Breather tube blowing oil

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  • suzu650

    #1

    Breather tube blowing oil

    Have been working on my 83 Maxim 550 lately trying to get it rode worthy so I can sell it. Took it for a drive today and the motor got VERY hot. touched the oil cap and burnt my fingers. Also, Breather tube is blowing a little smoke and dripping oil (because motor is so hot). Whats my problem here? Has oil.

  • 7981GS

    #2
    Lean carb jets? Timing too far advanced?

    Daniel

    Comment

    • JEEPRUSTY

      #3
      Is yor tube routing back into the crancase via the airbox?

      If not you need to put an appropriate filete on it as the crankcase will suck dirty air.

      Natural for it to smoke if it just dangling.

      Comment

      • JEEPRUSTY

        #4
        oh and dude all AC engines will be hot as hell ont eh filler cap.

        Comment

        • Nessism
          Forum LongTimer
          GSResource Superstar
          Past Site Supporter
          Super Site Supporter
          • Mar 2006
          • 35784
          • Torrance, CA

          #5
          Did you run it in the driveway without air flowing over the engine? Did you rejet the carbs to go along with the pod air filters?
          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

          • suzu650

            #6
            Pod Filters have been on it since I have had it, and it has always ran fine before.
            When idling when I first started it it idles fine. After I drove a few blocks when in nuetral idle would creep up and stay around 4000 rpms, and a few more blocks it was constant at 4000 rpms in nuetral. I was thinking this was the floats sticking, but from the sounds of it I could be wrong.

            Comment

            • 7981GS

              #7
              Originally posted by JEEPRUSTY
              Is yor tube routing back into the crancase via the airbox?

              If not you need to put an appropriate filete on it as the crankcase will suck dirty air.

              Natural for it to smoke if it just dangling.



              Daniel

              Comment

              • JEEPRUSTY

                #8
                Originally posted by 7981GS


                Daniel

                Note he has the crankcase filter tube dangling int eh air.

                It nees to be attavched to the intake maifold or have a seperate filter.

                Comment

                • Nessism
                  Forum LongTimer
                  GSResource Superstar
                  Past Site Supporter
                  Super Site Supporter
                  • Mar 2006
                  • 35784
                  • Torrance, CA

                  #9
                  Originally posted by suzu650
                  Pod Filters have been on it since I have had it, and it has always ran fine before.
                  When idling when I first started it it idles fine. After I drove a few blocks when in nuetral idle would creep up and stay around 4000 rpms, and a few more blocks it was constant at 4000 rpms in nuetral. I was thinking this was the floats sticking, but from the sounds of it I could be wrong.
                  Floats sticking do not cause problems like that.
                  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

                  • 7981GS

                    #10
                    Originally posted by JEEPRUSTY
                    Note he has the crankcase filter tube dangling int eh air.

                    It nees to be attavched to the intake maifold or have a seperate filter.

                    Again!


                    Daniel

                    Comment

                    • JEEPRUSTY

                      #11
                      Originally posted by 7981GS
                      Again!


                      Daniel

                      Breather tube blowing a littel smoke?
                      stop being an ass

                      Comment

                      • 7981GS

                        #12
                        First off, how is the crankcase breather going to be SUCKING air?
                        Secondly, What language are you typing in???

                        How is anyone supposed to understand what you are typing???

                        Daniel

                        Comment

                        • Adler

                          #13
                          He was saying that the breather tube should either route back to the air filter or have its own little filter. It shouldnt be open to unfiltered air.

                          Comment

                          • tom203
                            Forum Guru
                            Past Site Supporter
                            • Aug 2010
                            • 8925
                            • Norway,Maine

                            #14
                            If it's running hotter than normal (and you say oil level is ok), maybe the oil pump ain't delivering oil to upper engine -plugged filter/bypass?
                            1981 gs650L

                            "We are all born ignorant, but you have to work hard to stay stupid" Ben Franklin

                            Comment

                            • dr_fosg8

                              #15
                              If your idle is running up to 4000rpm at idle and this behavior is new and there is nothing you have changed it sounds like you have developed a vacuum leak on the intake. Cracked o-ring or intake boot not sure about a yammie.

                              Comment

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