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DT125R FORUM

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  4. No spark!

No spark!

Scheduled Pinned Locked Moved Electrics
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  • clawsC claws

    @declan the bike stops getting a spark after you put it into gear if your kickstand circuit is disconnected. it should work on neutral though. i really suggest checking the wiring and taking a look at the stator or measuring the amount of volts with a multimeter while starting

    declanD Offline
    declanD Offline
    declan
    wrote on last edited by
    #4

    @claws it all worked before I took the engine out, weird thing is I’ve checked all the wiring I have tampered with it has a brand new ignition barrel and I’m suspecting it’s faulty although the pv does cycle when key is turned

    NINJAN 1 Reply Last reply
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    • declanD declan

      @claws it all worked before I took the engine out, weird thing is I’ve checked all the wiring I have tampered with it has a brand new ignition barrel and I’m suspecting it’s faulty although the pv does cycle when key is turned

      NINJAN Offline
      NINJAN Offline
      NINJA
      wrote on last edited by
      #5

      @declan It's most likely either something is not connected properly, an earth is missing, or a blown fuse? Have you checked all those dude???

      SEDUCED BY THE DARK SIDE!!!

      declanD 1 Reply Last reply
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      • NINJAN NINJA

        @declan It's most likely either something is not connected properly, an earth is missing, or a blown fuse? Have you checked all those dude???

        declanD Offline
        declanD Offline
        declan
        wrote on last edited by
        #6

        @NINJA there’s no fuse fitted no earth was removed the 4 wires I had to snip and re fit are in good order with new connectors I’m a lil lost

        NINJAN 1 Reply Last reply
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        • declanD declan

          @NINJA there’s no fuse fitted no earth was removed the 4 wires I had to snip and re fit are in good order with new connectors I’m a lil lost

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

          @declan Did you take any photo's of the bike pre/mid disassemble? If yes then refer back to them and look for any differences between the old & new installations.

          SEDUCED BY THE DARK SIDE!!!

          declanD 1 Reply Last reply
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          • NINJAN NINJA

            @declan Did you take any photo's of the bike pre/mid disassemble? If yes then refer back to them and look for any differences between the old & new installations.

            declanD Offline
            declanD Offline
            declan
            wrote on last edited by
            #8

            @NINJA the wires are colour coded and I marked every wire that was important to the starting and running of the engine

            declanD 2 Replies Last reply
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            • declanD declan

              @NINJA the wires are colour coded and I marked every wire that was important to the starting and running of the engine

              declanD Offline
              declanD Offline
              declan
              wrote on last edited by
              #9

              @declan so to rule out a few things, will the dt start without the ignition barrel,will the neutral circuit cause problems if the wire is not looped, would the clutch circuits also cause problems if it’s not looped

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              • declanD declan

                @NINJA the wires are colour coded and I marked every wire that was important to the starting and running of the engine

                declanD Offline
                declanD Offline
                declan
                wrote on last edited by
                #10

                https://imgur.com/a/opX7k1M
                I found these wires wrapped up two of them are joined together I can’t remember if there were other joined like this, they come from the same loom as the battery wires

                declanD 1 Reply Last reply
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                • declanD declan

                  https://imgur.com/a/opX7k1M
                  I found these wires wrapped up two of them are joined together I can’t remember if there were other joined like this, they come from the same loom as the battery wires

                  declanD Offline
                  declanD Offline
                  declan
                  wrote on last edited by declan
                  #11

                  Okay, looks like the problem is the ignition coil when I remove the wire and kick the bike it shocks me yet when I connect it back up the plug still doesn’t spark I already have one on order so I’ll update when I’ve fitted it...(edit- by remove the wire I mean the direct feed from the cdi to the ignition

                  NINJAN 1 Reply Last reply
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                  • declanD declan

                    Okay, looks like the problem is the ignition coil when I remove the wire and kick the bike it shocks me yet when I connect it back up the plug still doesn’t spark I already have one on order so I’ll update when I’ve fitted it...(edit- by remove the wire I mean the direct feed from the cdi to the ignition

                    NINJAN Offline
                    NINJAN Offline
                    NINJA
                    wrote on last edited by
                    #12

                    @declan Are there any breaks in the wire, which could be causing a short circuit???

