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Carb OEM specs as per factory manuals

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    #91
    ref pic of back gs550

    Hi

    Was looking at the picture of the black gs550 and seen it was running sports filters on the carbs........I would like to do that on my bike also a gs550.......question ,standard main jet size is 80, what should it be with the sport filters fitted....also what make are the filters....

    davidjohn

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      #92
      read this this entire thread http://www.thegsresources.com/_forum...&highlight=550

      and please start a new topic, this is for oem carb specs.
      78 GS1000 Yosh replica racer project
      82 Kat 1000 Project
      05 CRF450x
      10 990 ADV-R The big dirt bike

      P.S I don't check PM to often, email me if you need me.

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        #93
        Hey Guys...
        I got the factory technical manual update for my 85 1150ES with the bike...I think I remeber seeing all the specs for carbs etc. They may be the same as the 84 which is already posted....I'll check and see...if not I can post them here. Lots of info in that publication...it has routing for wiring and hoses etc as well.

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          #94
          Originally posted by johnnay View Post
          Ok, I read this thread and for some strange reason felt compelled to put all this info into an excel spreadsheet - like I don't get enough of those at work...:shock:

          anyways, I have it completed with most of the info presented in this thread - there were a couple of posts that weren't in the same format or that were missing too much info, so I didn't include them.

          It appears the forum won't let me upload it, so you'll have to email me if you want it (or if you want to tell me how/where to upload it). I'm going to bed now.. 8-[
          johnnay,
          Your spreadsheet is a great idea and puts all the information nicely together. Could you possibly upload it to Mediafire and post the link here, then all would be able to use. Just add a version or update date or similar if possible. Sorry bad habit of mine!
          Thanks for the copy a while back, I think this should not get lost to future generations of GS fans.
          Keep well and thanks.

          Comment


            #95
            Originally posted by uscwks View Post
            Does anyone have the specs on the 82 1100E? I could sure use them. Would it be about the same as the 1100? Mainly need the float level.
            the float level is 22.4 mm +/- 1.0 mm
            the service level is 5 mm +/- 0.5 mm

            Comment


              #96
              VM Identifying

              I've got a weird set of VM's stamp with the I.D. number x48810.

              Can anyone I.D them?

              Comment


                #97
                1980 GS850G carb specs, finally!

                I finally got around to typing up the specs for the 1980 GS850G carburetors.

                1980 GS850GT Carburetor Specs
                Unit of Measurement = mm(in.)

                Carburetor type = Mikuni BS32SS
                Bore Size = 32 (1.26)
                I.D. No. = 45110
                Idle rpm = 1050 +/- 100rpm
                Fuel Level = 5.0 +/- 0.5 (0.20 +/- 0.02)
                Float Height = 22.4 +/- 1.0 (0.88 +/- 0.04)
                Main Jet = #115
                Main Air Jet = 1.7
                Jet Needle = 5D50
                Needle Jet = X-5
                Pilot Jet = #40
                Bypass = 1.0, 0.8, 0.8
                Pilot Outlet = 0.7
                Valve Seat = 2.0
                Starter Jet = #32.5
                Pilot Screw = Preset
                Throttle cable play = 0.5-1.0 (0.02-0.04)

                Thank you for your indulgence,

                BassCliff

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                  #98
                  jet size

                  does anybody know the main jet size of a 77 gs 750, and any idea what size or sizes to try if i'm using pod filters.

                  Comment


                    #99
                    Looking at the December 76 FSM i have -
                    Carburetor Jetting Specifications:

                    Type: VM26SS
                    Main Jet: 100
                    Air Jet: 0.7
                    Needle Jet: 0-6
                    Jet Needle: 5F21-3
                    Pilot Jet: 15
                    Pilot Air Jet: 1.6
                    Cutaway: 1.5
                    Air Screw: 1 Turn back
                    Float Hieght: 25-27mm

                    Comment


                      Originally posted by dgeorge View Post
                      Ryan, here are the numbers for the 82/83 GS1100

                      GS 1100
                      1982-83
                      G, GL, GK Model

                      Carb ???????. Mikuni BS34SS (4 separate carbs)
                      bore size ?????. 34mm (1.34)
                      id no ???????. 49400
                      idle r/min???.... 1050 +/- 100 r/min
                      fuel level ?????. 5.0mm +/- 0.5 (0.20 +/- 0.02)
                      float height ???? 22.4mm +/- 1.0 (0.88 +/- 0.04)
                      Main jet??????. #115
                      Main Air jet????? 1.7
                      jet needle?????.. 5D58
                      Needle Jet?????? X - 3
                      Pilot Jet??..????. #40
                      By-pass?.?????? 0.9, 0.8, 0.8 (0.04, 0.03, 0.03)
                      Pilot Outlet?????? 0.7
                      Valve seat?????? 2.0
                      Starter jet?????? #50
                      Pilot Screw............. PRE-SET
                      Pilot Air Jet?????..#170
                      throttle cable play ?. 0.5 ? 1.0 (0.02, 0.04)
                      Choke Cable Play??. 0.5 ? 1.0 (0.02, 0.04)

                      Hi,

                      I'm trying to set my idle mix on my 85 GS110G but am having problems (could just be me as I'm not experienced at "highest rev" tuning) but thought I'd check the jet sizes from the carb that came out of my bike (replaced with striped, cleaned & re-O ringed spare carb with the same size jets) Pics attached.

