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DT125R FORUM

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Hi people

Scheduled Pinned Locked Moved Welcome New Owners!
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  • DartyD Darty

    Cool bikes, they are a bit enigmatic.

    Provided the crankcases are original ones, you will find a Model code followed by the Engine number stamped on a flat face along the centre line, adjacent to the carburettor.

    Believe Belgarda's were 3SH-1 or 3XE-2? - Model types and it was the 3XE that came with 3spokes I believe.. not sure on these.

    The cylinder might not be conclusive if it's a just a 3MB-00 or 4FL- it's been changed.

    Credit to Scrim, he knows things

    ****The 3 4DL TZR,s the 4DL1 2 & 3 the 3 being the RR all use different cylinders, the 4DL1 uses the "P" cylinder part number 3SH
    -E1311-00-00 the 2 uses "P" cylinder 4DL-WE311-10-00 the 3 the RR uses 3SH-E1311-00-00.

    The TDRR,s 3SH1 & 3XE2 spoke wheel and alloy wheel both use the "P" cylinder 3SH-E1311-00-00 the same as the RR TZR, as for the carbs the TDR,s both use 28 mm Dellorto with DT125R airbox and one off inlet and airbox to carb rubbers.

    The powervalves have no markings as they are matched one offs to the cylinder exhaust ports running with pre 96 spec full power cdi units

    "All the Italian bikes are full power version even the standard DT125R was 21 bhp, the Double R,s with 3SH "P" cylinders make way more than the standard bikes but ive yet to find a conclusive power output. What I can say is the RR TDR that I used to have was way faster than a DT125R.****

    MightymanM Offline
    MightymanM Offline
    Mightyman
    wrote on last edited by
    #9

    @Darty Silly me I was talking about just the cylinder numbers..

    TDR 125 - 2001

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    • T Offline
      T Offline
      tdr125
      wrote on last edited by
      #10

      I will have a look at the engine tomorrow for the letters. The bike was first registered here in 2005 and the first mot registered with the dvla was in 2011 and has been motd every year since. It's first mot here in 2011 shown there was only 18000 K on the clock and it's now sitting at 24000 K so bike hasn't been used that much in the last 5 years. How much do you reckon the bike is worth? I only paid £750 for it two weeks ago with full years mot. It's not 100% needs paint touched up, left indicators fixed and electric start plays up but it has kick start

      DartyD MightymanM 2 Replies Last reply
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      • T tdr125

        I will have a look at the engine tomorrow for the letters. The bike was first registered here in 2005 and the first mot registered with the dvla was in 2011 and has been motd every year since. It's first mot here in 2011 shown there was only 18000 K on the clock and it's now sitting at 24000 K so bike hasn't been used that much in the last 5 years. How much do you reckon the bike is worth? I only paid £750 for it two weeks ago with full years mot. It's not 100% needs paint touched up, left indicators fixed and electric start plays up but it has kick start

        DartyD Offline
        DartyD Offline
        Darty
        wrote on last edited by Darty
        #11

        @tdr125

        Saw a really nice 3SH French One go for £1550, it was very original, low mileage.

        It's hard to say what it's worth, but £1100-1250ish seems about there with touch ups in a sound condition.

        Keep it real

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        • T tdr125

          I will have a look at the engine tomorrow for the letters. The bike was first registered here in 2005 and the first mot registered with the dvla was in 2011 and has been motd every year since. It's first mot here in 2011 shown there was only 18000 K on the clock and it's now sitting at 24000 K so bike hasn't been used that much in the last 5 years. How much do you reckon the bike is worth? I only paid £750 for it two weeks ago with full years mot. It's not 100% needs paint touched up, left indicators fixed and electric start plays up but it has kick start

          MightymanM Offline
          MightymanM Offline
          Mightyman
          wrote on last edited by
          #12

          @tdr125 Electric start is definitely something that is worth fixing if your planning on selling it on. Shouldn't be anything more than the motor itself which aren't too bad price wise, if you can find one.

          TDR 125 - 2001

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          • T Offline
            T Offline
            tdr125
            wrote on last edited by
            #13

            That price is fine with me. Yeah it just clicks when you push the button. Battery is fully charged. How do I go about taking it off the engine. Do have have to take it off from behind the fly wheel cover.

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            • MightymanM Offline
              MightymanM Offline
              Mightyman
              wrote on last edited by
              #14

              Yeah to access the three bolts, I'm pretty sure you have remove the flywheel cover and the flywheel itself so bit of a pain.

              TDR 125 - 2001

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              • T Offline
                T Offline
                tdr125
                wrote on last edited by
                #15

                Ok thanks for the help mate. I will look at it tomorrow. Hopefully it can be fixed as there is only 1 on eBay and they asking £170 for it

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                • MightymanM Offline
                  MightymanM Offline
                  Mightyman
                  wrote on last edited by
                  #16

                  Yeah they go for silly prices on eBay as there is so few about. You want to find somebody breaking a DT to get one a lot cheaper. Try the DT FB pages as there is usually one or two people breaking bikes on there. There are also a few bikes that share the same starter motor and are a lot more common. Can't recall what bikes exactly. I think I bought mine from somebody breaking a Derbi.

                  TDR 125 - 2001

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

                    In terms of what starter motor you can use.

                    You have a lot to chose from. From the tzr, dtre and tdr to even starter motors from completely different bikes. Derbi gpr 125 sachs 125 and possibly ktm lc2 . They all ran dtr engines. The starter motor simply clips onto the relay so there shouldn't be any plugs that need swapping.

                    Always Originate, Never Pirate!

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                    • Y Offline
                      Y Offline
                      yammad
                      wrote on last edited by
                      #18

                      You could have it refurbed maybe ? Just a thought

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                      • MightymanM Offline
                        MightymanM Offline
                        Mightyman
                        wrote on last edited by
                        #19

                        My derbi one had a different plug to my TDR so it is possible it will need changing.. But it's very little work either way.

                        TDR 125 - 2001

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