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Carb OEM specs as per factory manuals

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    #16
    excellent i love when a plan starts to come together, now we just need some pre 1983 gs750 info, all gs850 info (nick emmm humm) and all 1150 info, all the gs400/450 info, and some more info on the 1100 like 81-82 non canadian info (joe .......?) i can post 78-80 gs 1000 info, give me a day or two.

    thanks guys

    ryan
    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.

    Comment


      #17
      According to Haynes

      US 450 models:
      Make:
      Mikuni
      Type: BS34SS
      Venturi Size: 34mm (1.34 in)
      ID number:
      ED: 44400
      LD, TXD, LF: 44460
      Other models: 44110
      Idle Speed:
      ED, LD, TXD: 1200 +- 50 RPM
      Other Models: 1200 +- 100 RPM
      Fuel Level:
      ED, LD, TXD, LF: 5.0+- 0.5 mm ( 0.20 +- 0.02 in)
      Other Models: 6.5 +- 0.5 mm (0.26 +- 0.02 in)
      Float Height:
      ED, LD, TXD, LF: 23.0 +- 1.0 mm (0.89 +- 0.04 in)
      Other Models: 22.4 +- 1.0 mm (0.88 +- 0.04 in)
      Main Jet:
      ED: 120
      Other Models: 115
      Main Air Jet:
      ED, LD, TXD, LF: 0.7
      Other Models: 0.6
      Jet Needle:
      ED: 5DX87
      LD, TXD, LF: 5CDT60
      Other Models: 4C2
      Needle Jet:
      ED, LD TXD, LF: 0-6 (O-6??)
      Other Models: Y-6
      Throttle Valve:
      LF: 95
      Other Models: N/A
      Pilot Jet:
      ED, LD, TXD, LF: 45
      Other Models: 17.5
      Bypass:
      ED, LD, TXD, LF: 1.0, 0.8, 0.9
      Other Models: 0.8
      Pilot Outlet:
      ED, LD, TXD, LF: 0.7
      Other Models: 1.1
      Float Valve Seat: 2.0
      Starter Jet:
      ED, LD, TXD, LF: 32.5
      Other Models: 30.0
      Pilot Screw Setting:
      ED, LD, TXD: Preset (2.0 turns out)
      Other models: Preset
      Pilot Air Jet:
      ED: 135
      LD, TXD: 145
      LF: N/A
      Other Models: 1.6

      Comment


        #18
        Forgot to mention, top pic is 1979 GS850 and bottom pic is 80 GS850.

        Comment


          #19
          the bottom of the bs32 carbs seems to have been cut off

          -ryan
          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.

          Comment


            #20
            GS850 (77-79) the specs are for the VM's

            idle r/min........... 950-1150
            carb................... mik vm26ss
            id no................... 45060
            bore size ............ 26 (1.0)
            float height ......... 23-25. (0.91" - 0.98")
            fuel level ............ 3.0 - 5.0 (0.12" +/-0.20")
            pilot air screw ..... 1.25 turns out
            pilot screw........... 5/8 turns out
            pilot air jet........... 1.2
            pilot jet............... #15
            cut away............. 1.5
            jet needle........... 5DL36-2 (the -2 2nd notch)
            needle jet .......... 0 - 6
            pilot outlet........... 0.6
            by pass ............. 0.8
            main jet............. #102.5



            GS850 (80) the specs are for the CV's

            idle.................... 1050 +/- 100 r/min
            carb................... mik BS32SS
            id no................... 45120
            bore size ............ 32 (1.26)
            float height ......... 22.4 +/- 1.0 (0.88 +/- 0.04)
            fuel level ............ 5.0 +/- 0.5 (0.20" +/-0.02")
            VALVE SEAT........ 2.0
            STARTER JET....... 32.5
            PILOT SCREW ..... 3.5
            PILOT AIR JET ..... #200
            pilot jet............... #42.5
            jet needle........... 5D57-3 (the -3 3rd notch)
            needle jet .......... X - 6
            pilot outlet........... 0.7
            BY PASS............. 1.0, 0.8, 0.8
            MAIN AIR JET...... 1.7
            main jet............. #115
            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.

            Comment


              #21
              Here's some 1000 & 1100 classics..


