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OK, now this is just weird....

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  • #1

    OK, now this is just weird....

    So I was cleaning up Incubus ('79 XS1100F) and putting a windshield on it. Yesterday it ran great. Rode it all over. I got the windshield on and I got it cleaned up a bit and decided to see how well the windshield blocked the wind. Got on and it started right up. But as soon as I put it in gear, it died. The clutch is still disengaging, as I can pull in the lever and push the bike in gear, but it will not start in gear and dies as soon as I put it in gear. Clearly my cleaning efforts disconnected something or got something wet, but for the life of me I cannot figure where even to look. It starts on the first pop, and dies as soon as the neutral light goes off. No apparent loose wires.

    Help.

    Patrick
    The glorious rays of the rising sun exist only to create shadows in which doom may hide.

    XS11F (Incubus, daily rider)
    1969 Yamaha DT1B
    Five other bikes whose names do not begin with "Y"
    Tags: None
  • #2
    You sprayed it with water, didn't you?
    Happens a lot on the SF.


    Don't worry, it will dry out.
    Do you, by any chance have a loose tach gasket?
    XS1100SF
    XS1100F

    Comment

    • #3
      Push in and out on the kickstand switch a few times... or is that only on the XJ?


      Tod
      Try your hardest to be the kind of person your dog thinks you are.

      You can live to be 100, as long as you give up everything that would make you want to live to be 100!

      Current bikes:
      '06 Suzuki DR650
      *'82 XJ1100 with the 1179 kit. "Mad Maxim"
      '82 XJ1100 Completely stock fixer-upper
      '82 XJ1100 Bagger fixer-upper
      '82 XJ1100 Motor/frame and lots of boxes of parts
      '82 XJ1100 Parts bike
      '81 XS1100 Special
      '81 YZ250
      '80 XS850 Special
      '80 XR100
      *Crashed/Totalled, still own

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      • #4
        No kickstand switch. Yes, I did spray it with water. I need to know what not to spray or where this might have happened. There is always a chance I will get caught in the rain. That would be a lot worse if the bike won't run in the rain....

        Patrick
        The glorious rays of the rising sun exist only to create shadows in which doom may hide.

        XS11F (Incubus, daily rider)
        1969 Yamaha DT1B
        Five other bikes whose names do not begin with "Y"

        Comment

        • #5
          Are you talking about a kickstand kill switch Tod?
          No such animal on the XSes... as far as I know anyway....

          Personally, I think he parked it next to Succubus too long... or the petcocks finally found this one...
          81 SH Something Special
          81 frame, 80 tank and side covers, 79 tail light and carbs, 78 engine, 750 final drive mod, Geezer rec/reg, 140 mains, LH wheels
          ☺

          79 SF MEAUQABEAUXS
          81SH Nor'eas tah (Old Red)
          80 LG Black Magic
          78 E Standard Practice


          James 3:17

          If I can make at least one person smile, or pee their pants a little, or maybe spit out their drink; then my day is not wasted.

          “Alis Volat Propriis”

          Yamaha XS 1100 Classic
          For those on FB

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          • #6
            With all the wiring going through the headlight... could you have loosened a connection somewhere?
            JAT
            I'm not good with the electrical stuff...
            81 SH Something Special
            81 frame, 80 tank and side covers, 79 tail light and carbs, 78 engine, 750 final drive mod, Geezer rec/reg, 140 mains, LH wheels
            ☺

            79 SF MEAUQABEAUXS
            81SH Nor'eas tah (Old Red)
            80 LG Black Magic
            78 E Standard Practice


            James 3:17

            If I can make at least one person smile, or pee their pants a little, or maybe spit out their drink; then my day is not wasted.

            “Alis Volat Propriis”

            Yamaha XS 1100 Classic
            For those on FB

            Comment

            • #7
              No, it's something that gets into the Neutral light circuit. I can't find it but the common symptom is that when you put it in gear it craps out. Mine did that first time I washed it. It did happen once when I left it out in a thunderstorm at work. Mine just drops 2 cylinders BTW.
              XS1100SF
              XS1100F

              Comment

              • #8
                It's the splice point inside the harness where the flexible cable is crimped to the harness. The neutral wire exits the harness there and water gets into the hole. Not really sure why it craps out when the neutral ground is disconnected, but we've seen that symptom come up quite a few times before. My theory (!) is that when the neutral light goes out, the neutral wire goes hot and fouls the signal to the TCI through the water.

                Comment

                • #9
                  This actually comes as something of a releif. So far everything has gone well with this bike. I needed some part to fear and hate. Now I have one.

                  I think you might have a point, too, Kat. Incubus is parked only a short distance from Succubus at night. I think they may be talking. The lazy B is starting to show Incubus how to avoid work....

                  If it was the petcocks talking then Incubus would just run all the time and never shut off.

                  Patrick
                  The glorious rays of the rising sun exist only to create shadows in which doom may hide.

                  XS11F (Incubus, daily rider)
                  1969 Yamaha DT1B
                  Five other bikes whose names do not begin with "Y"

                  Comment

                  • #10
                    Ok, Incubus runs again. Two cylinders kick out sometimes, but they come back so I figure he's going to be OK. So what's the fix? Tightly wrapping the wires from the pickup coils in electrical tape? Sealing the wire in wax? Smearing asphalt on the wiring? I really want to be able to ride on days when it might rain. Or at least be able to wash it occasionally.

                    Thanks y'all.

                    Patrick
                    The glorious rays of the rising sun exist only to create shadows in which doom may hide.

                    XS11F (Incubus, daily rider)
                    1969 Yamaha DT1B
                    Five other bikes whose names do not begin with "Y"

                    Comment

                    • #11
                      Originally posted by Succubus View Post
                      Ok, Incubus runs again. Two cylinders kick out sometimes, but they come back so I figure he's going to be OK. So what's the fix? Tightly wrapping the wires from the pickup coils in electrical tape? Sealing the wire in wax? Smearing asphalt on the wiring? I really want to be able to ride on days when it might rain. Or at least be able to wash it occasionally.

                      Thanks y'all.

                      Patrick
                      You could try liquid electrical tape. Stuff works well and not such a mess to clean off as with asphalt. lol
                      Four wheels move your body, two wheels move your soul.

                      ATGATT, It could save your life!

                      1980 XS 1100SG
                      Dyna 3 Ohm Hi Output Coils
                      Pod Filters
                      DynoJet Kit
                      T.C.'s Fuse Block
                      Slip Streamer Turbo Windshield
                      Custom Tank and Side Cover Decals
                      V-Max Auto CCT

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