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DT125R FORUM

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  4. mpg

mpg

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  • britshgigoloB Offline
    britshgigoloB Offline
    britshgigolo
    wrote on last edited by
    #4

    im getting 97 miles to a tank

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    0
    • terry.tzT Offline
      terry.tzT Offline
      terry.tz
      wrote on last edited by
      #5

      hmmm how like I haven't monitored mine but I seem to be getting about 50-60 I think maybe it's the pinned power valve I could be mistaken tho

      "Muddy water is best cleared by leaving it alone" Alan Watts

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      • F Offline
        F Offline
        finnerz89
        wrote on last edited by
        #6

        I get about 100 miles till reserve

        Current bikes:
        DT125X '07
        Street Triple R '11
        Aprilia ETV1000 '02

        Previous:
        DR650RSE '96
        FJ1200 '92

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        1
        • NINJAN Offline
          NINJAN Offline
          NINJA
          wrote on last edited by NINJA
          #7

          The official figures are 60mpg and a 145 mile range, which may include the reserve? But I guess those figures are for owners who ride within the speed limits 24/7. I use to get 100+ per tank, 125 if I wasn't blasting my bike a lot. 🙂

          SEDUCED BY THE DARK SIDE!!!

          terry.tzT 1 Reply Last reply
          0
          • NINJAN NINJA

            The official figures are 60mpg and a 145 mile range, which may include the reserve? But I guess those figures are for owners who ride within the speed limits 24/7. I use to get 100+ per tank, 125 if I wasn't blasting my bike a lot. 🙂

            terry.tzT Offline
            terry.tzT Offline
            terry.tz
            wrote on last edited by
            #8

            @cyber-ninja that's what I mean 50-60 a tank so I'm I'm a fair wack away from 60mpg

            "Muddy water is best cleared by leaving it alone" Alan Watts

            declanD CalumC 2 Replies Last reply
            0
            • terry.tzT terry.tz

              @cyber-ninja that's what I mean 50-60 a tank so I'm I'm a fair wack away from 60mpg

              declanD Offline
              declanD Offline
              declan
              wrote on last edited by
              #9

              @terry-tz clearly your full throttle everywhere lol

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              1
              • terry.tzT terry.tz

                @cyber-ninja that's what I mean 50-60 a tank so I'm I'm a fair wack away from 60mpg

                CalumC Offline
                CalumC Offline
                Calum
                wrote on last edited by
                #10

                @terry-tz Doesn't sound right, is the carb leaking?

                Always Originate, Never Pirate!

                terry.tzT 1 Reply Last reply
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                • CalumC Calum

                  @terry-tz Doesn't sound right, is the carb leaking?

                  terry.tzT Offline
                  terry.tzT Offline
                  terry.tz
                  wrote on last edited by
                  #11

                  @calum nope

                  "Muddy water is best cleared by leaving it alone" Alan Watts

                  CalumC 1 Reply Last reply
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                  • terry.tzT terry.tz

                    @calum nope

                    CalumC Offline
                    CalumC Offline
                    Calum
                    wrote on last edited by Calum
                    #12

                    @terry-tz servo assisted.

                    YEIS installed?

                    What carb you running?

                    Always Originate, Never Pirate!

                    terry.tzT 1 Reply Last reply
                    0
                    • terry.tzT Offline
                      terry.tzT Offline
                      terry.tz
                      wrote on last edited by
                      #13

                      like I said it might just be me I'm going to clock it

                      it's at 14546 il top it up tomorrow

                      "Muddy water is best cleared by leaving it alone" Alan Watts

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                      • CalumC Calum

                        @terry-tz servo assisted.

                        YEIS installed?

                        What carb you running?

