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DT125R FORUM

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  3. y1/y2 barrel

y1/y2 barrel

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  • 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

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    • 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
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      • 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
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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.

          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
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          • 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
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            • 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
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              • 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
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                • 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
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                  • 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
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                    • 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
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                      • 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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