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DT125R FORUM

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  4. DTR will only start with easy start

DTR will only start with easy start

Scheduled Pinned Locked Moved Carburetor
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  • CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #2

    Hello there,

    I found on my dt that it would never ever start, without the choke. Put the choke on and it starts first kick. As soon as I upgraded the carb, thag problem went away.

    Always Originate, Never Pirate!

    R 2 Replies Last reply
    0
    • CalumC Calum

      Hello there,

      I found on my dt that it would never ever start, without the choke. Put the choke on and it starts first kick. As soon as I upgraded the carb, thag problem went away.

      R Offline
      R Offline
      runes
      wrote on last edited by
      #3

      @Calum hi mate. Thanks for replying. choke is on. I've tried with choke on, choke off throttle wide open etc. Do you know what carb I could get that would fit a DTR 2002?

      declanD 1 Reply Last reply
      0
      • R runes

        @Calum hi mate. Thanks for replying. choke is on. I've tried with choke on, choke off throttle wide open etc. Do you know what carb I could get that would fit a DTR 2002?

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

        @runes sure there's a place I see that sells then new I think for 130 but eBay sells the old round slide carbs for 20 they should fit but I don't know for 💯

        R 1 Reply Last reply
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        • declanD declan

          @runes sure there's a place I see that sells then new I think for 130 but eBay sells the old round slide carbs for 20 they should fit but I don't know for 💯

          R Offline
          R Offline
          runes
          wrote on last edited by
          #5

          @declan thanks mate. Do you know what model I need to get for a DTR 2002?

          1 Reply Last reply
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          • declanD Offline
            declanD Offline
            declan
            wrote on last edited by
            #6

            @runes mikuni tm 28 I believe

            R 1 Reply Last reply
            1
            • declanD declan

              @runes mikuni tm 28 I believe

              R Offline
              R Offline
              runes
              wrote on last edited by
              #7

              @declan nice one I'll have a look now

              1 Reply Last reply
              1
              • CalumC Calum

                Hello there,

                I found on my dt that it would never ever start, without the choke. Put the choke on and it starts first kick. As soon as I upgraded the carb, thag problem went away.

                R Offline
                R Offline
                runes
                wrote on last edited by
                #8

                @Calum what carb did you upgrade to mate?

                CalumC NINJAN 2 Replies Last reply
                0
                • R runes

                  @Calum what carb did you upgrade to mate?

                  CalumC Offline
                  CalumC Offline
                  Calum
                  wrote on last edited by
                  #9

                  @runes VHSA

                  Always Originate, Never Pirate!

                  1 Reply Last reply
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                  • R runes

                    @Calum what carb did you upgrade to mate?

                    NINJAN Offline
                    NINJAN Offline
                    NINJA
                    wrote on last edited by
                    #10

                    @runes Sounds to me that the mixer screw is the problem, as the mixture is wrong. It's either rusted or been abused and consequently the engines fuel/air mixture is wrong. If the plug is getting wet, surely that's from over fueling and the engine running too rich? Which would cause the starting problem you are experiencing.

                    I would get a new mixer screw fitted before doing anything else, so that you can adjust the mixture correctly and hopefully that should solve your problem. Then that way you will know for-sure if the engine's mix is correct and eliminate that from your suspected fault list before throwing a ton of cash on it. What RPM does the bike idle at???

                    SEDUCED BY THE DARK SIDE!!!

                    S 1 Reply Last reply
                    1
                    • NINJAN NINJA

                      @runes Sounds to me that the mixer screw is the problem, as the mixture is wrong. It's either rusted or been abused and consequently the engines fuel/air mixture is wrong. If the plug is getting wet, surely that's from over fueling and the engine running too rich? Which would cause the starting problem you are experiencing.

                      I would get a new mixer screw fitted before doing anything else, so that you can adjust the mixture correctly and hopefully that should solve your problem. Then that way you will know for-sure if the engine's mix is correct and eliminate that from your suspected fault list before throwing a ton of cash on it. What RPM does the bike idle at???

                      S Offline
                      S Offline
                      scrimsmustang
                      wrote on last edited by scrimsmustang
                      #11

                      You starter jets are both blocked by the sounds of it, the one on the carb body and the one in the float bowl. Common problem with none starting tm28,s

                      Very old post but should help people who think these carbs are a nightmare when they have a starting problem with them.

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