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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

    Hi my am6 is running decent but it doesent like to tick over on it’s own and it’s struggles to climb revs off the line but if the revs are highly it goes fast the main should be about right the a/f don’t do much the needle helps a little bit I’ve run out of notches for lean it kinda seems rich in the low throttle

    declanD Offline
    declanD Offline
    declan
    wrote on last edited by
    #2

    @declan to get it to tick over on it’s own I have to pull the vacuum pipe off I have 2 inlets for oil delivery

    1 Reply Last reply
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    • Irongamer727I Offline
      Irongamer727I Offline
      Irongamer727
      wrote on last edited by
      #3

      You run it tuned? What carb?

      declanD 1 Reply Last reply
      0
      • J Offline
        J Offline
        Jens Eskildsen
        wrote on last edited by
        #4

        The idlejet is always flowing, so although its small, it will provide fuel over the entire rev range, but it will mean less and less for overall performance as the rpms rise.

        declanD 1 Reply Last reply
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        • Irongamer727I Irongamer727

          You run it tuned? What carb?

          declanD Offline
          declanD Offline
          declan
          wrote on last edited by
          #5

          @irongamer727 17.5 phb if I recall it’s not genuine I took the geuniune off this one is naraku

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          • J Jens Eskildsen

            The idlejet is always flowing, so although its small, it will provide fuel over the entire rev range, but it will mean less and less for overall performance as the rpms rise.

            declanD Offline
            declanD Offline
            declan
            wrote on last edited by
            #6

            @jens-eskildsen so maybe ill try the idle jet out of my stock carb

            Irongamer727I 1 Reply Last reply
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            • declanD declan

              @jens-eskildsen so maybe ill try the idle jet out of my stock carb

              Irongamer727I Offline
              Irongamer727I Offline
              Irongamer727
              wrote on last edited by
              #7

              @declan stock 50cc with different exhaust?
              I doubt you will have to mess with the pilot jets. Put the stock jet in, make sure the reeds are okey and only bother with the main jets and possibly the needle.

              declanD 1 Reply Last reply
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              • Irongamer727I Irongamer727

                @declan stock 50cc with different exhaust?
                I doubt you will have to mess with the pilot jets. Put the stock jet in, make sure the reeds are okey and only bother with the main jets and possibly the needle.

                declanD Offline
                declanD Offline
                declan
                wrote on last edited by
                #8

                @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 1 Reply Last reply
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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
                          1
                          • 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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