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DT125R FORUM

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The Leviathan Project

Scheduled Pinned Locked Moved DTRE
4dlzeeltronicdtreleviathanbelgarda
132 Posts 23 Posters 58.7k Views
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  • NINJAN NINJA

    @Calum COOL welcome to the club, the downside to buying a Lithium battery is you need a specific charger for. Regular ones will not charge it, I bought this one;

    https://www.mandp.co.uk/products/battery-charger-jmp4000-605911

    CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #107

    @NINJA I got lithium on the rs bud. So already have the charger.

    Always Originate, Never Pirate!

    declanD 1 Reply Last reply
    1
    • CalumC Calum

      @NINJA I got lithium on the rs bud. So already have the charger.

      declanD Offline
      declanD Offline
      declan
      wrote on last edited by
      #108

      @Calum you got a part number bud?

      CalumC 1 Reply Last reply
      0
      • declanD declan

        @Calum you got a part number bud?

        CalumC Offline
        CalumC Offline
        Calum
        wrote on last edited by
        #109

        @declan I just searched for it on ebay

        Always Originate, Never Pirate!

        1 Reply Last reply
        1
        • CalumC Offline
          CalumC Offline
          Calum
          wrote on last edited by
          #110

          Got some new grips and sorted some other niggles out.

          Running sweet as a nut niw.

          This pipe packs a punch and sounds the tits full chat.

          alt text

          Always Originate, Never Pirate!

          NINJAN 1 Reply Last reply
          2
          • CalumC Calum

            Got some new grips and sorted some other niggles out.

            Running sweet as a nut niw.

            This pipe packs a punch and sounds the tits full chat.

            alt text

            NINJAN Offline
            NINJAN Offline
            NINJA
            wrote on last edited by
            #111

            @Calum COOL pic. They reckon with the Aprila MX 125, if you swap the exhaust for the RS under slung pipe you get an extra 2hp, maybe the DT receives the same benefit???

            SEDUCED BY THE DARK SIDE!!!

            N 1 Reply Last reply
            0
            • NINJAN NINJA

              @Calum COOL pic. They reckon with the Aprila MX 125, if you swap the exhaust for the RS under slung pipe you get an extra 2hp, maybe the DT receives the same benefit???

              N Offline
              N Offline
              NosmokeNopoke
              wrote on last edited by
              #112

              @NINJA I had a handmade underslung pipe from Romeu on my DTR and wow it made a difference once she was jetted correctly!! Couldnt tell you BHP wise but it certainly made a huge difference, absolute flier! And as poster said, sounds THE tits!

              1 Reply Last reply
              1
              • pedrobatista10P Offline
                pedrobatista10P Offline
                pedrobatista10
                wrote on last edited by
                #113

                i have romeu henriques pipe too on my dtx and its amazing the sound!

                1 Reply Last reply
                2
                • CalumC Offline
                  CalumC Offline
                  Calum
                  wrote on last edited by
                  #114

                  Wrap around exhausts are a compromise for clearance. This would be no good off road, but designed to be performant.

                  Jetting wise, on my vhsa, it's a tad lean. Breaking up in the mid range before it comes on pipe. Compare that to the dep pipe same setup, it was far too rich. So it is definitely utilising the fuel better.

                  Always Originate, Never Pirate!

                  NINJAN 1 Reply Last reply
                  1
                  • CalumC Calum

                    Wrap around exhausts are a compromise for clearance. This would be no good off road, but designed to be performant.

                    Jetting wise, on my vhsa, it's a tad lean. Breaking up in the mid range before it comes on pipe. Compare that to the dep pipe same setup, it was far too rich. So it is definitely utilising the fuel better.

                    NINJAN Offline
                    NINJAN Offline
                    NINJA
                    wrote on last edited by
                    #115

                    @Calum Do you need some extra bling???

                    https://www.ebay.co.uk/itm/Aluminium-brake-clutch-reservoir-cover-engraved-alloy-yamaha-logo/163643491800?hash=item2619e985d8ⓂmLM5llX4n76gdhiuwe6YFPw

                    SEDUCED BY THE DARK SIDE!!!

                    CalumC 1 Reply Last reply
                    1
                    • NINJAN NINJA

                      @Calum Do you need some extra bling???

                      https://www.ebay.co.uk/itm/Aluminium-brake-clutch-reservoir-cover-engraved-alloy-yamaha-logo/163643491800?hash=item2619e985d8ⓂmLM5llX4n76gdhiuwe6YFPw

                      CalumC Offline
                      CalumC Offline
                      Calum
                      wrote on last edited by
                      #116

                      @NINJA Yeah I like that. Is that the rear reservoir cause everything else is non-standard...

                      Always Originate, Never Pirate!

                      NINJAN 2 Replies Last reply
                      0
                      • CalumC Calum

                        @NINJA Yeah I like that. Is that the rear reservoir cause everything else is non-standard...

                        NINJAN Offline
                        NINJAN Offline
                        NINJA
                        wrote on last edited by
                        #117

                        @Calum I think that it's basically a universal cap to fit any 50mm diameter reservoir, so it can be used on either the front or rear. 😉

                        SEDUCED BY THE DARK SIDE!!!

                        1 Reply Last reply
                        0
                        • CalumC Calum

                          @NINJA Yeah I like that. Is that the rear reservoir cause everything else is non-standard...

                          NINJAN Offline
                          NINJAN Offline
                          NINJA
                          wrote on last edited by
                          #118

                          @Calum Is your underslung a Romeu pipe or is it custom made???

