1981 GS750E Jetting

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  • JW-GS750E

    #1

    1981 GS750E Jetting

    I have a 1891 GS750E with stock carbs, new pod filters, and a re-packed Kerker header. Can anyone provide me with what jet size I need to make it all happen. Thanks in advance. jim
  • blowerbike
    Forum Guru
    GSResource Superstar
    • Aug 2008
    • 7057
    • Ohio Closer to KY Than Cleveland

    #2
    here we go again.....................

    Comment

    • posplayr
      Forum LongTimer
      GSResource Superstar
      Past Site Supporter
      • Dec 2007
      • 23673
      • Tucson Az

      #3
      see if there is a DJ jet kit for you bike(look up Dynojet); they will list the DJ jets for Stage 3 convert to Mikuni.

      You will also need to change needle height so a steped grooved needle is best and at least for the 1100E you need a DJ needle.

      Comment

      • blowerbike
        Forum Guru
        GSResource Superstar
        • Aug 2008
        • 7057
        • Ohio Closer to KY Than Cleveland

        #4
        i'm gonna guess a say he has some shiny chrome wire mesh cone filters also.
        mmm...maybe emgo's.

        Comment

        • posplayr
          Forum LongTimer
          GSResource Superstar
          Past Site Supporter
          • Dec 2007
          • 23673
          • Tucson Az

          #5
          Originally posted by blowerbike
          i'm gonna guess a say he has some shiny chrome wire mesh cone filters also.
          mmm...maybe emgo's.
          maybe chicken wire and oil soaked socks....................



          Cotton socks of course, no nylon/rayon

          Comment

          • BassCliff

            #6
            Greetings and Salutations!!

            Hi Mr. JW-GS750E,

            What the guys are trying to say is, get the right gear to make the modifications as painless as possible. Cheap pod filters will never work right no matter how you jet the carbs. Get the K&N filters or maybe the APE parts from HERE along with a Dynojet Stage 3 kit and you'l have a much easier time. Otherwise, a general rule is to go up 3 or 4 sizes on the main jets, up one size on the pilot jets, and shim the needles. Then perform plug chops to see if it's dialed in right for all the carb circuits. You'll find carb tuning tips and links in the carb sections on my little website along with articles on how to do plug chops. Let's get started.

            I just stopped by to welcome you to the forum in my own, special way.

            If there's anything you'd like to know about the Suzuki GS model bikes, and most others actually, you've come to the right place. There's a lot of knowledge and experience here in the community. Come on in and let me say "HOoooowwwDY!"....

            Here is your very own magical, mystical, mythical, mind-expanding "mega-welcome". Please take notice of the "Top 10 Common Issues", the Carb Rebuild Series, and the Stator Papers. Now let me roll out the welcome mat for you...

            Please click here for your mega-welcome, chock full of tips, suggestions, links to vendors, and other information. Then feel free to visit my little BikeCliff website where I've been collecting the wisdom of this generous community. Don't forget, we like pictures! Not you, your bike!

            Thanks for joining us. Keep us informed.

            Thank you for your indulgence,

            BassCliff

            Comment

            • posplayr
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              • Dec 2007
              • 23673
              • Tucson Az

              #7
              they have a jet kit avaliable do a google search to see if you can find a deal




              watch out for these guys on shipping............ $90

              Comment

              • blowerbike
                Forum Guru
                GSResource Superstar
                • Aug 2008
                • 7057
                • Ohio Closer to KY Than Cleveland

                #8
                so 105.00 to the door is a bad price?
                i really wouldn't care what the shipping is as long as the total price is good.
                105.00 to the door seems like a smokin deal to me.

                Comment

                • Guest

                  #9
                  Rapidray has adjustable needles for sale for $60 a set.
                  I'd jump on those.
                  Get ahold of some Mikuni 120 and 122.5 main jets(start with the 122.5). Drill the slide. I need to measure the drill bit. Start with the needle on the third notch from the bottom. Bring out the idle mixture screws to around 3 turns out. Use the highest RPM method on each cylinder.
                  I hope you have K&N filters.

                  Comment

                  • blowerbike
                    Forum Guru
                    GSResource Superstar
                    • Aug 2008
                    • 7057
                    • Ohio Closer to KY Than Cleveland

                    #10
                    bill,
                    how much will he save over buying a kit?
                    thats my point.
                    i'm glad to see your typing better

                    Comment

                    • posplayr
                      Forum LongTimer
                      GSResource Superstar
                      Past Site Supporter
                      • Dec 2007
                      • 23673
                      • Tucson Az

                      #11
                      Originally posted by blowerbike
                      bill,
                      how much will he save over buying a kit?
                      thats my point.
                      i'm glad to see your typing better
                      with $60 needles and $20 for two sets of jets he's already at $80 with separate shipping charges.

                      Does Ray have different needles? Are theyFP needles ?

                      Comment

                      • posplayr
                        Forum LongTimer
                        GSResource Superstar
                        Past Site Supporter
                        • Dec 2007
                        • 23673
                        • Tucson Az

                        #12
                        Originally posted by blowerbike
                        so 105.00 to the door is a bad price?
                        i really wouldn't care what the shipping is as long as the total price is good.
                        105.00 to the door seems like a smokin deal to me.
                        Would you like to share the experiences you have had with a new accessory, part or vendor? Post your review here.


                        OK then watch out for customer service

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