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                      My main jet appears stock at 115 but my pilot air jet appears to be 150 rather than 170. What difference would this make?

                      btw, my bike has standard pipes and air cleaner and the bike that the spare carbs came from had a 4 to 1 and standard air cleaner.

                      TIA

                      Colin
                      Last edited by Guest; 03-15-2008, 04:23 PM. Reason: attached link to pic

                      Comment


                        I am not sure what carbs I have on my 78 GS550. They are Mikuni round slide and it would appear they are VM26 but the number stamped on them is 47030 I can't seem to find a ref for that anywhere. Any info would be great.

                        Comment


                          Originally posted by dnsmith View Post
                          I am not sure what carbs I have on my 78 GS550. They are Mikuni round slide and it would appear they are VM26 but the number stamped on them is 47030 I can't seem to find a ref for that anywhere. Any info would be great.
                          These carbs are off a 1978 GS750E. They are 26mm. They should be 22mm on the GS550.


                          Check this link under GS750 Specs and you will find the ID number that you quoted. 45030.

                          Comment


                            1979 US GS1000 Factory Specifications

                            Suzuki Service Manual: October 1979
                            GS1000
                            1979
                            Model: C

                            Idle Speed: 900 - 1100 rpm
                            Carb: Mikuni VM26SS
                            Id no: 49020
                            Bore size: 26mm (1.023")
                            Float height: 24.0mm +/- 1.0 (0.94" +/- 0.04)
                            Fuel level: 4.0mm +/- 1.0mm (0.16" +/- 0.04)
                            Air screw: PRE-SET (DO NOT DISTURB)
                            Cut away: 1.5
                            Jet needle: 5DL36-3
                            Pilot Screw: PRE-SET (DO NOT DISTURB)
                            Pilot Air Jet: 1.2
                            Pilot Jet: 15
                            Pilot Outlet: Not specified
                            Needle Jet: O-2
                            By-pass: Not specified
                            Main jet: 95
                            Main Air Jet 1.5
                            Throttle Cable Free Play: 1.0 - 1.5mm (0.039"-0.059)


                            Suzuki Service Manual: October 1979
                            GS1000
                            1979
                            Model: S

                            Idle Speed: 1000 +/- 50 rpm
                            Carb: Mikuni VM26SS
                            Id no: 49020
                            Bore size: 26mm (1.023")
                            Float height: 24.0mm +/- 1.0 (0.94" +/- 0.04)
                            Fuel level: 4.0mm +/- 1.0mm (0.16" +/- 0.04)
                            Air screw: PRE-SET
                            Cut away: 1.5
                            Jet needle: 5DL36-3
                            Pilot Screw: PRE-SET
                            Pilot Air Jet: 1.2
                            Pilot Jet: 15
                            Pilot Outlet: 1.5
                            Needle Jet: O-2
                            By-pass: 0.8
                            Main jet: 95
                            Main Air Jet Not Specified
                            Throttle Cable Free Play: Not Specified


                            Suzuki Service Manual: October 1979
                            GS1000
                            1979
                            Model: L

                            Idle Speed: 1000 +/- 50 rpm
                            Carb: Mikuni VM26SS
                            Id no: 49050
                            Bore size: 26mm (1.023")
                            Float height: 24.0mm +/- 1.0 (0.94" +/- 0.04)
                            Fuel level: 4.0mm +/- 1.0mm (0.16" +/- 0.04)
                            Air screw: PRE-SET
                            Cut away: 1.5
                            Jet needle: 5DL36-3
                            Pilot Screw: PRE-SET
                            Pilot Air Jet: 1.2
                            Pilot Jet: 15
                            Pilot Outlet: 0.6
                            Needle Jet: O-2
                            By-pass: 0.8
                            Main jet: 95
                            Main Air Jet Not Specified
                            Throttle Cable Free Play: Not Specified
                            Steve

                            1979 GS1000E (45 Yrs), 1981 GPz550 (11 Yrs)

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                              specs gs500e 1981

                              hi people,

                              looking for specs from an 1981 GS500E. can anyone post them or send them to me?

                              thanx a lot

                              Comment


                                Any one got info on 450's, i am trying to get info on 81' and if I do will post them

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