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DT125R FORUM

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  4. 2002 dt125r rev limit??

2002 dt125r rev limit??

Scheduled Pinned Locked Moved Engine
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  • M Mitch_350z

    @calum it seems to ride better when pinned but still only does 65 max and doesn't pull too well in 6th?? Struggles a little to rev up to but don't know If this is because of the pinning??

    CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #21

    @mitch_350z It shouldn't pull well at the lower RPMs, but past 6 it should pull hard to 12. If it doesn't then it's not the powervalve causing the problem.

    Always Originate, Never Pirate!

    M 1 Reply Last reply
    0
    • CalumC Calum

      @mitch_350z It shouldn't pull well at the lower RPMs, but past 6 it should pull hard to 12. If it doesn't then it's not the powervalve causing the problem.

      M Offline
      M Offline
      Mitch_350z
      wrote on last edited by
      #22

      @calum ok thanks mate I'll have to do a bit more digging, just out of curiosity my other dtr I had was also a 2002 but had a 3 wire servo rather than the 5 wire this one has?? What difference does this make??
      Cheers Mitch

      1 Reply Last reply
      0
      • DartyD Offline
        DartyD Offline
        Darty
        wrote on last edited by
        #23

        Everybody has to remember that 99' onwards 3RM DT's are CDI restricted to 8,500 RPM...

        So, don't expect anything like a 3 wire servo Pre 96' model.

        Keep it real

        CalumC F 2 Replies Last reply
        1
        • DartyD Darty

          Everybody has to remember that 99' onwards 3RM DT's are CDI restricted to 8,500 RPM...

          So, don't expect anything like a 3 wire servo Pre 96' model.

          CalumC Offline
          CalumC Offline
          Calum
          wrote on last edited by
          #24

          @darty The DTRE's are not restricted to 8500. The DTR's may be.

          Always Originate, Never Pirate!

          1 Reply Last reply
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          • DartyD Darty

            Everybody has to remember that 99' onwards 3RM DT's are CDI restricted to 8,500 RPM...

            So, don't expect anything like a 3 wire servo Pre 96' model.

            F Offline
            F Offline
            finnerz89
            wrote on last edited by
            #25

            @darty definitely not, my DTX goes way past that.

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

            Previous:
            DR650RSE '96
            FJ1200 '92

            CalumC 1 Reply Last reply
            0
            • F finnerz89

              @darty definitely not, my DTX goes way past that.

              CalumC Offline
              CalumC Offline
              Calum
              wrote on last edited by
              #26

              @finnerz89 Well, I wouldn't say WAY past. I think it's 10k. Because the Powervalve closes then and then it really struggles. But it's as simple as earthing the black and green wire then you get full power.

              Always Originate, Never Pirate!

              F 1 Reply Last reply
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              • CalumC Calum

                @finnerz89 Well, I wouldn't say WAY past. I think it's 10k. Because the Powervalve closes then and then it really struggles. But it's as simple as earthing the black and green wire then you get full power.

                F Offline
                F Offline
                finnerz89
                wrote on last edited by
                #27

                @calum I've had 12k a couple of times. Earthing that cable transformed it

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

                Previous:
                DR650RSE '96
                FJ1200 '92

                DartyD 1 Reply Last reply
                1
                • F finnerz89

                  @calum I've had 12k a couple of times. Earthing that cable transformed it

                  DartyD Offline
                  DartyD Offline
                  Darty
                  wrote on last edited by Darty
                  #28

                  @finnerz89 Yeah sick, the DTRs though - are different sadly.

                  DTRE/X use a non Restricted CDI.

                  2002''s are doomed to 8.5k.

                  Keep it real

                  NINJAN M 2 Replies Last reply
                  0
                  • DartyD Darty

                    @finnerz89 Yeah sick, the DTRs though - are different sadly.

                    DTRE/X use a non Restricted CDI.

                    2002''s are doomed to 8.5k.

                    NINJAN Offline
                    NINJAN Offline
                    NINJA
                    wrote on last edited by
                    #29

                    @darty My '03 was de-restricted and went up to 11K+ NP's. 🙂

                    SEDUCED BY THE DARK SIDE!!!

                    DartyD 1 Reply Last reply
                    0
                    • NINJAN NINJA

                      @darty My '03 was de-restricted and went up to 11K+ NP's. 🙂

                      DartyD Offline
                      DartyD Offline
                      Darty
                      wrote on last edited by
                      #30

                      @cyber-ninja Tell you what, it's said that there were some 3RM CDI's that were Unrestricted from factory for last model 2003'

                      I can't remember the CDI code, if you had one, that was pretty rare!