                        terry.tzT Offline
                        terry.tzT Offline
                        terry.tz
                        wrote on last edited by terry.tz
                        #14

                        @calum Mikuni flat slide not measured but I'm under the assumption it's the original so 28mm and no servo its pinned

                        "Muddy water is best cleared by leaving it alone" Alan Watts

                        CalumC 1 Reply Last reply
                        0
                        • terry.tzT terry.tz

                          @calum Mikuni flat slide not measured but I'm under the assumption it's the original so 28mm and no servo its pinned

                          CalumC Offline
                          CalumC Offline
                          Calum
                          wrote on last edited by
                          #15

                          @terry-tz So you will lose fuel economy with servo pinned, that's just how two strokes work.

                          With the servo pinned, fuel is just spat straight into the exhaust port.

                          The servo alters the exhaust port height, allowing the expansion chamber to force this lost charge back into the combustion chamber. Like in that GIF.

                          alt text

                          So yes, it will affect fuel economy. Also with servo you can spend more time at the lower RPMs without losing rideability.

                          Always Originate, Never Pirate!

                          terry.tzT 1 Reply Last reply
                          0
                          • CalumC Calum

                            @terry-tz So you will lose fuel economy with servo pinned, that's just how two strokes work.

                            With the servo pinned, fuel is just spat straight into the exhaust port.

                            The servo alters the exhaust port height, allowing the expansion chamber to force this lost charge back into the combustion chamber. Like in that GIF.

                            alt text

                            So yes, it will affect fuel economy. Also with servo you can spend more time at the lower RPMs without losing rideability.

                            terry.tzT Offline
                            terry.tzT Offline
                            terry.tz
                            wrote on last edited by
                            #16

                            @calum ye I know just didn't expect that much difference, to be honest, i been working out how many miles I have been doing it's a lot it's totally just me because I'm fueling up allot and holes are being burned in the wallet 😢

                            "Muddy water is best cleared by leaving it alone" Alan Watts

                            CalumC 1 Reply Last reply
                            0
                            • terry.tzT terry.tz

                              @calum ye I know just didn't expect that much difference, to be honest, i been working out how many miles I have been doing it's a lot it's totally just me because I'm fueling up allot and holes are being burned in the wallet 😢

                              CalumC Offline
                              CalumC Offline
                              Calum
                              wrote on last edited by
                              #17

                              @terry-tz Yeah but think about it, my bike happily poots along at 4k, so I spend a lot of time there.

                              The YPVS is allowing the exhaust to force the lost fuel air back into the combustion chamber hence why it's got torques.

                              If I were to poot along at 8K, you're twice the revs, so near enough twice the fuel.

                              Always Originate, Never Pirate!

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                              • terry.tzT Offline
                                terry.tzT Offline
                                terry.tz
                                wrote on last edited by
                                #18

                                I think it's me anyway I ride it like I stole it at the moment I'm just getting over the withdrawals of not having a bike for a while under estimating the miles am doing

                                "Muddy water is best cleared by leaving it alone" Alan Watts

                                NINJAN 1 Reply Last reply
                                1
                                • terry.tzT terry.tz

                                  I think it's me anyway I ride it like I stole it at the moment I'm just getting over the withdrawals of not having a bike for a while under estimating the miles am doing

                                  NINJAN Offline
                                  NINJAN Offline
                                  NINJA
                                  wrote on last edited by NINJA
                                  #19

                                  @terry-tz said in mpg:

                                  I think it's me anyway I ride it like I stole it at the moment I'm just getting over the withdrawals of not having a bike for a while under estimating the miles am doing

                                  Nowt wrong with enjoying your new toy bud. Bikes were made for A; Transport and B; Giving pleasure.

                                  Enjoy the ole girl and ride her rotten, plus their much better than a GF as they don't give you an ear bashing!!! LOL 😉

                                  SEDUCED BY THE DARK SIDE!!!

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                                  0
                                  • NottsbikerN Offline
                                    NottsbikerN Offline
                                    Nottsbiker
                                    wrote on last edited by
                                    #20

                                    Standard 😉

                                    1 Reply Last reply
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