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DT125R FORUM

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  3. Does a rich pilot effect riding

Does a rich pilot effect riding

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  • declanD declan

    @irongamer727 just discovered my pilot is a 50 supposed to be a 38 factory must of fitted the wrong jet it’s not a stock bike it’s got a fresh 70cc kit

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

    @declan also the genuine jets are different so I’ll have to see if the seller will dock me a jet or I’ll just buy one since there pennies 50 is a big jump right?

    Irongamer727I 1 Reply Last reply
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    • declanD declan

      @declan also the genuine jets are different so I’ll have to see if the seller will dock me a jet or I’ll just buy one since there pennies 50 is a big jump right?

      Irongamer727I Offline
      Irongamer727I Offline
      Irongamer727
      wrote on last edited by
      #10

      @declan could be, different manufacturers use different scales. I would change to stock. What is the big issue? Isn't it running well?

      declanD 1 Reply Last reply
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      • Irongamer727I Irongamer727

        @declan could be, different manufacturers use different scales. I would change to stock. What is the big issue? Isn't it running well?

        declanD Offline
        declanD Offline
        declan
        wrote on last edited by
        #11

        @irongamer727 I can tell it’s running rich struggles to rev cleanly mainly from no revs to about quarter it splioges oil out the rail pipe and develops a littl splutter when coming off the gas and also struggles for Lower down power

        Irongamer727I 1 Reply Last reply
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        • declanD declan

          @irongamer727 I can tell it’s running rich struggles to rev cleanly mainly from no revs to about quarter it splioges oil out the rail pipe and develops a littl splutter when coming off the gas and also struggles for Lower down power

          Irongamer727I Offline
          Irongamer727I Offline
          Irongamer727
          wrote on last edited by
          #12

          @declan allright, I think a smaller jet will suffice.

          declanD 1 Reply Last reply
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          • Irongamer727I Irongamer727

            @declan allright, I think a smaller jet will suffice.

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

            @irongamer727 well the description of the carb says 38 pilot but it has a 50 in mine so I’ll just get a 38 like it should have and it should be good thank you for your time mate

            declanD 1 Reply Last reply
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            • declanD declan

              @irongamer727 well the description of the carb says 38 pilot but it has a 50 in mine so I’ll just get a 38 like it should have and it should be good thank you for your time mate

              declanD Offline
              declanD Offline
              declan
              wrote on last edited by
              #14

              @declan so it turns out the pilot was a38 I was looking at the wrong jet lol so I put the one out of the stock carb which iirc is a 32 and it only runs slightly better to get the power right I have to properly lean the af screw out but if I leave it ticking over it needs the smoke clearing out before it can ride even if I leave it for say 30 seconds I’m starting to wonder if I over mixed my 2 stroke oil

              Irongamer727I 1 Reply Last reply
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              • declanD declan

                @declan so it turns out the pilot was a38 I was looking at the wrong jet lol so I put the one out of the stock carb which iirc is a 32 and it only runs slightly better to get the power right I have to properly lean the af screw out but if I leave it ticking over it needs the smoke clearing out before it can ride even if I leave it for say 30 seconds I’m starting to wonder if I over mixed my 2 stroke oil

                Irongamer727I Offline
                Irongamer727I Offline
                Irongamer727
                wrote on last edited by
                #15

                @declan there's only one way to find out!

                declanD 1 Reply Last reply
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                • Irongamer727I Irongamer727

                  @declan there's only one way to find out!

                  declanD Offline
                  declanD Offline
                  declan
                  wrote on last edited by
                  #16

                  @irongamer727 I guess so 😪 I think I need to find someone that knows jetting tbf to get it spot on

                  Irongamer727I 1 Reply Last reply
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                  • declanD declan

                    @irongamer727 I guess so 😪 I think I need to find someone that knows jetting tbf to get it spot on

                    Irongamer727I Offline
                    Irongamer727I Offline
                    Irongamer727
                    wrote on last edited by
                    #17

                    @declan what 70cc cylinder? No Airsal I hope

                    declanD 1 Reply Last reply
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                    • Irongamer727I Irongamer727

                      @declan what 70cc cylinder? No Airsal I hope

                      declanD Offline
                      declanD Offline
                      declan
                      wrote on last edited by
                      #18

                      @irongamer727 I’m afraid your not gonna like this it’s a 50 pound kit off eBay made in Poland 😆

                      Irongamer727I 1 Reply Last reply
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                      • declanD declan

                        @irongamer727 I’m afraid your not gonna like this it’s a 50 pound kit off eBay made in Poland 😆

                        Irongamer727I Offline
                        Irongamer727I Offline
                        Irongamer727
                        wrote on last edited by
                        #19

                        @declan a well, I mean if everything is installed correctly and the reeds etc are fine there shouldn't be a problem jetting it. Have you checked the spark plug? Perhaps it's the culprit?