              1980 1100 LT

              Specs in mm.
              Carb Type- Mikuni BS34SS
              Bore Size-34 mm
              ID# - 49200
              Idle r/min - 1050 +/- 100 r/min
              Fuel Level - 5.0 +/- 0.5
              Float Height - 22.4 +/- 1.0
              Main Jet - #107.5
              Main Air Jet - 1.2
              Jet Needle - 5D58
              Needle Jet - X-1
              Pilot Jet - #45
              Bypass - 0.8, 0.8, 0.8
              Pilot Outlet - 0.9
              Valve Seat - 2.0
              Starter Jet - #32.5
              Pilot Screw -Pre-Set, Varies
              Throttle Cable Play - 0.5-1.0

              1981 1100 EX

              Specs in mm.
              Carb Type- Mikuni BS34SS
              Bore Size-34 mm
              ID# - 49200
              Idle r/min - 1050 +/- 100 r/min
              Fuel Level - 5.0 +/- 0.5
              Float Height - 22.4 +/- 1.0
              Main Jet - #107.5
              Main Air Jet - 1.2
              Jet Needle - 5D58
              Needle Jet - X-1
              Pilot Jet - #45
              Bypass - 0.8, 0.8, 0.8
              Pilot Outlet - 0.9
              Valve Seat - 2.0
              Starter Jet - #32.5
              Pilot Screw -Pre-Set, Varies
              Throttle Cable Play - 0.5-1.0

              1982 1000 SZ

              Specs in mm.
              Carb Type- Mikuni BS34SS
              Bore Size-34 mm
              ID# - 49300
              Idle r/min - 1050 +/- 100 r/min
              Fuel Level - 5.0 +/- 0.5
              Float Height - 22.4 +/- 1.0
              Main Jet - #110
              Main Air Jet - 1.2
              Jet Needle - 5D58
              Needle Jet - X-1
              Pilot Jet - #45
              Bypass - 0.8, 0.8, 0.8
              Pilot Outlet - 0.9
              Valve Seat - 2.0
              Starter Jet - #32.5
              Pilot Screw -Pre-Set, Varies
              Throttle Cable Play - 0.5-1.0
              Choke Cable Play - 0.5-1.0

              1982 1100 EZ

              Specs in mm.
              Carb Type- Mikuni BS34SS
              Bore Size-34 mm
              ID# - 49220
              Idle r/min - 1050 +/- 100 r/min
              Fuel Level - 5.0 +/- 0.5
              Float Height - 22.4 +/- 1.0
              Main Jet - #110
              Main Air Jet - 1.2
              Jet Needle - 5D58
              Needle Jet - X-1
              Pilot Jet - #45
              Bypass - 0.8, 0.8, 0.8
              Pilot Outlet - 0.9
              Valve Seat - 2.0
              Starter Jet - #32.5
              Pilot Screw - Pre-Set, Varies
              Pilot Air Jet - #170
              Throttle Cable Play - 0.5-1.0
              Choke Cable Play - 0.5-1.0

              1983 1100 SD

              Specs in mm.
              Carb Type- Mikuni BS34SS
              Bore Size-34 mm
              ID# - 49350
              Idle r/min - 1050 +/- 50 r/min
              Fuel Level - 5.0 +/- 0.5
              Float Height - 22.4 +/- 1.0
              Main Jet - #112.5
              Main Air Jet - 1.2
              Jet Needle - 5D58
              Needle Jet - X-1
              Pilot Jet - #45
              Bypass - 0.8, 0.8, 0.8
              Pilot Outlet - 1.0
              Valve Seat - 2.0
              Starter Jet - #32.5
              Pilot Screw - Pre-Set, Varies
              Pilot Air Jet - #160
              Throttle Cable Play - 0.5-1.0
              Choke Cable Play - 0.5-1.0

              1983 1100 ED/ESD

              Specs in mm.
              Carb Type- Mikuni BS34SS
              Bore Size-34 mm
              ID# - 49380
              Idle r/min - 1050 +/- 100 r/min
              Fuel Level - 5.0 +/- 0.5
              Float Height - 22.4 +/- 1.0
              Main Jet - #112.5
              Main Air Jet - 1.2
              Jet Needle - 5D58
              Needle Jet - X-1
              Pilot Jet - #45
              Bypass - 0.8, 0.8, 0.8
              Pilot Outlet - 1.0
              Valve Seat - 2.0
              Starter Jet - #32.5
              Pilot Screw - Pre-Set, Varies
              Pilot Air Jet - #180
              Throttle Cable Play - 0.5-1.0

