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DT125R FORUM

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  3. Sprockets

Sprockets

Scheduled Pinned Locked Moved General Discussion
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  • A andrewj1680

    @Calum it's running the 3mb00 cylinder I'm considering putting a servo on it, the bike runs faultless doesn't miss a beat just a bit on the slow side

    CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #8

    @andrewj1680 Yes, but what is the code on the head?

    Always Originate, Never Pirate!

    A 1 Reply Last reply
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    • G Offline
      G Offline
      gareth_iowc
      wrote on last edited by
      #9

      My stock dtr would top out at 60 on stock brackets. That wasn't quite max revs but with all the noise I didn't dare

      DT125R 2000
      DRZ400 2006
      Golf Mk3 20v Turbo 1996

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      • CalumC Calum

        @andrewj1680 Yes, but what is the code on the head?

        A Offline
        A Offline
        andrewj1680
        wrote on last edited by
        #10

        @Calum sorry calum my bad, the cylinder head is 3bn y-4

        CalumC 1 Reply Last reply
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        • A andrewj1680

          @Calum sorry calum my bad, the cylinder head is 3bn y-4

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

          @andrewj1680 Yeah that head is restrictive.

          Either derestrict the head, or grab a 3MB head and you will see noticeable gains.

          Always Originate, Never Pirate!

          A 1 Reply Last reply
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          • CalumC Calum

            @andrewj1680 Yeah that head is restrictive.

            Either derestrict the head, or grab a 3MB head and you will see noticeable gains.

            A Offline
            A Offline
            andrewj1680
            wrote on last edited by
            #12

            @Calum thanks again, is modding it just on the squish band or is there more to it than that?

            CalumC 1 Reply Last reply
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            • A andrewj1680

              @Calum thanks again, is modding it just on the squish band or is there more to it than that?

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

              @andrewj1680 It's a specialist job I'm afraid.

              It's more complicated than what I know.

              Mick Abbey did my head for about £35 a few years back, I'm sure someone here had their 3BN done recently. Or you can pick up a 3MB Head, but they seem to be getting harder to find these days...

              Always Originate, Never Pirate!

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              • britshgigoloB Offline
                britshgigoloB Offline
                britshgigolo
                wrote on last edited by
                #14

                i had mine done by mick abbey last month was £35 turnaround was 3 days not had time to fit it yet as work is still manic

                CalumC 1 Reply Last reply
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                • britshgigoloB britshgigolo

                  i had mine done by mick abbey last month was £35 turnaround was 3 days not had time to fit it yet as work is still manic

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

                  @britshgigolo Should upload a photo so we can have a ganders 😄

                  Always Originate, Never Pirate!

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                  • A Offline
                    A Offline
                    andrewj1680
                    wrote on last edited by
                    #16

                    Ideal probably cheaper to get it done than get a replacement as I can't seem to source 1 and fowlers want £325+vat 😂😂 not the price I wanna pay as I plan a 200 build during the winter anyway

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

                      I remember once upon a time, they were easy to get ahold of.

                      If you give it to Mick Abbey, you'll get better than OEM as he tunes it for performance anyway.

                      Always Originate, Never Pirate!

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                      • britshgigoloB Offline
                        britshgigoloB Offline
                        britshgigolo
                        wrote on last edited by
                        #18

                        sorry could not find the pictures on the comp so got some new ones 0_1488925094432_reprofiled head 1.jpg 0_1488925113497_reprofiled head 2.jpg

                        CalumC 1 Reply Last reply
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                        • britshgigoloB britshgigolo

                          sorry could not find the pictures on the comp so got some new ones 0_1488925094432_reprofiled head 1.jpg 0_1488925113497_reprofiled head 2.jpg

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

                          @britshgigolo And this was a 3BN?

                          Wow that looks wicked now!

                          Really nice squish band. That's going to make a nice difference.

                          Always Originate, Never Pirate!

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                          • A Offline
                            A Offline
                            andrewj1680
                            wrote on last edited by
                            #20

                            Thanks lads I've just messaged him to do what he can with both the cylinder and the head possibly just get the bike to him to fit and sort the zeeltronic ignition too

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                            • britshgigoloB Offline
                              britshgigoloB Offline
                              britshgigolo
                              wrote on last edited by
                              #21

                              yes with the squish band seem to have lost the original photos where i had them side by side

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                              • britshgigoloB Offline
                                britshgigoloB Offline
                                britshgigolo
                                wrote on last edited by
                                #22

                                @Calum cant wait t get it fitted normally work dies off over christmas but not stoped yet hoping for a week off at some stage to get it all fitted

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