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What is inside a CDI box?

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  • What is inside a CDI box?

    Im curious to know what the inside of a CDI box contains, and if it can be taken apart and cleaned up, like how I opened up my kill switch and cleaned off the corrosion by grinding on all the small metal parts with a wire wheel brush.

  • #2
    That's a tough one. Some would say that the devil himself is in that little black box. Others have opened it only to do more harm than good. There is really only one thing the layman can do in there, explained on my website. Click on my handle and visit my website. Good luck.

    BTW, if it's working, leave it alone.

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    • #3
      If you open it... the magic leaks out.

      Like Randy said... if nothing's wrong... then there's nothing in there worth dickin' with. Just a bunch of resisters, transisters, twisted sisters and other stuff that normal people don't understand.
      (Randy knows, though... he's sort of geeky that way.)
      Your bike is sparking on all four cylinders... nothing's wrong.
      "Damn it Jim, I'm a doctor, not a mechanic!' ('Bones' McCoy)

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      • #4
        Oh, BTW, Adam, I forgot to mention. When you break it, you can send it to me to be repaired.

        For a nominal fee

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        • #5
          Thats an easy answer, theres smoke in em. You can't buy that kind of smoke anymore but Randy makes it and puts it back in.
          When a 10 isn't enough, get a 11. 80g Hardbagger

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          • #6
            Webbcraft... are you trying to put mechanics everywhere out of work?

            Putting the smoke back into a machine is a secret that mechanics share amongst themselves... and is not to be shared with the general public.
            But, seeing how you've already violated that sacred trust... and I'm now getting thousands of PM's, "Hey Prom, tell me the secret of the Magic Smoke Webbcraft wrote about....", we might as well share the knowledge.

            Gurus and mechanics all know about smoke.

            Smoke is what makes machines work. The engine runs on smoke... the electrical system only works because of the smoke contained in the wires, etc.

            An easy to understand example would be an electrical problem... like a wire pinched next to the frame. Once the bare metal frame rubs the insulation off the wire... the smoke starts to escape. Anytime that you see parts of your wiring harness smoking, you can be assured that you will soon have an electrical failure due to the lack of enough smoke in the system to keep it functioning properly.
            Webbcraft is correct. It's very hard to find that kind of smoke anymore on the open market.. sort of like freon for air conditioners.
            Randy knows the secret recipe... but must charge a small fee, due to the rising cost of materials.
            "Damn it Jim, I'm a doctor, not a mechanic!' ('Bones' McCoy)

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            • #7
              Smoke doesn't just make your bike run, it also makes all women beautiful and all men brave. Just like beer.
              Fastmover
              "Just plant us in the damn garden with the stupid
              lion". SHL
              78 XS1100e

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              • #8
                It has retroencabulators. Yamaha was working with Rockwell automation in developing this new ignition system.

                This should explain it all, very clearly.
                Ich habe dich nicht gefragt.

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                • #9
                  Ahhhh... Pretty impressive to explain it all in Lehman's terms like that. The ol' differential gurgle spring... can't work without that!


                  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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                  • #10
                    Originally posted by trbig View Post
                    Ahhhh... Pretty impressive to explain it all in Lehman's terms like that. The ol' differential gurgle spring... can't work without that!


                    Tod
                    Hi Tod,
                    I heard that as "differential girdle spring". BTW the spring one sees backing up the sealing lip of a rotating shaft oil seal IS a girdle spring (aka garter spring) and doesn't the average differential have some of those?
                    "From BS, truth and from truth, BS"?
                    Fred Hill, S'toon
                    XS11SG with Spirit of America sidecar
                    "The Flying Pumpkin"

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                    • #11
                      Originally posted by fredintoon View Post
                      Hi Tod,
                      I heard that as "differential girdle spring". BTW the spring one sees backing up the sealing lip of a rotating shaft oil seal IS a girdle spring (aka garter spring) and doesn't the average differential have some of those?
                      "From BS, truth and from truth, BS"?
                      Yes but you are taking it out of context. In this case differential is used in the context of changing forces. Thus a differential girdle spring would be used to approximate the delta forces occurring on said integral encarpments. Furthermore, if the elongated asymptote is hypoidal, you can safely assume each conjugate directrix to be inaxiomatic.

                      Once you understand the theory, practice becomes elementary.
                      Ich habe dich nicht gefragt.

                      Comment


                      • #12
                        Originally posted by randy View Post
                        Oh, BTW, Adam, I forgot to mention. When you break it, you can send it to me to be repaired.

                        For a nominal fee
                        Hey Randy, can you fix my Atari too?

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                        • #13
                          Adam, it all come down to having the right tools for the job. For the Atari, I would use a 16-lb sledge.

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                          • #14
                            Originally posted by randy View Post
                            Adam, it all come down to having the right tools for the job. For the Atari, I would use a 16-lb sledge.
                            is that the same tool that one would use to upgrade the X wife's new Mercedes?

                            Comment


                            • #15
                              Be subtle, eh?

                              Originally posted by adam79 View Post
                              is that the same tool that one would use to upgrade the X wife's new Mercedes?
                              >
                              A better was is to pay a midnight visit and carefully grease the Merc's brake disks.
                              Fred Hill, S'toon
                              XS11SG with Spirit of America sidecar
                              "The Flying Pumpkin"

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