              Comment


                #22
                Model / Year GS1000S 1979
                Idle rpm's 900 ~ 1,100 rpm
                Carb Type VM26SS
                Carb I.D. Number 49010
                Bore Size 26
                Float Height 23 ~ 25
                Fuel Level 3 ~ 5
                Air Screw 1.0
                Pilot Air Jet #15
                Cut-Away 1.5
                Jet Needle 5DL36-3
                Needle Jet O-4
                Main Air Jet 1.5
                Main Jet #95

                Would like to see more VM type info!!!

                Comment


                  #23
                  1979 GS1000S

                  VM28SS

                  main jet #95
                  hoofdluchtsproeier 1.5 (main air jet?)
                  naaldsproeier AO-2
                  jet needle 5DL3 6-3
                  stationaire luchtsproeier 1.2
                  cut-off 1.5
                  airscrew don't touch :roll:
                  stationairy screw don't touch :roll:
                  float height 23-25 mm

                  I translated the ones I know, maybe you can fill me in on the rest

                  Comment


                    #24
                    83 GS550E
                    Mikuni
                    BSW30SS
                    30 mm

                    It should have 43410 stamped on the side

                    Fuel level: 6.5 +/- 0.5mm (.26 +/-.02in)
                    float height: 20.5 +/- 1.0mm (0.81 +/- .04in)
                    Main jet:
                    cylinders 1 and 4: 95
                    cylinders 2 and 3: 102.5
                    main air jet: 1.0
                    Jet Needle: 5C64
                    Clip position: 1 groove from top
                    needle jet: P-2
                    Throttle Valve: 120
                    Pilot Jet: 35
                    Bypass: 0.8,0.7,0.8,0.8
                    Pilot outlet: 0.7
                    Float valve seat: 2.5
                    starter jet: 55
                    Pilot screw: Preset

                    Comment


                      #25
                      The round slide (VM series Mikunis) ID is often difficult to find and to see as it is small and engraved into metal. It is on the flange of the outside carb as shown in this picture. The number can be four or five numbers and letters but most Suzuki Mikuni VM carbs seem to be five numbers in the 4nnnnn series. The number in the manual may be 41234 but it will be stamped on as:

                      4 1 2
                      3 4

                      and will be located here:

                      Comment


                        #26
                        Just checked the number on the 1000S and it reads

                        P9
                        61

                        Nothing else in that spot.

                        Comment


                          #27
                          ANY CARB SPECS FOR '85 GS550E?

                          Hello guys, do you have any carb specs for 1985 GS550E? Would appreciate any info... Thanks

                          Comment


                            #28
                            1981 GS1000G(X) GS1000GL(X)

                            Specs in mm.
                            Carb Type- Mikuni BS34SS
                            Bore Size-34 mm
                            ID# - 49160
                            Idle r/min - 1050 +/- 100 r/min
                            Fuel Level - 5.0 +/- 0.5
                            Float Height - 22.4 +/- 1.0
                            Main Jet - #115
                            Main Air Jet - 1.7
                            Jet Needle - 5D57-3rd
                            Needle Jet - X-8
                            Pilot Jet - #40
                            Bypass - 0.9, 0.8, 0.8
                            Pilot Outlet - 0.7
                            Valve Seat - 2.0
                            Starter Jet - #45
                            Pilot Screw -Pre-Set
                            Pilot air jet - #160
                            Throttle Cable Play - 0.5-1.0
                            Choke Cable Play - 0.5-1.0

                            Comment


                              #29
                              hey guys can some one post the 82-83 gs 1100 g and other similar models that aren't listed here.

                              thanks,

                              ryan
                              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.

                              Comment


                                #30
                                hey guys lets not stop now, i am pretty sure all we need right now is some pre 1983 gs750 carb info (CV? and VM)

                                some 82-83 gs 1100 g and other similar models.

                                and the gs1150 carb info.

                                dig out your books and manuels and lets get this wrapped up so we have a complete list.

                                thanks,

                                ryan
                                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.

                                Comment

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