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DT125R FORUM

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  3. Bike died load bang have compression but won't start

Bike died load bang have compression but won't start

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  • RandallR Randall

    @Calum was pulling up a steep hill after bike was warm then she started to struggle in 5th pulled over in a garage turned her off and has a check for oil water and check the temp gage which were all fine... carried on for another 3 or so miles and as I was comming off a slip road and went down through the gear the bike completely cut out and wouldn't start I have compression I have fuel and 2t tank is full ... when I tried to kick her over again it backfired so I decided to just push her

    declanD Offline
    declanD Offline
    declan
    wrote on last edited by declan
    #7

    @jamesrandall93 I’d like to bet a fouled plug the bikes act weird before the plug goes either that or the carb is a miss, but that description is pretty vague like Calum said, was it raining or wet? When you say you felt like 5th had gone how so? Was the bike easy to start back up after the garage stop?

    RandallR 1 Reply Last reply
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    • declanD declan

      @jamesrandall93 I’d like to bet a fouled plug the bikes act weird before the plug goes either that or the carb is a miss, but that description is pretty vague like Calum said, was it raining or wet? When you say you felt like 5th had gone how so? Was the bike easy to start back up after the garage stop?

      RandallR Offline
      RandallR Offline
      Randall
      wrote on last edited by
      #8

      @declan Started first kick at the garage stop carried on a died was pulling back.through the gears and acting biggy not a fouled plug as it's in a bike shop not im guessing electrical but nowing my luck top ends gone

      declanD NINJAN 2 Replies Last reply
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      • RandallR Randall

        @declan Started first kick at the garage stop carried on a died was pulling back.through the gears and acting biggy not a fouled plug as it's in a bike shop not im guessing electrical but nowing my luck top ends gone

        declanD Offline
        declanD Offline
        declan
        wrote on last edited by
        #9

        @jamesrandall93 nah I bet it’s something silly its certainly is strange though fingers crossed for you

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        • RandallR Randall

          @declan Started first kick at the garage stop carried on a died was pulling back.through the gears and acting biggy not a fouled plug as it's in a bike shop not im guessing electrical but nowing my luck top ends gone

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

          @jamesrandall93 I would check all of the wiring and electrical connectors. If there is any corrosion on any of them, then give em a good clean and apply a blob of vaseline to stop em rusting in the future. If something is not earthed or shorting out that would give you problems for-sure. πŸ˜‰

          SEDUCED BY THE DARK SIDE!!!

          RandallR 1 Reply Last reply
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          • NINJAN NINJA

            @jamesrandall93 I would check all of the wiring and electrical connectors. If there is any corrosion on any of them, then give em a good clean and apply a blob of vaseline to stop em rusting in the future. If something is not earthed or shorting out that would give you problems for-sure. πŸ˜‰

            RandallR Offline
            RandallR Offline
            Randall
            wrote on last edited by
            #11

            @NINJA I really hope so mate right on top of christamas was not ideal I shal let you a no as soon as I've spoken to the bike shop and.give you all abit more insight so if you have the same symptoms you don't panic like I have

            RandallR 1 Reply Last reply
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            • RandallR Randall

              @NINJA I really hope so mate right on top of christamas was not ideal I shal let you a no as soon as I've spoken to the bike shop and.give you all abit more insight so if you have the same symptoms you don't panic like I have

              RandallR Offline
              RandallR Offline
              Randall
              wrote on last edited by
              #12

              @jamesrandall93 top end went bottom end is fine... scored the barrel lucky enough it never seized

              declanD NINJAN 2 Replies Last reply
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              • RandallR Randall

                @jamesrandall93 top end went bottom end is fine... scored the barrel lucky enough it never seized

                declanD Offline
                declanD Offline
                declan
                wrote on last edited by
                #13

                @jamesrandall93 crazy, pretty cheap fix atleast

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                • RandallR Randall

                  @jamesrandall93 top end went bottom end is fine... scored the barrel lucky enough it never seized

                  NINJAN Offline
                  NINJAN Offline
                  NINJA
                  wrote on last edited by
                  #14

                  @jamesrandall93 Well at least you know what the problem is. And a top end rebuild is not to hard a job, you could even fix it yourself if your handy with the spanners??? :winking_face:

                  SEDUCED BY THE DARK SIDE!!!

                  RandallR 1 Reply Last reply
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                  • CalumC Offline
                    CalumC Offline
                    Calum
                    wrote on last edited by
                    #15

                    Definitely check what caused the bike to fail. They don't just fail.

                    If it's lack of maintenance, then I'd be checking that bottom end for tolerances.

                    Always Originate, Never Pirate!

                    D 1 Reply Last reply
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                    • CalumC Calum

                      Definitely check what caused the bike to fail. They don't just fail.

                      If it's lack of maintenance, then I'd be checking that bottom end for tolerances.

                      D Offline
                      D Offline
                      DTR+NSR
                      wrote on last edited by
                      #16

                      Piston rings have a hard life in a 2 stroke travelling over the open ports. I've seen the pins that stop the rings rotating on the piston move, allowing the ring to spin and open end catch on a port. With it being under load at time it failed (going up a steep hill), I wouldn't be surprised if piston expanded due to heat build up and pinched the rings. May have been running on the lean side aswell.

                      1 Reply Last reply
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                      • NINJAN NINJA

                        @jamesrandall93 Well at least you know what the problem is. And a top end rebuild is not to hard a job, you could even fix it yourself if your handy with the spanners??? :winking_face:

                        RandallR Offline
                        RandallR Offline
                        Randall
                        wrote on last edited by
                        #17

                        @NINJA pretty handy but don't really no where to start with 2t as this is my first one ... all I no is that I'm waiting for her to get back 2 me

                        NINJAN 1 Reply Last reply
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                        • RandallR Randall

                          @NINJA pretty handy but don't really no where to start with 2t as this is my first one ... all I no is that I'm waiting for her to get back 2 me

                          NINJAN Offline
                          NINJAN Offline
                          NINJA
                          wrote on last edited by
                          #18

                          @jamesrandall93 Get a Haynes manual dude, there worth their weight in gold!!! πŸ˜‰

                          SEDUCED BY THE DARK SIDE!!!

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