1978 GS1085.

      Just remember, an opinion without 3.14 is just an onion!

      Comment

      • Big T
        Forum LongTimer
        Past Site Supporter
        Super Site Supporter
        • Mar 2005
        • 12392
        • West Slope, OR

        #4
        Originally posted by Mike Pellet
        As the title suggests, I would like recommendations on jetting a gs1000 with VM carbs and 4-1 header and separate air filters.

        Otherwise stock.

        Thanks.
        There's no single answer for your bike

        Did you read he Pipes, Pods, Panic sticky?
        1978 GS 1000 (since new)
        1979 GS 1000 (The Fridge, superbike replica project)
        1978 GS 1000 (parts)
        1981 GS 850 (anyone want a project?)
        1981 GPZ 550 (backroad screamer)
        1970 450 Mk IIID (THUMP!)
        2007 DRz 400S
        1999 ATK 490ES
        1994 DR 350SES

        Comment

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

          #5
          Originally posted by Agemax
          get a Dynojet stage 3 kit. Fit it and with a bit of fettling, the job is done. Takes out all the guess work and the DJ needles will iron out any midrange anomilies...
          DJ kit no longer available for VM carbs for years 78-79.
          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

          Comment

          • Agemax
            Forum Guru
            • Apr 2008
            • 8371
            • plymouth uk

            #6
            Originally posted by JTGS850GL
            DJ kit no longer available for VM carbs for years 78-79.
            yes they are......

            1978 GS1085.

            Just remember, an opinion without 3.14 is just an onion!

            Comment

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

              #7
              Not according to DJ:

              The product that started the Dynojet fuel tuning legacy, our motorcycle Jet Kits will increase your power and smoothness throughout the entire rev range. Whether your bike is stock, heavily modified or created for high-speed racing, our Jet kits can tune your air/fuel ratio to perfection with immediate results. With an increased power output of 5-8% and a fully adjustable design, our kits are the perfect companion to any rider.
              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

              Comment

              • Agemax
                Forum Guru
                • Apr 2008
                • 8371
                • plymouth uk

                #8
                Originally posted by JTGS850GL
                well they are in DJ UK. maybe they just stopped in USA.
                also plenty available on ebay....
                example.
                1978 GS1085.

                Just remember, an opinion without 3.14 is just an onion!

                Comment

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

                  #9
                  Good to know that there are some still floating around but probably not for long. Would be nice to know where the OP lives.
                  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

                  Comment

                  • Agemax
                    Forum Guru
                    • Apr 2008
                    • 8371
                    • plymouth uk

                    #10
                    Originally posted by JTGS850GL
                    Good to know that there are some still floating around but probably not for long. Would be nice to know where the OP lives.
                    i have emailed DJ UK and asked them if DJ have indeed stopped making that kit, and maybe DJ UK are just selling off what stock they have left.
                    If that is the case i may just buy a few kits before they dissappear for good!
                    1978 GS1085.

                    Just remember, an opinion without 3.14 is just an onion!

                    Comment

                    • DohcBikes

                      #11
                      if you used the wrong pods no jet kit on earth will help you

                      Comment

                      • Mike Pellet
                        Forum Mentor
                        • Jun 2010
                        • 151

                        #12
                        Pods are k&n style oiled element.

                        Pipe is kerker with smaller street baffle.

                        Comment

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

                          #13
                          Where are you located?
                          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

                          Comment

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