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DT125R FORUM

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  3. Power valve issue

Power valve issue

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  • CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #15

    Odd that it'll do the cleaning cycle fine but not run right.

    I'd be more inclined to say faulty CDI more than anything. I guess these bikes are just starting to show their age.

    Always Originate, Never Pirate!

    T 1 Reply Last reply
    0
    • CalumC Calum

      Odd that it'll do the cleaning cycle fine but not run right.

      I'd be more inclined to say faulty CDI more than anything. I guess these bikes are just starting to show their age.

      T Offline
      T Offline
      thechompster
      wrote on last edited by
      #16

      @calum yeah I guess they are.apart from that it runs lovely. Will change the servo. If that doesn't do it just the cdi left I guess.

      1 Reply Last reply
      0
      • J Offline
        J Offline
        Jens Eskildsen
        wrote on last edited by
        #17

        A friend had a faulty servo, sometime during a ride where the PV was open, it would leave it open. Other times just seem erratic. I believe the gears in the servo was toast.

        T 1 Reply Last reply
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        • J Jens Eskildsen

          A friend had a faulty servo, sometime during a ride where the PV was open, it would leave it open. Other times just seem erratic. I believe the gears in the servo was toast.

          T Offline
          T Offline
          thechompster
          wrote on last edited by
          #18

          @jens-eskildsen ok thanks mate. Very helpfull
          Will try another servo then and see what happens.

          M 1 Reply Last reply
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          • T thechompster

            @jens-eskildsen ok thanks mate. Very helpfull
            Will try another servo then and see what happens.

            M Offline
            M Offline
            Mitch_350z
            wrote on last edited by
            #19

            @thechompster just out of interest, what spark plug are you running??

            T 1 Reply Last reply
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            • M Mitch_350z

              @thechompster just out of interest, what spark plug are you running??

              T Offline
              T Offline
              thechompster
              wrote on last edited by
              #20

              @mitch_350z iridium spark plug

              M 1 Reply Last reply
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              • T thechompster

                @mitch_350z iridium spark plug

                M Offline
                M Offline
                Mitch_350z
                wrote on last edited by
                #21

                @thechompster does it have the resistor in it the 'r' in the spark plug type as this can cause issues with the operation of the valve

                T 1 Reply Last reply
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                • CalumC Offline
                  CalumC Offline
                  Calum
                  wrote on last edited by
                  #22

                  I've always ran br9eix on my bikes with no isses.

                  I think that's the one at least.

                  Always Originate, Never Pirate!

                  1 Reply Last reply
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                  • M Mitch_350z

                    @thechompster does it have the resistor in it the 'r' in the spark plug type as this can cause issues with the operation of the valve

                    T Offline
                    T Offline
                    thechompster
                    wrote on last edited by thechompster
                    #23

                    @mitch_350z the one below. Br9eix.

                    M 1 Reply Last reply
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                    • Irongamer727I Offline
                      Irongamer727I Offline
                      Irongamer727
                      wrote on last edited by
                      #24

                      Me too, br9eix

                      1 Reply Last reply
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                      • T thechompster

                        @mitch_350z the one below. Br9eix.

                        M Offline
                        M Offline
                        Mitch_350z
                        wrote on last edited by
                        #25

                        @thechompster my mistake, I meant without the 'r' lol if it hasn't got the resistor in it the valve finds a mind of its own. You can hear the exhaust note change as you ride

                        T 1 Reply Last reply
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                        • M Mitch_350z

                          @thechompster my mistake, I meant without the 'r' lol if it hasn't got the resistor in it the valve finds a mind of its own. You can hear the exhaust note change as you ride

                          T Offline
                          T Offline
                          thechompster
                          wrote on last edited by
                          #26

                          @mitch_350z I see. Where is the resister?

                          declanD 1 Reply Last reply
                          0
                          • T thechompster

                            @mitch_350z I see. Where is the resister?

                            declanD Offline
                            declanD Offline
                            declan
                            wrote on last edited by
                            #27

                            @thechompster I believe it’s built into the core of the plug

                            M 1 Reply Last reply
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                            • declanD declan

                              @thechompster I believe it’s built into the core of the plug

                              M Offline
                              M Offline
                              Mitch_350z
                              wrote on last edited by
                              #28

                              @declan yeah it is

                              1 Reply Last reply
                              0
                              • T Offline
                                T Offline
                                thechompster
                                wrote on last edited by
                                #29

                                I guess it's ok as it ran great with the power valve working spot on for a few weeks. Just got a cdi off eBay and a servo so will try the cdi first and see if it fixes it.

                                1 Reply Last reply
                                0
                                • T Offline
                                  T Offline
                                  thechompster
                                  wrote on last edited by
                                  #30

                                  Problem solved. It was the cdi unit. Changed that and it runs like a dream. Thought I'd let everyone know as sometimes people get it fixed and you never hear the outcome πŸ™‚

                                  CalumC 1 Reply Last reply
                                  3
                                  • T thechompster

                                    Problem solved. It was the cdi unit. Changed that and it runs like a dream. Thought I'd let everyone know as sometimes people get it fixed and you never hear the outcome πŸ™‚

                                    CalumC Offline
                                    CalumC Offline
                                    Calum
                                    wrote on last edited by Calum
                                    #31

                                    @thechompster Glad you got it working bud, as I said previously, I guess these bikes are just getting to that age now unfortunately.

                                    Always Originate, Never Pirate!

                                    T 1 Reply Last reply
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                                    • CalumC Calum

                                      @thechompster Glad you got it working bud, as I said previously, I guess these bikes are just getting to that age now unfortunately.

                                      T Offline
                                      T Offline
                                      thechompster
                                      wrote on last edited by
                                      #32

                                      @calum thanks. Yeah sad really. Won't be many around after another 10 years.

                                      CalumC 1 Reply Last reply
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                                      • T thechompster

                                        @calum thanks. Yeah sad really. Won't be many around after another 10 years.

                                        CalumC Offline
                                        CalumC Offline
                                        Calum
                                        wrote on last edited by
                                        #33

                                        @thechompster Zeeltronic make ignitions for these bikes so there is an aftermarket solution.

                                        Always Originate, Never Pirate!

                                        T 1 Reply Last reply
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                                        • CalumC Calum

                                          @thechompster Zeeltronic make ignitions for these bikes so there is an aftermarket solution.

                                          T Offline
                                          T Offline
                                          thechompster
                                          wrote on last edited by
                                          #34

                                          @calum that's good. Glad someone does πŸ™‚

                                          CalumC 1 Reply Last reply
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