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DT125R FORUM

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  2. General Discussion
  3. How quick should a dt be?

How quick should a dt be?

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  • D Offline
    D Offline
    DevonDtr
    wrote on last edited by
    #1

    So exactly how fast should a dt be? Mine has a dep big one full system, other than that standard, and yet it isn't much faster than a yammy yzf r125. Should a dt have much bottom end

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    • Biker_123B Offline
      Biker_123B Offline
      Biker_123
      wrote on last edited by
      #2

      Mines is pretty much standard but with a full dep system and its extremely fast the needle goes of the box with ease. I guess it just goes on the year and the amount of restrictions as I hear the newer ones have more restrictions in place so aren't as quick untill modded

      Every problem has a solution

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      • D Offline
        D Offline
        DevonDtr
        wrote on last edited by
        #3

        As far as I know it's restricted, it's a 2004 dtre. Only restrictions I can find on Google are exhaust, manifold and cable behind zpeedo....

        Biker_123B 1 Reply Last reply
        0
        • D DevonDtr

          As far as I know it's restricted, it's a 2004 dtre. Only restrictions I can find on Google are exhaust, manifold and cable behind zpeedo....

          Biker_123B Offline
          Biker_123B Offline
          Biker_123
          wrote on last edited by
          #4

          @DevonDtr Yeah I think that's all the restrictions that are on that model and once there all taken care of and you re-jet the carb you'll gain some more power! You could also try playing around with the sprocket sizes to get more top end out the bike by going up a few teeth on the front sprocket and down some on the rear and I hear changing the CDI makes a huge difference on these bikes and is the best money you can spend to gain more power so if your unhappy definitely look into those basic mods first 🙂

          Every problem has a solution

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          • D Offline
            D Offline
            DevonDtr
            wrote on last edited by
            #5

            Not interested in top end really, it tops 80 on a good non windy day: )

            Biker_123B 1 Reply Last reply
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            • D DevonDtr

              Not interested in top end really, it tops 80 on a good non windy day: )

              Biker_123B Offline
              Biker_123B Offline
              Biker_123
              wrote on last edited by
              #6

              @DevonDtr That's actually decent then if it's still restricted haha 👍🏻. Has your friends bike got any mods done to it as I'd imagine your bike should still be quicker than a 125 4/

              Every problem has a solution

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              • D Offline
                D Offline
                DevonDtr
                wrote on last edited by
                #7

                Nope, it's brand new and he weighs 15 stone. I only weigh 12 and mines marginally quicker

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                • Biker_123B Offline
                  Biker_123B Offline
                  Biker_123
                  wrote on last edited by
                  #8

                  Hmm weird! I know a few people with 125 4/ bikes and they can't get close to my bike although one friend has a Yamaha wr125 supermoto that's been fitted with a big bore kit and some other mods and that will keep up with my DT but accelation wise my bike destroys it lol must be because my bikes older 1997 it's full power it will happily sit behind my cousins YZ 125 and acceleration wise it isn't far behind it

                  Every problem has a solution

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

                    It should piss all over the yzf r125.

                    You're confusing.

                    You say its got a dep and a big one full system.

                    Which is it. You can't have both.

                    You either have a big one full system.

                    Or a dep.

                    Or do you mean you have a big one expansion chamber and a dep end can.

                    Even as stock the dt should destroy the r125. I remember kids around me having one back in the day. Unless they got a whole lot faster!

                    The DT isn't a pocket rocket though. They are just an all round good two stroke. Get something like an rs that will make 250 four strokes look silly.

                    Always Originate, Never Pirate!

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                    • D Offline
                      D Offline
                      DevonDtr
                      wrote on last edited by
                      #10

                      So it's a big one expansion and tail pipe, just had dep sticker (my bad)

                      CalumC 1 Reply Last reply
                      0
                      • D DevonDtr

                        So it's a big one expansion and tail pipe, just had dep sticker (my bad)

                        CalumC Offline
                        CalumC Offline
                        Calum
                        wrote on last edited by
                        #11

                        @DevonDtr Fair enough.

                        Yeah these bikes are easy enough to derestrict. But mine was restricted and it was far superior than a YZF R125. But I hear really bad things about the Big One Pipe!

                        Always Originate, Never Pirate!

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                        0
                        • D Offline
                          D Offline
                          DevonDtr
                          wrote on last edited by
                          #12

                          Yeah I wanted an fmf full system but they are Mega bucks. Next month she in again for another batch of goodies so hopefully I will see better performance

                          CalumC 1 Reply Last reply
                          0
                          • D DevonDtr

                            Yeah I wanted an fmf full system but they are Mega bucks. Next month she in again for another batch of goodies so hopefully I will see better performance

                            CalumC Offline
                            CalumC Offline
                            Calum
                            wrote on last edited by
                            #13

                            @DevonDtr didn't realise fmf did a system.

                            I have done them all.mate. Best bang for buck is to get yourself a Zeeltronic ignition system mate. So much more power.

                            Always Originate, Never Pirate!

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                            • D Offline
                              D Offline
                              DevonDtr
                              wrote on last edited by
                              #14

                              Apparently they do, or so I got told by local mx shop 😀

                              Biker_123B 1 Reply Last reply
                              0
                              • D DevonDtr

                                Apparently they do, or so I got told by local mx shop 😀

                                Biker_123B Offline
                                Biker_123B Offline
                                Biker_123
                                wrote on last edited by
                                #15

                                @DevonDtr I've been looking into exhaust systems for a DTR SM project I'm currently building up at the moment but it seems the FMF system isn't official from what I've been reading. A ktm 125 FMF system can be made to fit the dt's with some modification there's a few videos on YouTube with dt's using them.

                                Every problem has a solution

                                CalumC 1 Reply Last reply
                                0
                                • Biker_123B Biker_123

                                  @DevonDtr I've been looking into exhaust systems for a DTR SM project I'm currently building up at the moment but it seems the FMF system isn't official from what I've been reading. A ktm 125 FMF system can be made to fit the dt's with some modification there's a few videos on YouTube with dt's using them.

                                  CalumC Offline
                                  CalumC Offline
                                  Calum
                                  wrote on last edited by
                                  #16

                                  @Biker_123 makes sense. KTM did a model with dtr engine in. So would make sense a pipe exists for it.

                                  Always Originate, Never Pirate!

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                                  2
                                  • D Offline
                                    D Offline
                                    DevonDtr
                                    wrote on last edited by
                                    #17

                                    This zeeltronic system, I found the site but can't find a price, are they expensive?

                                    DartyD CalumC 2 Replies Last reply
                                    0
                                    • D DevonDtr

                                      This zeeltronic system, I found the site but can't find a price, are they expensive?

                                      DartyD Offline
                                      DartyD Offline
                                      Darty
                                      wrote on last edited by
                                      #18

                                      @DevonDtr Last time I enquired about just the unit alone it was £220. You do kind of need the handheld programmer, they are really helpful. They were £60 :L

                                      Keep it real

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                                      0
                                      • D DevonDtr

                                        This zeeltronic system, I found the site but can't find a price, are they expensive?

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

                                        @DevonDtr i went directly to Yamaha and got mine for 160. But he bought mine in bulk.

                                        Could give them a bell and ask Yamaha Skellerns a ring and ask.

                                        Always Originate, Never Pirate!

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                                        • D Offline
                                          D Offline
                                          DevonDtr
                                          wrote on last edited by
                                          #20

                                          I got a yam dealer close so I will pop in and ask 🙂 is it a massive differenc for the price?

                                          CalumC 1 Reply Last reply
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