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DT125R FORUM

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  3. Difficult start

Difficult start

Scheduled Pinned Locked Moved Technical Zone
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  • Uber_BelugaU Uber_Beluga

    Thanks Calum,

    I'll get the switch sorted through the week and have it ready for next weeked to try again.

    I spent about an hour trying to get a spark with that switch off the bike without even thinking that having it off was the same as having it not working. Feeling pretty thick right now.

    CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #21

    @Uber_Beluga Not really

    We've all been there. Live and learn.

    Tobe fair, on my brothers DT, something was properly merssed up. You could only get a spark if you kicked the bike over, and turned the ignition on at the same time. I kid you not. Never got to the bottom of it.

    Of course this was some time ago now.

    Always Originate, Never Pirate!

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    • Uber_BelugaU Uber_Beluga

      Thanks Calum,

      I'll get the switch sorted through the week and have it ready for next weeked to try again.

      I spent about an hour trying to get a spark with that switch off the bike without even thinking that having it off was the same as having it not working. Feeling pretty thick right now.

      R Offline
      R Offline
      Raydt
      wrote on last edited by
      #22

      @Uber_Beluga
      How many wires going up to the kill switch, usually only one and when the switch is closed it earth's out the low voltage side of the coil, so if it is disconnected and taped up it should not stop it from starting.

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      • Uber_BelugaU Offline
        Uber_BelugaU Offline
        Uber_Beluga
        wrote on last edited by Uber_Beluga
        #23

        4 wires, same connection as the starter button

        From what I can tell, both the button and the switch produce infinate resistance when they're in their "off" position, but very little to no resistance when in the "on" position. The kill switch doesn't always go into the "on" posisiton so easy. (hence it's removal)

        I don't think it's as you describe on my bike (06 RE), but hey, I could definately be wrong. I'm pretty lost with electronics.

        -- '02 DT 125 r -- '06 DT125re(Stolen) --

        CalumC R 2 Replies Last reply
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        • Uber_BelugaU Uber_Beluga

          4 wires, same connection as the starter button

          From what I can tell, both the button and the switch produce infinate resistance when they're in their "off" position, but very little to no resistance when in the "on" position. The kill switch doesn't always go into the "on" posisiton so easy. (hence it's removal)

          I don't think it's as you describe on my bike (06 RE), but hey, I could definately be wrong. I'm pretty lost with electronics.

          CalumC Offline
          CalumC Offline
          Calum
          wrote on last edited by
          #24

          @Uber_Beluga Infinite resistance?

          Surely just an on off switch would cause infinite resistance since it is very difficult for Electricity to bridge the gap.

          Always Originate, Never Pirate!

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          • Uber_BelugaU Uber_Beluga

            4 wires, same connection as the starter button

            From what I can tell, both the button and the switch produce infinate resistance when they're in their "off" position, but very little to no resistance when in the "on" position. The kill switch doesn't always go into the "on" posisiton so easy. (hence it's removal)

            I don't think it's as you describe on my bike (06 RE), but hey, I could definately be wrong. I'm pretty lost with electronics.

            R Offline
            R Offline
            Raydt
            wrote on last edited by
            #25

            @Uber_Beluga
            So if you have four wires - one will be an ign. Switched live to the starter switch. One will be the return wire to the starter solenoid.
            Then the other two will be a feed up from the CDI and a return that either goes back to the CDI to make a circuit or maybe goes to earth as I mentioned before.
            Just buzz the wires out with your meter to check what they do, but if you can get a good make/break across the switch then that's not you problem.

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