                        declanD 1 Reply Last reply
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                        • Irongamer727I Irongamer727

                          @declan a well, I mean if everything is installed correctly and the reeds etc are fine there shouldn't be a problem jetting it. Have you checked the spark plug? Perhaps it's the culprit?

                          declanD Offline
                          declanD Offline
                          declan
                          wrote on last edited by
                          #20

                          @irongamer727 I put. A really old rusty plug in it’s yhe only one I had the bike starts first kick if I turn the af screw all the way in the bike dies as it should right?

                          Irongamer727I 1 Reply Last reply
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                          • declanD declan

                            @irongamer727 I put. A really old rusty plug in it’s yhe only one I had the bike starts first kick if I turn the af screw all the way in the bike dies as it should right?

                            Irongamer727I Offline
                            Irongamer727I Offline
                            Irongamer727
                            wrote on last edited by
                            #21

                            @declan make it fair and change to a decent plug. When you turn the screw in you get a richer mixture. (Less air) give the entire carb a good clean.

                            declanD 1 Reply Last reply
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                            • Irongamer727I Irongamer727

                              @declan make it fair and change to a decent plug. When you turn the screw in you get a richer mixture. (Less air) give the entire carb a good clean.

                              declanD Offline
                              declanD Offline
                              declan
                              wrote on last edited by
                              #22

                              @irongamer727 I’ve cleaned it out properly and yes clean plug will be got and fresh fuel tonight so I know I didn’t screw up the premix

                              1 Reply Last reply
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                              • CalumC Offline
                                CalumC Offline
                                Calum
                                wrote on last edited by
                                #23

                                Easiest way to figure out if its over fueling is to stifle the intake, if the problem worsens then you got too much fuel, if it improves then you haven't got enough fuel.

                                Always Originate, Never Pirate!

                                declanD 1 Reply Last reply
                                1
                                • CalumC Calum

                                  Easiest way to figure out if its over fueling is to stifle the intake, if the problem worsens then you got too much fuel, if it improves then you haven't got enough fuel.

                                  declanD Offline
                                  declanD Offline
                                  declan
                                  wrote on last edited by
                                  #24

                                  @calum if I give it an air leak it runs better

                                  CalumC 1 Reply Last reply
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                                  • declanD declan

                                    @calum if I give it an air leak it runs better

                                    CalumC Offline
                                    CalumC Offline
                                    Calum
                                    wrote on last edited by
                                    #25

                                    @declan Yeah and risk the engine detonating or inhaling dirt. So you stifle the intake.

                                    Always Originate, Never Pirate!

                                    declanD 1 Reply Last reply
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                                    • CalumC Calum

                                      @declan Yeah and risk the engine detonating or inhaling dirt. So you stifle the intake.

                                      declanD Offline
                                      declanD Offline
                                      declan
                                      wrote on last edited by
                                      #26

                                      @calum I’ll go finger the airbox 2 minutes

                                      CalumC 1 Reply Last reply
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                                      • declanD declan

                                        @calum I’ll go finger the airbox 2 minutes

                                        CalumC Offline
                                        CalumC Offline
                                        Calum
                                        wrote on last edited by
                                        #27

                                        @declan Usually gaffer tape part of the air box or socvk over a pod filter.

                                        Always Originate, Never Pirate!

                                        declanD 1 Reply Last reply
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                                        • CalumC Calum

                                          @declan Usually gaffer tape part of the air box or socvk over a pod filter.

                                          declanD Offline
                                          declanD Offline
                                          declan
                                          wrote on last edited by
                                          #28

                                          @calum I put a latex Glove over the snorkel it ran ok on idle but smoked loads and wouldn’t rev much it actually replicated the problem but on a worser scale so maybe the stock airbox is too restrictive? You can barely fit your pinky finger in the snorkel

                                          CalumC 1 Reply Last reply
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