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DT125R FORUM

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nsr125 help

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  • CarlosrexxC Offline
    CarlosrexxC Offline
    Carlosrexx
    wrote on last edited by
    #9

    Could be a spark issue too, it sounds asif the spark is being retarded at that point. Could be the cap or the coil breaking down and then working again at high revs! Just a suggestion

    1 Reply Last reply
    0
    • mad73M Offline
      mad73M Offline
      mad73
      wrote on last edited by
      #10

      ok had a little play today , carb clean everything looks right , checked to see if the plug is sparking ok and it looks a little strange to me when I hold the plug against the head nut no spark until I lift it off a little and it sparks between the plug and nut ( orange ) but looks to have a blue spark in the plug gap is this right as ive only ever seen a blue spark in the plug gap , is this a coil problem ? cap or lead ?

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      • mad73M Offline
        mad73M Offline
        mad73
        wrote on last edited by
        #11

        ok bought a new coil and iridium plug to see if this sorts the problem out will fit tomorrow if I get home in time from work , this might sound like a silly question but how do u fit the cap to the lead do u just push it on , never fitted a new cap and lead b4

        ConnorDTRC 1 Reply Last reply
        0
        • mad73M mad73

          ok bought a new coil and iridium plug to see if this sorts the problem out will fit tomorrow if I get home in time from work , this might sound like a silly question but how do u fit the cap to the lead do u just push it on , never fitted a new cap and lead b4

          ConnorDTRC Offline
          ConnorDTRC Offline
          ConnorDTR
          wrote on last edited by
          #12

          @mad73 The cap screws onto the lead, quite odd to me at first as i had never done one. But when you see it you'll understand

          1 Reply Last reply
          0
          • mad73M Offline
            mad73M Offline
            mad73
            wrote on last edited by
            #13

            changed the cap plug and lead and started straight away thank f'@=k just needs mot now , took for a quick spin up the road all seems fine cant really test properly as needs running in , QUESTION its running a kph to mph converter does this mean the trip meter will show miles or will it still run up in kilometers and what sort of mileage or kilometers should u run new piston and rings in I was thinking about 150 miles ?
            thanks for every ones advice hopefully soon have a dt and can pick every ones brains some more also once I dig my yzf out the garage il stick some pics up of that project as well

            1 Reply Last reply
            0
            • mad73M Offline
              mad73M Offline
              mad73
              wrote on last edited by
              #14

              how do I stick a pic up copy and paste don't work

              CalumC 1 Reply Last reply
              0
              • mad73M mad73

                how do I stick a pic up copy and paste don't work

                CalumC Offline
                CalumC Offline
                Calum
                wrote on last edited by
                #15

                @mad73

                https://www.dt125r.co.uk/topic/5/embedding-images

                I wrote this up there.

                Always Originate, Never Pirate!

                1 Reply Last reply
                0
                • mad73M Offline
                  mad73M Offline
                  mad73
                  wrote on last edited by
                  #16

                  does the pic need to be on photobucket or something can I not get them out of my pics on the laptop ?

                  CalumC 1 Reply Last reply
                  0
                  • mad73M mad73

                    does the pic need to be on photobucket or something can I not get them out of my pics on the laptop ?

                    CalumC Offline
                    CalumC Offline
                    Calum
                    wrote on last edited by
                    #17

                    @mad73 Correct. You need to upload them to Photobucket.

                    This forum can host its own photos. I could enable the forum so that we could upload photos to it.

                    Draw back is that this forum is being hosted from my house, on one of these!

                    http://cdn1.alphr.com/sites/alphr/files/6/14/raspberry_pi_b_2_0_0.jpg

                    And I only have a 32Gb SD card for it.

                    SD cards are notourious for failing. I back the forum up to my HDD every week. But when it fails, we are going to lose a weeks worth of posts 😞

                    Sorry but the forum isn't busy enough to warrant paying hosting company.

                    Always Originate, Never Pirate!

                    1 Reply Last reply
                    0
                    • mad73M Offline
                      mad73M Offline
                      mad73
                      wrote on last edited by
                      #18

                      no probs I understand , I have a photobucket account any way so I just put them on there then put on here
                      thanks

                      1 Reply Last reply
                      0
                      • mad73M Offline
                        mad73M Offline
                        mad73
                        wrote on last edited by
                        #19
                        This post is deleted!
                        1 Reply Last reply
                        0
                        • mad73M Offline
                          mad73M Offline
                          mad73
                          wrote on last edited by Calum
                          #20

                          http://i286.photobucket.com/albums/ll115/mad73_2008/ngy_zps3azqdfmn.jpg

                          1 Reply Last reply
                          0
                          • mad73M Offline
                            mad73M Offline
                            mad73
                            wrote on last edited by
                            #21

                            not sure wot happened with the pic but the link works
                            do have side fairings wont put them on till I no he aint gona drop it

                            CalumC 1 Reply Last reply
                            0
                            • mad73M mad73

                              not sure wot happened with the pic but the link works
                              do have side fairings wont put them on till I no he aint gona drop it

                              CalumC Offline
                              CalumC Offline
                              Calum
                              wrote on last edited by
                              #22

                              @mad73 said:

                              not sure wot happened with the pic but the link works
                              do have side fairings wont put them on till I no he aint gona drop it

                              Please read:

                              http://192.168.0.2/topic/5/embedding-images

                              If you're still having problems open up another thread.

