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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 last edited by
    #1

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

    declanD 1 Reply Last reply
    0
    • K kevb1967

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

      declanD Offline
      declanD Offline
      declan
      wrote on 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
      • NottsbikerN Offline
        NottsbikerN Offline
        Nottsbiker
        wrote on 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

        CalumC 1 Reply Last reply
        0
        • NottsbikerN Nottsbiker

          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

          CalumC Offline
          CalumC Offline
          Calum
          wrote on 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!

          declanD NottsbikerN 2 Replies Last reply
          0
          • CalumC Calum

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

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

            declanD Offline
            declanD Offline
            declan
            wrote on 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

            CalumC 1 Reply Last reply
            0
            • declanD declan

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

              CalumC Offline
              CalumC Offline
              Calum
              wrote on 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!

              declanD 1 Reply Last reply
              0
              • CalumC Calum

                @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.

                declanD Offline
                declanD Offline
                declan
                wrote on 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

                CalumC 1 Reply Last reply
                0
                • declanD declan

                  @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

                  CalumC Offline
                  CalumC Offline
                  Calum
                  wrote on 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!

                  declanD 1 Reply Last reply
                  0
                  • CalumC Calum

                    @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.

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

                    @calum yeah get her done

                    S 1 Reply Last reply
                    0
                    • declanD declan

                      @calum yeah get her done

                      S Offline
                      S Offline
                      SpookDog
                      wrote on 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?

                      CalumC 1 Reply Last reply
                      0
                      • S SpookDog

                        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?

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

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

                        Always Originate, Never Pirate!

                        S 1 Reply Last reply
                        0
                        • CalumC Calum

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

                          S Offline
                          S Offline
                          SpookDog
                          wrote on last edited by
                          #12

                          @calum

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

                          declanD 1 Reply Last reply
                          0
                          • S SpookDog

                            @calum

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

                            declanD Offline
                            declanD Offline
                            declan
                            wrote on last edited by
                            #13

                            @spookdog yup πŸ˜‚

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                            • CalumC Calum

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

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

                              NottsbikerN Offline
                              NottsbikerN Offline
                              Nottsbiker
                              wrote on 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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