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    Are these OK??

    I pulled out the pilot fuel screws because I was reading that they are supposed to be sharp. Mine have very distinct blunt ends.

    I uploaded some photos in hopes that you would be able to tell.

    I have a 78 GS750E.







    TIA for the help!

    #2
    The tips are broken off. Check the carb bodies, the tips may still be stuck in there. Check this thread for info on how to check the carb bodies. http://www.thegsresources.com/_forum...ad.php?t=82559

    Those screws are hard to come by. Only way I know to get them is in K&L carb rebuild kits (Z1 Enterprises sells them). If you have the tools you may be able to sharpen them on a lathe.
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

    Comment


      #3
      Would that be the cause of my high idle?

      Comment


        #4
        I bet it is...

        Comment


          #5
          I redid all the o-rings and dipped and stuff, but I had no idea the little jets n things could break.

          Are there any other components in the carbs I should check more closely?

          Comment


            #6
            Change the intake boot O-rings while the carbs are off if you haven't already. False air from the boots is very common and will cause a high idle.
            Ed

            To measure is to know.

            Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

            Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

            Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

            KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

            Comment


              #7
              To resharpen mine I clamped the screw into a drill then put a dremel with a sharpening stone into a vice and spun both while lightly touching the screw to the stone... Worked pretty well

              The one on the far right came out way too short because I made the stone go into the screw instead of away from it.

              Comment


                #8
                Originally posted by Nessism View Post
                Change the intake boot O-rings while the carbs are off if you haven't already. False air from the boots is very common and will cause a high idle.
                I did change those as well by recommendation of the forum .

                Am I better off reshaping these ones or buying new ones? The PO put on pods and I don't even know if he rejetted.

                Comment


                  #9
                  I think 1978 750s had 102.5 mains and 15 pilots stock, what do you have?
                  http://img.photobucket.com/albums/v5...tatesMap-1.jpg

                  Life is too short to ride an L.

                  Comment


                    #10
                    Is it written on the jets somewhere? How can I tell?

                    Comment


                      #11
                      It should be written on the jets, provided they arent too badly pitted.

                      Comment


                        #12
                        Should the jet needle be sharp as well??

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                          #13
                          Originally posted by Mahalaleel View Post
                          Should the jet needle be sharp as well??
                          No, they are usually blunt.

                          Comment


                            #14
                            Well! Today I discovered the broken off pieces. Dang those holes are small! I would never have found that without this forum.

                            Next step - find a sharp something to get them out. I don't have an awl, so I'm gonna get creative.

                            Comment


                              #15
                              Originally posted by Mahalaleel View Post
                              Well! Today I discovered the broken off pieces. Dang those holes are small! I would never have found that without this forum.

                              Next step - find a sharp something to get them out. I don't have an awl, so I'm gonna get creative.
                              A piece of stiff wire might push them out. Sewing needle maybe? You can get a carpet needle that is curved. Straight pin held with needle nose pliers. Just be careful not to enlarge the holes.

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