                              Always Originate, Never Pirate!

                              1 Reply Last reply
                              0
                              • mad73M Offline
                                mad73M Offline
                                mad73
                                wrote on last edited by
                                #23

                                read it, think ive got it now will open a new thread and see if I can get it right lol

                                CalumC 1 Reply Last reply
                                0
                                • mad73M mad73

                                  read it, think ive got it now will open a new thread and see if I can get it right lol

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

                                  @mad73 you are not the only one. A lot of people seem confused. Adding tags and what not. The internets moved on since the 90's lol. Just paste the location of the image and node will do the rest.

                                  Always Originate, Never Pirate!

                                  1 Reply Last reply
                                  0
                                  • mad73M Offline
                                    mad73M Offline
                                    mad73
                                    wrote on last edited by
                                    #25

                                    ok son went out on the nsr the other night and said its not running right so I took it for a spin and its hard to pull away on it its bogging down quite a bit quite dangerous pulling out of junctions but once moving all seems good, also fork sill is leaking which aint much of a prob I changed them a couple of months ago must not of put it in right as the other side is good
                                    any one got any ideas wot to look for with the bogging jets are correct

                                    1 Reply Last reply
                                    0
                                    • CalumC Offline
                                      CalumC Offline
                                      Calum
                                      wrote on last edited by
                                      #26

                                      Sounds like way too much air. Tell me does it sound quite deep when you rev it.

                                      In neutral after its warm, when you blip the throttle does it respond instantly.

                                      Like this numpty here

                                      https://youtu.be/MC5sf4Cx4o4

                                      Says aww 99 octane fuel killed my bike. Uhmm no mate, you can clearly here the snorkel is not in the air box. Clear as day. I don't understand why people remove them lol

                                      Always Originate, Never Pirate!

                                      mad73M 1 Reply Last reply
                                      0
                                      • CarlosrexxC Carlosrexx

                                        I had a 'full power' NSR foxeye j22 j think it was. Although I never had any problems like yours, the powervalve would stop working all the time and would retard the engine. Sounds similar to what you're experiencing, I just ended up pinning the valve wide open and it never gave me an issue again.

                                        I'm not saying this is your solution, but it would be something I would take a look at regarding the running issues. With regards to PSI and compression, definitely check everything is bolted down to correct torque settings. Double check everything, make sure the carb is installed tight, no air leaks, proper float movement and clear jets. I know it's all simple stuff but sometimes stuff gets overlooked and it's the simplest thing that's stopping the bike from working.

                                        http://i1227.photobucket.com/albums/ee433/RV02-Sachs/NSR 125/ADA2BEBF-043A-46C8-9B71-7A61B3F637ED.jpg

                                        mad73M Offline
                                        mad73M Offline
                                        mad73
                                        wrote on last edited by
                                        #27

                                        @Carlosrexx said:

                                        I had a 'full power' NSR foxeye j22 j think it was. Although I never had any problems like yours, the powervalve would stop working all the time and would retard the engine. Sounds similar to what you're experiencing, I just ended up pinning the valve wide open and it never gave me an issue again.

                                        I'm not saying this is your solution, but it would be something I would take a look at regarding the running issues. With regards to PSI and compression, definitely check everything is bolted down to correct torque settings. Double check everything, make sure the carb is installed tight, no air leaks, proper float movement and clear jets. I know it's all simple stuff but sometimes stuff gets overlooked and it's the simplest thing that's stopping the bike from working.

                                        http://i1227.photobucket.com/albums/ee433/RV02-Sachs/NSR 125/ADA2BEBF-043A-46C8-9B71-7A61B3F637ED.jpg

                                        how would I pin open the power valve ? might try this

                                        CalumC 1 Reply Last reply
                                        0
                                        • mad73M mad73

                                          @Carlosrexx said:

                                          I had a 'full power' NSR foxeye j22 j think it was. Although I never had any problems like yours, the powervalve would stop working all the time and would retard the engine. Sounds similar to what you're experiencing, I just ended up pinning the valve wide open and it never gave me an issue again.

                                          I'm not saying this is your solution, but it would be something I would take a look at regarding the running issues. With regards to PSI and compression, definitely check everything is bolted down to correct torque settings. Double check everything, make sure the carb is installed tight, no air leaks, proper float movement and clear jets. I know it's all simple stuff but sometimes stuff gets overlooked and it's the simplest thing that's stopping the bike from working.

                                          http://i1227.photobucket.com/albums/ee433/RV02-Sachs/NSR 125/ADA2BEBF-043A-46C8-9B71-7A61B3F637ED.jpg

                                          how would I pin open the power valve ? might try this

                                          CalumC Offline
                                          CalumC Offline
                                          Calum
                                          wrote on last edited by
                                          #28

                                          @mad73 pining the valve open will make things much worse.

                                          If the bike is derestricted then it will want a fully operational powervalve

                                          Always Originate, Never Pirate!

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