                    SEDUCED BY THE DARK SIDE!!!

                    declanD 1 Reply Last reply
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                    • NINJAN NINJA

                      @declan Are there any breaks in the wire, which could be causing a short circuit???

                      declanD Offline
                      declanD Offline
                      declan
                      wrote on last edited by
                      #13

                      @NINJA nope, just seems the coil went dead

                      NINJAN 1 Reply Last reply
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                      • declanD declan

                        @NINJA nope, just seems the coil went dead

                        NINJAN Offline
                        NINJAN Offline
                        NINJA
                        wrote on last edited by
                        #14

                        @declan OK well hopefully a new coil will resolve the issue???

                        SEDUCED BY THE DARK SIDE!!!

                        declanD 2 Replies Last reply
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                        • NINJAN NINJA

                          @declan OK well hopefully a new coil will resolve the issue???

                          declanD Offline
                          declanD Offline
                          declan
                          wrote on last edited by
                          #15

                          @NINJA it should do

                          1 Reply Last reply
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                          • NINJAN NINJA

                            @declan OK well hopefully a new coil will resolve the issue???

                            declanD Offline
                            declanD Offline
                            declan
                            wrote on last edited by
                            #16

                            @NINJA never that simple is it 😕 I have power before the coil but when connected up I get nothing

                            NINJAN 1 Reply Last reply
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                            • declanD declan

                              @NINJA never that simple is it 😕 I have power before the coil but when connected up I get nothing

                              NINJAN Offline
                              NINJAN Offline
                              NINJA
                              wrote on last edited by
                              #17

                              @declan Are you sure that the correct wires are connected to the right terminals bud???

                              SEDUCED BY THE DARK SIDE!!!

                              declanD 1 Reply Last reply
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                              • NINJAN NINJA

                                @declan Are you sure that the correct wires are connected to the right terminals bud???

                                declanD Offline
                                declanD Offline
                                declan
                                wrote on last edited by
                                #18

                                @NINJA yeah just as the original was, it will shock me every time but the second that power wire touches the ht terminal the power vanishes

                                NINJAN 1 Reply Last reply
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                                • declanD declan

                                  @NINJA yeah just as the original was, it will shock me every time but the second that power wire touches the ht terminal the power vanishes

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

                                  @declan It sounds like you have a short somewhere else? Re-check all the wires as something is a miss.

                                  SEDUCED BY THE DARK SIDE!!!

                                  declanD 1 Reply Last reply
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                                  • NINJAN NINJA

                                    @declan It sounds like you have a short somewhere else? Re-check all the wires as something is a miss.

                                    declanD Offline
                                    declanD Offline
                                    declan
                                    wrote on last edited by
                                    #20

                                    @NINJA I can’t find anything wrong it doesent make any sense I could understand if it was weak power but no power at all is flowing through

                                    NINJAN 1 Reply Last reply
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                                    • declanD declan

                                      @NINJA I can’t find anything wrong it doesent make any sense I could understand if it was weak power but no power at all is flowing through

                                      NINJAN Offline
                                      NINJAN Offline
                                      NINJA
                                      wrote on last edited by
                                      #21

                                      @declan Well something is causing the issue, try using a volt meter to check volt's & Amps etc

                                      SEDUCED BY THE DARK SIDE!!!

                                      declanD 1 Reply Last reply
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                                      • NINJAN NINJA

                                        @declan Well something is causing the issue, try using a volt meter to check volt's & Amps etc

                                        declanD Offline
                                        declanD Offline
                                        declan
                                        wrote on last edited by
                                        #22

                                        @NINJA how do I go about testing things I have my multimeter now

                                        NINJAN 1 Reply Last reply
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                                        • declanD declan

                                          @NINJA how do I go about testing things I have my multimeter now

                                          NINJAN Offline
                                          NINJAN Offline
                                          NINJA
                                          wrote on last edited by
                                          #23

                                          @declan Look in the Haynes/Owners manual there should be a list of voltages. You then just put one probe one each wire and check your readings against the ones listed.

                                          SEDUCED BY THE DARK SIDE!!!

                                          declanD 1 Reply Last reply
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