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DT125R FORUM

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  4. Opinions Honda NSR 125 1989

Opinions Honda NSR 125 1989

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  • CalumC Calum

    @dtr-nsr Lovely bikes there were. Not the best handling wise, but gorgeous to look at.

    M Offline
    M Offline
    Mitch_350z
    wrote on last edited by
    #39

    @calum not too sure whether it actually makes much difference but I owned a 2007 rs125 full power model, standard pipe and carb settings according to the previous owner but with the cdi copper wire cut (supposed to unleash 33bhp??) I had an indicated GPS top speed of 105mph.

    CalumC 1 Reply Last reply
    0
    • M Mitch_350z

      @calum not too sure whether it actually makes much difference but I owned a 2007 rs125 full power model, standard pipe and carb settings according to the previous owner but with the cdi copper wire cut (supposed to unleash 33bhp??) I had an indicated GPS top speed of 105mph.

      CalumC Offline
      CalumC Offline
      Calum
      wrote on last edited by
      #40

      @mitch_350z The 2007 models are widely different handling characteristics to the older ones. Revised frame, subframe, forks, wheels and ignition.

      They won't be 33bhp, but they'll be the closest thing you'll get to them out the factory.

      PJME have a tuned 140cc Aprilia RS 125 on the dyno on YouTube that made 25 bhp, the stock cylinder made closer to 26 with small power band.

      But that was at the wheel. Impressive figures for a 125 road going bike nevertheless.

      Always Originate, Never Pirate!

      S 1 Reply Last reply
      0
      • Irongamer727I Offline
        Irongamer727I Offline
        Irongamer727
        wrote on last edited by
        #41

        Now I'm turning my interest towards an 1997 NSR. Everything works, 24000 km on the clock and in good condition. Worth £700?
        It's fully derestricted.

        1 Reply Last reply
        0
        • Irongamer727I Offline
          Irongamer727I Offline
          Irongamer727
          wrote on last edited by
          #42

          @scrimsmustang What do you reckon?

          1 Reply Last reply
          0
          • D Offline
            D Offline
            DTR+NSR
            wrote on last edited by
            #43

            Same mechanically, some tend to be restricted in funny ways depending what country they originate from. Physically smaller than the jc20, easier to work on though as the fuel tank hinges up.

            Irongamer727I 1 Reply Last reply
            0
            • D DTR+NSR

              Same mechanically, some tend to be restricted in funny ways depending what country they originate from. Physically smaller than the jc20, easier to work on though as the fuel tank hinges up.

              Irongamer727I Offline
              Irongamer727I Offline
              Irongamer727
              wrote on last edited by
              #44

              @dtr-nsr allright. Will probably pick it up this weekend.

              1 Reply Last reply
              0
              • S Offline
                S Offline
                scrimsmustang
                wrote on last edited by
                #45

                I picked this 2000 model Foxeye RR up the other week, never took it flat out but it seemed pretty quick and pulled well for a 125, I sold it 5 mins after getting it out of the van for 1500 quid as is but I liked it. If I was looking for a 125 road bike i would have one now worries, it started 1st push of the button everytime and was a quality engineered bike but its a Honda so you kind of expect it. The bike is now in Tony Armes Motorcycles in Hartlepool for sale if anyone is looking for one, that who I sold it to.

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                1 Reply Last reply
                1
                • CalumC Calum

                  @mitch_350z The 2007 models are widely different handling characteristics to the older ones. Revised frame, subframe, forks, wheels and ignition.

                  They won't be 33bhp, but they'll be the closest thing you'll get to them out the factory.

                  PJME have a tuned 140cc Aprilia RS 125 on the dyno on YouTube that made 25 bhp, the stock cylinder made closer to 26 with small power band.

                  But that was at the wheel. Impressive figures for a 125 road going bike nevertheless.

                  S Offline
                  S Offline
                  scrimsmustang
                  wrote on last edited by
                  #46

                  @calum said in Opinions Honda NSR 125 1989:

                  @mitch_350z The 2007 models are widely different handling characteristics to the older ones. Revised frame, subframe, forks, wheels and ignition.

                  They won't be 33bhp, but they'll be the closest thing you'll get to them out the factory.

                  PJME have a tuned 140cc Aprilia RS 125 on the dyno on YouTube that made 25 bhp, the stock cylinder made closer to 26 with small power band.

                  But that was at the wheel. Impressive figures for a 125 road going bike nevertheless.

                  Ive got a well i should say had a pristine 2001 KMX with a stock motor making 19 at the rear wheel on the dyno just with jetting Boyessens and a Giannelli and people say they are slow.

