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DT125R FORUM

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  4. Jets

Jets

Scheduled Pinned Locked Moved Carburetor
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  • V vtrn_raptor

    Sorting the pv is way to expensive bikes stands me in over £2000 already Lol gunna change the jets and the reeds see if that helps as haven't got the money to fix the pv

    CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #6

    @vtrn_raptor Well you're ignoring the problem then aren't you a little?

    You could end up chucking money on it unnecessarily when all you needed to do was fix the powervalve?

    240 jet on full dep is fine. So unless there are any other mods then I think you probably won't fix the problem just chucking jets at it. Just means you'll be wasting more fuel.

    Always Originate, Never Pirate!

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    • V Offline
      V Offline
      vtrn_raptor
      wrote on last edited by
      #7

      I won't to sort it but I don't no what the problem is with the pv I changed the servo and that wasn't the problem and a cdi is £200

      declanD 1 Reply Last reply
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      • V vtrn_raptor

        I won't to sort it but I don't no what the problem is with the pv I changed the servo and that wasn't the problem and a cdi is £200

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

        @vtrn_raptor well surely it's cheaper to fix the pv rather than waiting for it to seize or something

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        • V Offline
          V Offline
          vtrn_raptor
          wrote on last edited by
          #9

          Yeah true

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          • A Offline
            A Offline
            andrewj1680
            wrote on last edited by
            #10

            Cant see pinning the pv would be a issue mine 95 model didnt come with a servo and the pv is pinned wide open on that and its covered 600 miles in the last 3wks with not a single problem

            declanD 1 Reply Last reply
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            • A andrewj1680

              Cant see pinning the pv would be a issue mine 95 model didnt come with a servo and the pv is pinned wide open on that and its covered 600 miles in the last 3wks with not a single problem

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

              @andrewj1680 no maybe it won't but it's designed to have a working powervalve so you can't expect it to run perfect if one piece of the puzzle is missing

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              • A Offline
                A Offline
                andrewj1680
                wrote on last edited by
                #12

                0_1498078902794_20170621_220101.jpg
                Ok so i have a S reg here that ive bought to rebuild the pv as you can see has been pinned it pulls nice and strong every gear to the point it comes off the clock yet i dont have the same issues as above and the only difference is i have a standard front pipe

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                • V Offline
                  V Offline
                  vtrn_raptor
                  wrote on last edited by
                  #13

                  My last one ran perfect with pinned pv to and had a 170 on it this ones only been doing this since I rebuilt it and put a dep on it

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                  • CalumC Offline
                    CalumC Offline
                    Calum
                    wrote on last edited by
                    #14

                    Well it's always to get the bike completely stock before diagnosing problems.

                    Bike is always going to run better with Powervalve

                    Don't see why you wouldn't run one.

                    Always Originate, Never Pirate!

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                    • A Offline
                      A Offline
                      andrewj1680
                      wrote on last edited by
                      #15

                      Totally different bike to ride without, the powervalve hits so much harder when it kicks in, the servo just smoothes out the power delivery i think but definitely prefer it without but each to their own i guess

                      CalumC 1 Reply Last reply
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                      • V Offline
                        V Offline
                        vtrn_raptor
                        wrote on last edited by
                        #16

                        The problem is the exhaust was perfectly fine before I did the rebuild power valve kicks in perfect up to third 4ths sluggish 5-6 no power at all starts to die same thing happens on peds if theirs not enough fuel it won't pull

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                        • A andrewj1680

                          Totally different bike to ride without, the powervalve hits so much harder when it kicks in, the servo just smoothes out the power delivery i think but definitely prefer it without but each to their own i guess

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

                          @andrewj1680 Absolutely mate.

                          No arguments there, it's an absolute riot with the powervalve switched off.

                          But the bike performs much better with the valve.

                          It's why I like old school vtec civics, the ragging factor haha

                          Always Originate, Never Pirate!

                          declanD 1 Reply Last reply
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                          • CalumC Calum

                            @andrewj1680 Absolutely mate.

                            No arguments there, it's an absolute riot with the powervalve switched off.

                            But the bike performs much better with the valve.

                            It's why I like old school vtec civics, the ragging factor haha

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

                            @Calum so is it better with it pinned or what?

                            CalumC 1 Reply Last reply
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                            • declanD declan

                              @Calum so is it better with it pinned or what?

                              CalumC Offline
                              CalumC Offline
                              Calum
                              wrote on last edited by
                              #19

                              @declan More performance with the servo, much more fun with it pinned.

                              Always Originate, Never Pirate!

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                              • J Offline
                                J Offline
                                Jens Eskildsen
                                wrote on last edited by
                                #20

                                The reason it feels better in the top with the PV pinned is because the difference between lowend and topend is bigger. The bike is really sluggish in the low revs.

                                With a prperworking PV, you get the best of both worlds, and going WOT in high revs, theres no part of the PV visible in the exhaust port, so no restriction at all.

                                CalumC 1 Reply Last reply
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                                • J Jens Eskildsen

                                  The reason it feels better in the top with the PV pinned is because the difference between lowend and topend is bigger. The bike is really sluggish in the low revs.

                                  With a prperworking PV, you get the best of both worlds, and going WOT in high revs, theres no part of the PV visible in the exhaust port, so no restriction at all.

                                  CalumC Offline
                                  CalumC Offline
                                  Calum
                                  wrote on last edited by
                                  #21

                                  @Jens-Eskildsen Absolutely, unless you have a DTRE CDI where it closes the port at 10K RPM. But earth the green and black wire behind the clocks and BOOM! Full power. Easiest bike to derestrict. It's like the Japs knew 😄

                                  Always Originate, Never Pirate!

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