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DT125R FORUM

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  3. y1/y2 barrel

y1/y2 barrel

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  • K Offline
    K Offline
    kevb1967
    wrote on 20 Jun 2021, 19:25 last edited by
    #1

    does a Y-1 barrel have better performance than a Y-2 Barrel does any one know please ?

    D 1 Reply Last reply 20 Jun 2021, 19:48
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    • K kevb1967
      20 Jun 2021, 19:25

      does a Y-1 barrel have better performance than a Y-2 Barrel does any one know please ?

      D Offline
      D Offline
      declan
      wrote on 20 Jun 2021, 19:48 last edited by
      #2

      @kevb1967 I don't believe there's a difference, to know if you have a "special" cylinder you generally look at the code stamp stock dtr is 3mb00 I believe

      1 Reply Last reply
      1
      • N Offline
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        Nottsbiker
        wrote on 21 Jun 2021, 10:22 last edited by
        #3

        The barrel also needs to have P stamped in it, and I'm also led to believe that the 4FU is the best standard one to have

        C 1 Reply Last reply 21 Jun 2021, 10:30
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        • N Nottsbiker
          21 Jun 2021, 10:22

          The barrel also needs to have P stamped in it, and I'm also led to believe that the 4FU is the best standard one to have

          C Online
          C Online
          Calum
          wrote on 21 Jun 2021, 10:30 last edited by
          #4

          @nottsbiker No, the best barrel is the SP barrel.

          I've never tried the 4FU barrel but certainly would be interested.

          Always Originate, Never Pirate!

          D N 2 Replies Last reply 22 Jun 2021, 13:16
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          • C Calum
            21 Jun 2021, 10:30

            @nottsbiker No, the best barrel is the SP barrel.

            I've never tried the 4FU barrel but certainly would be interested.

            D Offline
            D Offline
            declan
            wrote on 22 Jun 2021, 13:16 last edited by declan
            #5

            @calum you can get them for cheap ish needing a template from time to time if I see one I'll link you

            C 1 Reply Last reply 22 Jun 2021, 13:22
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            • D declan
              22 Jun 2021, 13:16

              @calum you can get them for cheap ish needing a template from time to time if I see one I'll link you

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              Calum
              wrote on 22 Jun 2021, 13:22 last edited by
              #6

              @declan I have owned one previously. It's about ensuring you have the right powervalve to fit also.

              I am no longer working on DTRs anymore. I recently got the Athena 170 kit, but I am not tuning anymore. Just want to thump along on my little smoker enjoying it for what it is.

              Always Originate, Never Pirate!

              D 1 Reply Last reply 22 Jun 2021, 13:28
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              • C Calum
                22 Jun 2021, 13:22

                @declan I have owned one previously. It's about ensuring you have the right powervalve to fit also.

                I am no longer working on DTRs anymore. I recently got the Athena 170 kit, but I am not tuning anymore. Just want to thump along on my little smoker enjoying it for what it is.

                D Offline
                D Offline
                declan
                wrote on 22 Jun 2021, 13:28 last edited by
                #7

                @calum yeah it's a lot simpler to slap on a bbk than to faff around with tuning and the 170 is usually the more sensible option anyway the dt is a good bike but a little heavy for the engine so bump up that torque a bit and I'd imagine it's a really capable fun bike

                C 1 Reply Last reply 22 Jun 2021, 13:50
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                • D declan
                  22 Jun 2021, 13:28

                  @calum yeah it's a lot simpler to slap on a bbk than to faff around with tuning and the 170 is usually the more sensible option anyway the dt is a good bike but a little heavy for the engine so bump up that torque a bit and I'd imagine it's a really capable fun bike

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                  Calum
                  wrote on 22 Jun 2021, 13:50 last edited by
                  #8

                  @declan Yeah, I only bought the 170 on a whim. I've had one before and wasn't overly impressed. But it was just something to.

                  I will say, lovely bit of kit for the money. I paid a similar price for my Italkit setup for my RS and for the money, you certainly get a lot. I haven't even fired up the Athena kit yet lol. Just been sat on a brand new engine for months. Probably should get around sorting that out to be fair.

                  Always Originate, Never Pirate!

                  D 1 Reply Last reply 22 Jun 2021, 14:34
                  0
                  • C Calum
                    22 Jun 2021, 13:50

                    @declan Yeah, I only bought the 170 on a whim. I've had one before and wasn't overly impressed. But it was just something to.

                    I will say, lovely bit of kit for the money. I paid a similar price for my Italkit setup for my RS and for the money, you certainly get a lot. I haven't even fired up the Athena kit yet lol. Just been sat on a brand new engine for months. Probably should get around sorting that out to be fair.

                    D Offline
                    D Offline
                    declan
                    wrote on 22 Jun 2021, 14:34 last edited by
                    #9

                    @calum yeah get her done

                    S 1 Reply Last reply 23 Jun 2021, 13:28
                    0
                    • D declan
                      22 Jun 2021, 14:34

                      @calum yeah get her done

                      S Offline
                      S Offline
                      SpookDog
                      wrote on 23 Jun 2021, 13:28 last edited by
                      #10

                      It’s a hard life! πŸ™„ 😜

                      There’s a 4fu on fleabay at the mo for Β£50. It looks like the top of the exhaust port is damaged though. I don’t know if you can resleeve Dtr barrels easily?

                      C 1 Reply Last reply 23 Jun 2021, 13:44
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                      • S SpookDog
                        23 Jun 2021, 13:28

                        It’s a hard life! πŸ™„ 😜

                        There’s a 4fu on fleabay at the mo for Β£50. It looks like the top of the exhaust port is damaged though. I don’t know if you can resleeve Dtr barrels easily?

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                        Calum
                        wrote on 23 Jun 2021, 13:44 last edited by
                        #11

                        @spookdog The 4FU is nikasil plated, rather than a steel liner.

                        Always Originate, Never Pirate!

                        S 1 Reply Last reply 23 Jun 2021, 14:09
                        0
                        • C Calum
                          23 Jun 2021, 13:44

                          @spookdog The 4FU is nikasil plated, rather than a steel liner.

                          S Offline
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                          SpookDog
                          wrote on 23 Jun 2021, 14:09 last edited by
                          #12

                          @calum

                          That explains why it’s been there so long πŸ™‚

                          D 1 Reply Last reply 23 Jun 2021, 17:04
                          0
                          • S SpookDog
                            23 Jun 2021, 14:09

                            @calum

                            That explains why it’s been there so long πŸ™‚

                            D Offline
                            D Offline
                            declan
                            wrote on 23 Jun 2021, 17:04 last edited by
                            #13

                            @spookdog yup πŸ˜‚

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                            • C Calum
                              21 Jun 2021, 10:30

                              @nottsbiker No, the best barrel is the SP barrel.

                              I've never tried the 4FU barrel but certainly would be interested.

                              N Offline
                              N Offline
                              Nottsbiker
                              wrote on 24 Jun 2021, 10:00 last edited by
                              #14

                              @calum said in y1/y2 barrel:

                              @nottsbiker No, the best barrel is the SP barrel.

                              I've never tried the 4FU barrel but certainly would be interested.

                              Yes I can imagine it is - good luck finding one though!

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                              22 Jun 2021, 13:28


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