                          SEDUCED BY THE DARK SIDE!!!

                          CalumC 1 Reply Last reply
                          0
                          • NINJAN NINJA

                            @Calum Is your underslung a Romeu pipe or is it custom made???

                            CalumC Offline
                            CalumC Offline
                            Calum
                            wrote on last edited by Calum
                            #119

                            @NINJA Yeah it's a Romeu pipe. Bought it years and years ago. 2012 I think. With a Jolly Moto silencer.

                            Always Originate, Never Pirate!

                            NINJAN 1 Reply Last reply
                            0
                            • CalumC Calum

                              @NINJA Yeah it's a Romeu pipe. Bought it years and years ago. 2012 I think. With a Jolly Moto silencer.

                              NINJAN Offline
                              NINJAN Offline
                              NINJA
                              wrote on last edited by NINJA
                              #120

                              @Calum I thought so, I was just looking it up on ebay;

                              https://www.ebay.co.uk/itm/YAMAHA-DTR-125-Stainless-Steel-Exhaust-Pipe-Hand-Made-for-DTR-DTX-E-DT125/302400217348?hash=item4668752104:g:bHIAAOSwNSxU03eA

                              I spotted this MX on the web with an RS pipe fitted to it and the dude reckons it adds 9Bhp to the 122 lump!!!

                              Aprilia MX125-59.jpg

                              Aprilia MX125-62.jpg

                              Aprilia MX125-57.jpg

                              SEDUCED BY THE DARK SIDE!!!

                              1 Reply Last reply
                              1
                              • CalumC Offline
                                CalumC Offline
                                Calum
                                wrote on last edited by
                                #121

                                A good pipe will make or break a two stroke.

                                Pipes have such a varied affect.

                                I won't rule it out, although 9 is extreme!

                                You can get 9 BHP more, but the Power Curve would be like J (Nothing nothing Nothing ohh power change).

                                Or get a pipe where it's powerband is more well rounded.

                                A wrap around exhaust is a huge compromise in performance. It's designed for clearance, not performance in mind. And underslung really releases that last part of the performance, at the expense of clearance.

                                But it's a stylistic choice that not everyone wants. I like it, it suits me as I dont' do, or plan on doing, offroading.

                                Always Originate, Never Pirate!

                                NINJAN 1 Reply Last reply
                                0
                                • pedrobatista10P Offline
                                  pedrobatista10P Offline
                                  pedrobatista10
                                  wrote on last edited by
                                  #122

                                  on my dtx i have romeu inox pipe too. i guess here in portugal, he is the best making them for dtr/x

                                  1 Reply Last reply
                                  1
                                  • CalumC Calum

                                    A good pipe will make or break a two stroke.

                                    Pipes have such a varied affect.

                                    I won't rule it out, although 9 is extreme!

                                    You can get 9 BHP more, but the Power Curve would be like J (Nothing nothing Nothing ohh power change).

                                    Or get a pipe where it's powerband is more well rounded.

                                    A wrap around exhaust is a huge compromise in performance. It's designed for clearance, not performance in mind. And underslung really releases that last part of the performance, at the expense of clearance.

                                    But it's a stylistic choice that not everyone wants. I like it, it suits me as I dont' do, or plan on doing, offroading.

                                    NINJAN Offline
                                    NINJAN Offline
                                    NINJA
                                    wrote on last edited by NINJA
                                    #123

                                    @Calum That's a Jollymoto pipe, which is very similar to Romeu's own version. It is a very unique look for-sure, the RS pipe tucks under pretty nicely tho, so it's not a total eyesore. This may be a future mod for my MX, along with other planned upgrades. The owner had other mods on it, here's his gibberish;

                                    "my 41 bhp mx 125 its been tuned by 55cctuning.com they have dun all the dyno work all the tuning the beggest power mod was the jollymoto pipe off a rs 125 it gave it 9 bhp just from the pipe it was 26 bhp when i got it.the pipe made it 35 hp then i got 34 carb- racing piston-racing reeds-twinair air fliter-bigger jets that gave it 6 bhp its very fast for a 125 it run 14.flat at york dragway with a 4.9 0/60"

                                    SEDUCED BY THE DARK SIDE!!!

                                    1 Reply Last reply
                                    0
                                    • CalumC Offline
                                      CalumC Offline
                                      Calum
                                      wrote on last edited by
                                      #124

                                      Highly doubt it's putting out that much power. Love to see the power
                                      curve.

                                      Always Originate, Never Pirate!

                                      NINJAN 1 Reply Last reply
                                      0
                                      • CalumC Calum

                                        Highly doubt it's putting out that much power. Love to see the power
                                        curve.

                                        NINJAN Offline
                                        NINJAN Offline
                                        NINJA
                                        wrote on last edited by
                                        #125

                                        @Calum Yeah that would be interesting for-sure.

                                        SEDUCED BY THE DARK SIDE!!!

                                        1 Reply Last reply
                                        0
                                        • CalumC Offline
                                          CalumC Offline
                                          Calum
                                          wrote on last edited by
                                          #126

                                          Just a note for myself in the future.

                                          Front Master Cylinder 2002 RSV Mille
                                          Front Forks WR250F 2003 Kayaba 46mm

                                          That's the problem when you go custom, can't remember where half this stuff is from 🤣

                                          Always Originate, Never Pirate!

                                          declanD 1 Reply Last reply
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