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DT125R FORUM

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  4. Hello Everyone! Planning to buy a DTR125

Hello Everyone! Planning to buy a DTR125

Scheduled Pinned Locked Moved Welcome New Owners!
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  • HOTSHOT IIIH HOTSHOT III

    @Vuteng Yes that's right, just remove the two "R" clips under the tacho. All the bulb holders are rubber and just pull out of the tacho.

    Great to hear you repaired the air filter holder!

    V Offline
    V Offline
    Vuteng
    wrote last edited by
    #16

    @HOTSHOT-III Today i took the cluster apart, bulb is okay. So I followed the wires of the oil level sensor and it's unplugged. I suspect I have to take off the tank to reconnect it? I guess it's disconnected because it is not working.

    HOTSHOT IIIH 1 Reply Last reply
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    • V Vuteng

      @HOTSHOT-III Today i took the cluster apart, bulb is okay. So I followed the wires of the oil level sensor and it's unplugged. I suspect I have to take off the tank to reconnect it? I guess it's disconnected because it is not working.

      HOTSHOT IIIH Offline
      HOTSHOT IIIH Offline
      HOTSHOT III
      wrote last edited by
      #17

      @Vuteng The previous owner may have just forgotten to reconnect it for some reason, if that fixes it then great. Connector is underneath the fuel tank as you say.

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      • V Offline
        V Offline
        Vuteng
        wrote last edited by
        #18

        I have registered the bike yesterday, already covered 100km. Love it! But what I've noticed dtarted to bother me, the clutch is veeery hard, so I would like to lube up the cable. What is the procedure to remove the cable from the bike and how to adjust it correctly?

        Also I noticed humming in 6th gear if I shift into 6th at 70kmh. If i go 80+ its okay. That is normal?
        Another thing I noticed, the bike falls on its face at 8k rpm, is it a CDI restriction or something else?

        Thanks for the help!

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        • CalumC Offline
          CalumC Offline
          Calum
          wrote last edited by
          #19

          Clutch could be stiff for many reasons. I run uprated clutch springs on my DTR so it is stiffer.

          The clutch cable comes off very simply, just slacken the adjuster nuts on the clutch arm on the engine, then remove the cable from the engine. Route it through the frame and disconnect from the clutch perch.

          You can then run some lubricant through the cable. I suspect though it'll be the clutch springs.

          If the bike is falling flat on its face at 8k, then I'd initially say Powervalve.

          Easy way to tell. Take the exhaust off, switch the ignition on and off (you'll hear the servo do the cleaning cycle). Once the powervalve turns flush with the exhaust port, switch the ignition off. Disconnect the powervalve servo from the main loom and ride the bike.

          The bike should lose all bottom end, so basically gutless below 6k, but should rev to the limiter.

          If this is the case, you've identified it's the powervalve. If this is not the case, then you know the problem lies elsewhere.

          Always Originate, Never Pirate!

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          • CalumC Calum

            Clutch could be stiff for many reasons. I run uprated clutch springs on my DTR so it is stiffer.

            The clutch cable comes off very simply, just slacken the adjuster nuts on the clutch arm on the engine, then remove the cable from the engine. Route it through the frame and disconnect from the clutch perch.

            You can then run some lubricant through the cable. I suspect though it'll be the clutch springs.

            If the bike is falling flat on its face at 8k, then I'd initially say Powervalve.

            Easy way to tell. Take the exhaust off, switch the ignition on and off (you'll hear the servo do the cleaning cycle). Once the powervalve turns flush with the exhaust port, switch the ignition off. Disconnect the powervalve servo from the main loom and ride the bike.

            The bike should lose all bottom end, so basically gutless below 6k, but should rev to the limiter.

            If this is the case, you've identified it's the powervalve. If this is not the case, then you know the problem lies elsewhere.

            V Offline
            V Offline
            Vuteng
            wrote last edited by Vuteng
            #20

            @Calum Thank you for the info, just ordered adjustable clutch and brake levers as they are very far away and I dont have small hands. Regarding the 8k problem, I tried it more today and I wouldnt say it completely stops, but It feel smore like a soft limiter, it just stops revving. I've read it can be a CDI limiter, how can I know for sure?

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

              Did you try the powervalve trick I just told you about?

              I know that the restrictions on the UK models differ from overseas models, so I am not familiar with what restrictions there are on other regions.

              Either way, grabbing yourself a Zeeltronic ignition system will make all of these problems disappear and you'll gain a noticeable midrange boost.

              Always Originate, Never Pirate!

              V 1 Reply Last reply
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              • CalumC Calum

                Did you try the powervalve trick I just told you about?

                I know that the restrictions on the UK models differ from overseas models, so I am not familiar with what restrictions there are on other regions.

                Either way, grabbing yourself a Zeeltronic ignition system will make all of these problems disappear and you'll gain a noticeable midrange boost.

                V Offline
                V Offline
                Vuteng
                wrote last edited by Vuteng
                #22

                @Calum Havent tried the powervalve trick you just told me about, will try in the weekend. So when I unplug the powervalve, to what rpm should the bike spin? Same 8k but without bottom end or higher?

                How much is the Zeeltronic ignition system?

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                • CalumC Offline
                  CalumC Offline
                  Calum
                  wrote last edited by
                  #23

                  It should rev to the redline.

                  Depends on where you get your Zeel from, I paid £200 for mine, but that was like 12+ years ago.

                  Always Originate, Never Pirate!

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                  • V Offline
                    V Offline
                    Vuteng
                    wrote last edited by
                    #24

                    Hello!

                    Enjoying the bike alot! Installed adjustable levers, changed motor oil, bike works great! But what I’ve noticed, the days it is hotter (above 30c). The temperature starts climbing quick when standing at red lights(3-4 minutes of sitting at one place), if I drive its okay, needle sits just under half. I have mostly city driving, how do you guys battle this issue, possible to install a fan or a coolant sevice should help enough?

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                    • CalumC Offline
                      CalumC Offline
                      Calum
                      wrote last edited by Calum
                      #25

                      DTRs do seem to run very hot in my experience. Always have, wouldn't worry about it.

                      My Aprilia RS usually sits around the 60 degree mark, I run a Vapor Trail Tech unit on my DTRE and it's ready 110 before!

                      To combat this, I removed the thermostat and now it sits around the 60-70 mark, just note you do really need to be careful when warming them up to ensure you don't cold-seize the engine.

                      Always Originate, Never Pirate!

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