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DT125R FORUM

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  4. Ignition problem

Ignition problem

Scheduled Pinned Locked Moved Electrics
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  • V Offline
    V Offline
    vtrn_raptor
    wrote on last edited by
    #1

    Hello guy just changed coil thinking that was the reason my bike wouldn't start as had no spark now I've realised it's the ignition it sparks while it's off and sparks with the ignition disconnected

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    0
    • CalumC Offline
      CalumC Offline
      Calum
      wrote on last edited by
      #2

      Brother had this on his bike.

      I think the CDI went faulty.

      Is the spark intermittent.

      Always Originate, Never Pirate!

      1 Reply Last reply
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      • V Offline
        V Offline
        vtrn_raptor
        wrote on last edited by
        #3

        Yeah mate it only sparks 3-4 times with a hard kick

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        • V Offline
          V Offline
          vtrn_raptor
          wrote on last edited by
          #4

          And doesn't spark at all with ignition on

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          • CalumC Offline
            CalumC Offline
            Calum
            wrote on last edited by
            #5

            Check the side stand switch hasn't gone faulty bud.

            Always Originate, Never Pirate!

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            • V Offline
              V Offline
              vtrn_raptor
              wrote on last edited by
              #6

              How do I do that mate

              NINJAN 1 Reply Last reply
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              • V vtrn_raptor

                How do I do that mate

                NINJAN Offline
                NINJAN Offline
                NINJA
                wrote on last edited by
                #7

                @vtrn_raptor It's the switch located directly on the side stand. It's programmed to cut out the engine if the stand is lowered whilst the bike is moving.

                SEDUCED BY THE DARK SIDE!!!

                CalumC 1 Reply Last reply
                0
                • NINJAN NINJA

                  @vtrn_raptor It's the switch located directly on the side stand. It's programmed to cut out the engine if the stand is lowered whilst the bike is moving.

                  CalumC Offline
                  CalumC Offline
                  Calum
                  wrote on last edited by Calum
                  #8

                  @CYBER-NINJA Yeah it's just above the stand.

                  It's a NO circuit, I don't know if the CDI is clever so I wouldn't say anything is programmed. It's just a switch as far as I know.

                  Always Originate, Never Pirate!

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                  • V Offline
                    V Offline
                    vtrn_raptor
                    wrote on last edited by
                    #9

                    Checked that just now and still nothing it sparks perfect with the ignition off and also with it disconnected but nothing with it on

                    CalumC 1 Reply Last reply
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                    • V vtrn_raptor

                      Checked that just now and still nothing it sparks perfect with the ignition off and also with it disconnected but nothing with it on

                      CalumC Offline
                      CalumC Offline
                      Calum
                      wrote on last edited by
                      #10

                      @vtrn_raptor Yeah that's why I am saying check to make sure it's not faulty bud.

                      If it's faulty, it's a NO circuit. I.E. the circuit never completes and hence your problem.

                      You will want to bridge the wires and make it NC circuit. If you do that and you're still having issues, then you know it's not the side stand switch.

                      Always Originate, Never Pirate!

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                      • V Offline
                        V Offline
                        vtrn_raptor
                        wrote on last edited by
                        #11

                        Ive disconnected it and still no spark mate

                        CalumC 1 Reply Last reply
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                        • V vtrn_raptor

                          Ive disconnected it and still no spark mate

                          CalumC Offline
                          CalumC Offline
                          Calum
                          wrote on last edited by
                          #12

                          @vtrn_raptor Yes mate, It's a NORMALLY OPEN circuit.

                          So disconnecting it won't fix the issue, as it's NORMALLY open.

                          You have to close the circuit to fix the issue. So short out the circuit which will force it into NORMALLY CLOSED state.

                          As said, if you do that and it's still not sparking then it's not the side stand switch.

                          Start off simple and we can work our way up.

                          Always Originate, Never Pirate!

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                          • V Offline
                            V Offline
                            vtrn_raptor
                            wrote on last edited by
                            #13

                            How do I do that mate as new to this kinda thing

                            CalumC 1 Reply Last reply
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                            • V vtrn_raptor

                              How do I do that mate as new to this kinda thing

                              CalumC Offline
                              CalumC Offline
                              Calum
                              wrote on last edited by
                              #14

                              @vtrn_raptor Just complete the circuit, have you a haynes manual handy as it would make a lot more sense.

                              Think of it as a light switch in your room.

                              If the light switch goes faulty then you won't be able to turn the light on, no matter what state the switch is in, to rectify the issue you would bypass the switch.

                              So whereever the wires go you will want to short out the circuit, a paperclip would do the trick.

                              Always Originate, Never Pirate!

                              1 Reply Last reply
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                              • V Offline
                                V Offline
                                vtrn_raptor
                                wrote on last edited by
                                #15

                                Yeah I have a Haynes Manuel mate

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                                • V Offline
                                  V Offline
                                  vtrn_raptor
                                  wrote on last edited by
                                  #16

                                  I disconnected the cdi moved it and reconnected it their was spark then when I disconnected and re positioned it theirs nothing

                                  CalumC 1 Reply Last reply
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                                  • V vtrn_raptor

                                    I disconnected the cdi moved it and reconnected it their was spark then when I disconnected and re positioned it theirs nothing

                                    CalumC Offline
                                    CalumC Offline
                                    Calum
                                    wrote on last edited by
                                    #17

                                    @vtrn_raptor Sorry I'm confused?

                                    Did you short the side stand switch out?

                                    Always Originate, Never Pirate!

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                                    • V Offline
                                      V Offline
                                      vtrn_raptor
                                      wrote on last edited by
                                      #18

                                      No because it's confusing I have no idea how to open the circuit

                                      NINJAN 1 Reply Last reply
                                      0
                                      • V vtrn_raptor

                                        No because it's confusing I have no idea how to open the circuit

                                        NINJAN Offline
                                        NINJAN Offline
                                        NINJA
                                        wrote on last edited by
                                        #19

                                        @vtrn_raptor You won't believe how many times this has happened to us all, but have you checked that the handlebar cut out switch is off???

                                        SEDUCED BY THE DARK SIDE!!!

                                        CalumC 1 Reply Last reply
                                        2
                                        • NINJAN NINJA

                                          @vtrn_raptor You won't believe how many times this has happened to us all, but have you checked that the handlebar cut out switch is off???

                                          CalumC Offline
                                          CalumC Offline
                                          Calum
                                          wrote on last edited by
                                          #20

                                          @CYBER-NINJA Done that too many times

                                          Always Originate, Never Pirate!

                                          NINJAN 1 Reply Last reply
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