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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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  • CalumC Calum

    @stinkwheeler Ah cheers bud. Well believe it or not, when I started this bike I didn't know a think about mechanics. So all it takes is one project to get up to speed.

    It's a good build, but you haven't spent enough time looking at other peoples builds on this forum yet to call it the best 😉 There is a lot of talent on this website, whether it be restoring a classic like @scrimsmustang & @oldman or going all out on the tuning like @Darty & @Louis-James. Definitely worth checking out their builds that they have done!

    stinkwheelerS Offline
    stinkwheelerS Offline
    stinkwheeler
    wrote on last edited by
    #103

    @calum I've seen alot of the builds on here including the 170 builds ect i should have phrased it differently i should have said one of my favourite builds rather than the best like you said before its all preferance I've had a few dts and hope to own a few more but out of them the supermotos are more my thing and i was planning on the jollymoto tail pipe and alot of those mods that you have done before i read the thread hence why its one of my faves 👌

    The hills are alive with the sound of ... braaaap baaaaap 😁

    CalumC 1 Reply Last reply
    1
    • stinkwheelerS stinkwheeler

      @calum I've seen alot of the builds on here including the 170 builds ect i should have phrased it differently i should have said one of my favourite builds rather than the best like you said before its all preferance I've had a few dts and hope to own a few more but out of them the supermotos are more my thing and i was planning on the jollymoto tail pipe and alot of those mods that you have done before i read the thread hence why its one of my faves 👌

      CalumC Offline
      CalumC Offline
      Calum
      wrote on last edited by
      #104

      @stinkwheeler Yeah I know mate, I just like to dish out the credit to others. We all draw inspiration from somewhere, it's nice to be referenced for my hard work. Thanks.

      Always Originate, Never Pirate!

      1 Reply Last reply
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      • CalumC Offline
        CalumC Offline
        Calum
        wrote on last edited by
        #105

        Hey let us resurrect a dead thread...

        Got the DT out of storage and it runs like turd. Battery is dead.

        alt text

        Bought a lithium battery for it. They are cheap now. £50 and it has 1/4 the weight. It's smaller too. And still packs enough punch to power the starter.

        Always Originate, Never Pirate!

        NINJAN 1 Reply Last reply
        2
        • CalumC Calum

          Hey let us resurrect a dead thread...

          Got the DT out of storage and it runs like turd. Battery is dead.

          alt text

          Bought a lithium battery for it. They are cheap now. £50 and it has 1/4 the weight. It's smaller too. And still packs enough punch to power the starter.

          NINJAN Offline
          NINJAN Offline
          NINJA
          wrote on last edited by
          #106

          @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

          SEDUCED BY THE DARK SIDE!!!

          CalumC 1 Reply Last reply
          0
          • 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
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