                      Keep it real

                      NINJAN Sgt Robuck 5S 2 Replies Last reply
                      2
                      • DartyD Darty

                        @cyber-ninja Tell you what, it's said that there were some 3RM CDI's that were Unrestricted from factory for last model 2003'

                        I can't remember the CDI code, if you had one, that was pretty rare!

                        NINJAN Offline
                        NINJAN Offline
                        NINJA
                        wrote on last edited by
                        #31

                        @darty I can't answer that for you as I sold the bike, but if it was an un-restricted CDI then yes I was very lucky indeed!! 🙂

                        SEDUCED BY THE DARK SIDE!!!

                        1 Reply Last reply
                        0
                        • DartyD Darty

                          @finnerz89 Yeah sick, the DTRs though - are different sadly.

                          DTRE/X use a non Restricted CDI.

                          2002''s are doomed to 8.5k.

                          M Offline
                          M Offline
                          Mitch_350z
                          wrote on last edited by
                          #32

                          @darty could this be as simple as swapping the cdi for an unrestricted one or is this not possible??

                          1 Reply Last reply
                          0
                          • CalumC Offline
                            CalumC Offline
                            Calum
                            wrote on last edited by
                            #33

                            My brother had a 2001 DTR and it was slow as fook.

                            Although once derestricted it went like stink.

                            Pretty sure he swapped out the CDI though.

                            Always Originate, Never Pirate!

                            declanD 1 Reply Last reply
                            0
                            • CalumC Calum

                              My brother had a 2001 DTR and it was slow as fook.

                              Although once derestricted it went like stink.

                              Pretty sure he swapped out the CDI though.

                              declanD Offline
                              declanD Offline
                              declan
                              wrote on last edited by
                              #34

                              @calum do most still have the reed valve behind the clock or is that only for speed not revs?

                              NINJAN 1 Reply Last reply
                              0
                              • declanD declan

                                @calum do most still have the reed valve behind the clock or is that only for speed not revs?

                                NINJAN Offline
                                NINJAN Offline
                                NINJA
                                wrote on last edited by NINJA
                                #35

                                @declan I believe that it's a sensor which forms part of the de-restriction system. It monitor's RPM's and when a set limit is reached it retards the CDI/engine from going any higher. Hence if you unplug the sensor then in theory your engine is capable of reaching it's highest maximum RPM.

                                SEDUCED BY THE DARK SIDE!!!

                                declanD M 2 Replies Last reply
                                0
                                • NINJAN NINJA

                                  @declan I believe that it's a sensor which forms part of the de-restriction system. It monitor's RPM's and when a set limit is reached it retards the CDI/engine from going any higher. Hence if you unplug the sensor then in theory your engine is capable of reaching it's highest maximum RPM.

                                  declanD Offline
                                  declanD Offline
                                  declan
                                  wrote on last edited by
                                  #36

                                  @cyber-ninja I have no reed switch I have no grey box in front of the oil tank but my bike is a pre 99 I can't find any restrictions 😐

                                  1 Reply Last reply
                                  0
                                  • NINJAN NINJA

                                    @declan I believe that it's a sensor which forms part of the de-restriction system. It monitor's RPM's and when a set limit is reached it retards the CDI/engine from going any higher. Hence if you unplug the sensor then in theory your engine is capable of reaching it's highest maximum RPM.

                                    M Offline
                                    M Offline
                                    Mitch_350z
                                    wrote on last edited by
                                    #37

                                    @cyber-ninja I have moved the reed switch behind the speedo but not unplugged anything??

                                    1 Reply Last reply
                                    0
                                    • DartyD Darty

                                      @cyber-ninja Tell you what, it's said that there were some 3RM CDI's that were Unrestricted from factory for last model 2003'

                                      I can't remember the CDI code, if you had one, that was pretty rare!

                                      Sgt Robuck 5S Offline
                                      Sgt Robuck 5S Offline
                                      Sgt Robuck 5
                                      wrote on last edited by
                                      #38

                                      @darty They are rare? I currently have a dtr 125 2002 (Registered as a 2003)

                                      declanD 1 Reply Last reply
                                      0
                                      • Sgt Robuck 5S Sgt Robuck 5

                                        @darty They are rare? I currently have a dtr 125 2002 (Registered as a 2003)

                                        declanD Offline
                                        declanD Offline
                                        declan
                                        wrote on last edited by
                                        #39

                                        @sgt-robuck-5 you don’t see too many of that era of dt I don’t know if there rare I’m just speaking from experience in looking to buy although you will find them usually it’s an older
                                        Model that you will come across

                                        1 Reply Last reply
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