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DT125R FORUM

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  4. Spark plug

Spark plug

Scheduled Pinned Locked Moved Welcome New Owners!
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  • shaunp1912S Offline
    shaunp1912S Offline
    shaunp1912
    wrote on last edited by
    #3

    Sorry not had the bike long it’s a 1990 125 dtr Swiss import. Have tried to up load some photos but no joy.
    Looks like it has not been touched for years. Got a new plug air filter exhaust tyres. Changed the oil and it runs ok very quick up to 60 then dies a death

    NINJAN 1 Reply Last reply
    1
    • shaunp1912S shaunp1912

      Sorry not had the bike long it’s a 1990 125 dtr Swiss import. Have tried to up load some photos but no joy.
      Looks like it has not been touched for years. Got a new plug air filter exhaust tyres. Changed the oil and it runs ok very quick up to 60 then dies a death

      NINJAN Offline
      NINJAN Offline
      NINJA
      wrote on last edited by
      #4

      @shaunp1912 As in the engine cuts out at 60mph or it just tops out and won't go any faster???

      SEDUCED BY THE DARK SIDE!!!

      1 Reply Last reply
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      • shaunp1912S Offline
        shaunp1912S Offline
        shaunp1912
        wrote on last edited by
        #5

        Just tops out, and won’t pull, did have issues when I 1st got it the battery was shot and the power valve didn’t move. But fitted new battery and was a lot better, but worried at the condition of the plug

        NINJAN 1 Reply Last reply
        0
        • shaunp1912S shaunp1912

          Just tops out, and won’t pull, did have issues when I 1st got it the battery was shot and the power valve didn’t move. But fitted new battery and was a lot better, but worried at the condition of the plug

          NINJAN Offline
          NINJAN Offline
          NINJA
          wrote on last edited by
          #6

          @shaunp1912 It sounds like the bike is being restricted, see here on how to remove those restrictions;

          https://dt125r.co.uk/topic/578/derestricting-guide

          SEDUCED BY THE DARK SIDE!!!

          1 Reply Last reply
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          • shaunp1912S Offline
            shaunp1912S Offline
            shaunp1912
            wrote on last edited by
            #7

            ![alt text](image url)[url=https://postimg.cc/bSf5q70s][img]https://i.postimg.cc/prmMJxpY/8-E04586-B-0038-4-ED3-8031-3102-BB56898-F.jpg[/img][/url]

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            • shaunp1912S Offline
              shaunp1912S Offline
              shaunp1912
              wrote on last edited by
              #8

              Cannot see a mixture screw

              NINJAN 2 Replies Last reply
              0
              • shaunp1912S shaunp1912

                Cannot see a mixture screw

                NINJAN Offline
                NINJAN Offline
                NINJA
                wrote on last edited by
                #9

                @shaunp1912 It's the big phillips screw in the center of that picture. 😉

                SEDUCED BY THE DARK SIDE!!!

                1 Reply Last reply
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                • shaunp1912S shaunp1912

                  Cannot see a mixture screw

                  NINJAN Offline
                  NINJAN Offline
                  NINJA
                  wrote on last edited by
                  #10

                  @shaunp1912 Oh and BTW see this also;

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

                  SEDUCED BY THE DARK SIDE!!!

                  1 Reply Last reply
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                  • shaunp1912S Offline
                    shaunp1912S Offline
                    shaunp1912
                    wrote on last edited by
                    #11

                    I thought that was the idle screw. Oh well every days a school day
                    Cheers

                    NINJAN 1 Reply Last reply
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                    • shaunp1912S shaunp1912

                      I thought that was the idle screw. Oh well every days a school day
                      Cheers

                      NINJAN Offline
                      NINJAN Offline
                      NINJA
                      wrote on last edited by NINJA
                      #12

                      @shaunp1912 There's lots of info on here, please use the search engine;

                      See here dude;

                      https://dt125r.co.uk/topic/32/how-to-carburettor-tuning

                      http://www.ngksparkplugs.co.za/technical/technical-spark-plugs/

                      SEDUCED BY THE DARK SIDE!!!

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