                  CalumC 1 Reply Last reply
                  0
                  • S scrimsmustang

                    @calum said in Opinions Honda NSR 125 1989:

                    @mitch_350z The 2007 models are widely different handling characteristics to the older ones. Revised frame, subframe, forks, wheels and ignition.

                    They won't be 33bhp, but they'll be the closest thing you'll get to them out the factory.

                    PJME have a tuned 140cc Aprilia RS 125 on the dyno on YouTube that made 25 bhp, the stock cylinder made closer to 26 with small power band.

                    But that was at the wheel. Impressive figures for a 125 road going bike nevertheless.

                    Ive got a well i should say had a pristine 2001 KMX with a stock motor making 19 at the rear wheel on the dyno just with jetting Boyessens and a Giannelli and people say they are slow.

                    CalumC Offline
                    CalumC Offline
                    Calum
                    wrote on last edited by
                    #47

                    @scrimsmustang A pipe can make a big difference, especially if the stock system is restricted. Good figures though. I had a mate who had a 1999 KMX and he couldn't keep up with my bog standard DTRE (green and black wire earthed), and I wouldn't call the RE a quick bike.

                    Always Originate, Never Pirate!

                    1 Reply Last reply
                    1
                    • S Offline
                      S Offline
                      scrimsmustang
                      wrote on last edited by
                      #48

                      They are all far from superbikes aint they, an re with wire earthed and the stock pipe binned is as quick as an old dtr i would say though from the few ive had over the years.

                      1 Reply Last reply
                      1
                      • Irongamer727I Offline
                        Irongamer727I Offline
                        Irongamer727
                        wrote on last edited by
                        #49

                        https://youtu.be/FL51HgO_rQw

                        This is how a 2 stroke should sound!

                        1 Reply Last reply
                        0
                        • Irongamer727I Offline
                          Irongamer727I Offline
                          Irongamer727
                          wrote on last edited by
                          #50

                          It's mine btw 😉

                          CalumC 1 Reply Last reply
                          0
                          • Irongamer727I Irongamer727

                            It's mine btw 😉

                            CalumC Offline
                            CalumC Offline
                            Calum
                            wrote on last edited by
                            #51

                            @irongamer727 Sounds lovely, idling a tad low mine you.

                            What are the revs? 700

                            Always Originate, Never Pirate!

                            Irongamer727I 1 Reply Last reply
                            0
                            • CalumC Calum

                              @irongamer727 Sounds lovely, idling a tad low mine you.

                              What are the revs? 700

                              Irongamer727I Offline
                              Irongamer727I Offline
                              Irongamer727
                              wrote on last edited by
                              #52

                              @calum somewhere around there.

                              CalumC 1 Reply Last reply
                              0
                              • Irongamer727I Irongamer727

                                @calum somewhere around there.

                                CalumC Offline
                                CalumC Offline
                                Calum
                                wrote on last edited by
                                #53

                                @irongamer727 Yeah, you'll want to up that slightly.

                                Always Originate, Never Pirate!

                                1 Reply Last reply
                                0
                                • D Offline
                                  D Offline
                                  DTR+NSR
                                  wrote on last edited by
                                  #54

                                  Got the same exhaust on mine but with a tyga end can, what jetting are you running?

                                  Irongamer727I 1 Reply Last reply
                                  0
                                  • D DTR+NSR

                                    Got the same exhaust on mine but with a tyga end can, what jetting are you running?

                                    Irongamer727I Offline
                                    Irongamer727I Offline
                                    Irongamer727
                                    wrote on last edited by
                                    #55

                                    @dtr-nsr hehe not changed yet. I have 137 and 140 at home. Somewhere there I guess. That's what Romeu recommended. What are you running?

                                    1 Reply Last reply
                                    0
                                    • D Offline
                                      D Offline
                                      DTR+NSR
                                      wrote on last edited by
                                      #56

                                      I've found the jet upgrade kit dellorto sells, works well with the later barrel like yours will have. 138 main, 65 power and 42 idle jet.

                                      Irongamer727I 1 Reply Last reply
                                      0
                                      • D DTR+NSR

                                        I've found the jet upgrade kit dellorto sells, works well with the later barrel like yours will have. 138 main, 65 power and 42 idle jet.

                                        Irongamer727I Offline
                                        Irongamer727I Offline
                                        Irongamer727
                                        wrote on last edited by
                                        #57

                                        @dtr-nsr Alright. She's running mint on idle, just fitted a 140 main. Let's see how she goes.

                                        1 Reply Last reply
                                        0
                                        • Irongamer727I Offline
                                          Irongamer727I Offline
                                          Irongamer727
                                          wrote on last edited by
                                          #58

                                          Really, it's not even funny how easy it is to start.

                                          1 Reply Last reply
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