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DT125R FORUM

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  4. Dtr 125 1997 Rebuild/Restoration

Dtr 125 1997 Rebuild/Restoration

Scheduled Pinned Locked Moved DTR
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  • Mr ShadiM Mr Shadi

    @HOTSHOT-III Thank you lad. I saw a video on yt about the tz style plastic but the link didnt work and google gave me nothing. Also i ride it as a hobby and mostly smaller tracks bc the bike struggles on bigger tracks, i live in Estonia. And about the suspention i was thinking on the rear shock you gave, but the front. I was thinking on putting heavier oil like w20 and spacers on the springs. As i said my budget isnt that big and most of it is going in to the restoration so i am going to be left with probably 300 to 200 euro for straight upgrades and new parts. I am gonna respond to this in more detail after Christmas. Right now im typing this on my phone and im a bit of a hurry with the Holliday activities.

    S Offline
    S Offline
    SpookDog
    wrote on last edited by SpookDog
    #6

    @Mr-Shadi

    Putting washers or spacers in the forks doesn’t make them harder. It just pre-compresses the springs. Heavier oil will change the dampening, but also won’t make the suspension harder…

    I spent £100 on (progressive) aftermarket springs. They’ve changed the whole feel of the bike for the better. I’m not doing air with it though 🙂 It’s aimed at road use mainly, a lot more stable at speed…

    Mr ShadiM 1 Reply Last reply
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    • S SpookDog

      @Mr-Shadi

      Putting washers or spacers in the forks doesn’t make them harder. It just pre-compresses the springs. Heavier oil will change the dampening, but also won’t make the suspension harder…

      I spent £100 on (progressive) aftermarket springs. They’ve changed the whole feel of the bike for the better. I’m not doing air with it though 🙂 It’s aimed at road use mainly, a lot more stable at speed…

      Mr ShadiM Offline
      Mr ShadiM Offline
      Mr Shadi
      wrote on last edited by
      #7

      @SpookDog i just got new front fork from my uncle. He had a yamaha dt 125 back in the day, but i dont know witch year. il send a pic of them soon. The fork has adjustability settings on top and also bottom. They need a oil change but should be good for replacement front forks.

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      • Mr ShadiM Mr Shadi

        @SpookDog i just got new front fork from my uncle. He had a yamaha dt 125 back in the day, but i dont know witch year. il send a pic of them soon. The fork has adjustability settings on top and also bottom. They need a oil change but should be good for replacement front forks.

        S Offline
        S Offline
        SpookDog
        wrote on last edited by
        #8

        @Mr-Shadi

        Adjustable at bottom?…

        Mr ShadiM 1 Reply Last reply
        1
        • S SpookDog

          @Mr-Shadi

          Adjustable at bottom?…

          Mr ShadiM Offline
          Mr ShadiM Offline
          Mr Shadi
          wrote on last edited by
          #9

          @SpookDog uncle said that he think its adjustable at the bottom. Actually its the screw to let oil out.

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          • Mr ShadiM Mr Shadi

            @SpookDog uncle said that he think its adjustable at the bottom. Actually its the screw to let oil out.

            S Offline
            S Offline
            SpookDog
            wrote on last edited by SpookDog
            #10

            @Mr-Shadi

            Makes sense! It sounds like you may have dt200r forks? I think they had adjustable damping at the top, or maybe a valve to gas up the shocks…
            Hopefully it’s not just a pre-load adjuster…

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            • Mr ShadiM Offline
              Mr ShadiM Offline
              Mr Shadi
              wrote on last edited by
              #11

              Well i sadly need to do this restoration later in the authum. My friend whos warm garage i would be using backed out and nobody else i know has room so i need to wait till its warmer.

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              • CalumC Offline
                CalumC Offline
                Calum
                wrote on last edited by
                #12

                Well, that's no excuse. Look at what @SpookDog has achieved out in the exposed elements. In the brevity of dry spells he's out there smashing a restoration!

                Anything is possible.

                That said, unless it really needs it, you'd probably get away with just waiting.

                Always Originate, Never Pirate!

                Mr ShadiM 1 Reply Last reply
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                • CalumC Calum

                  Well, that's no excuse. Look at what @SpookDog has achieved out in the exposed elements. In the brevity of dry spells he's out there smashing a restoration!

                  Anything is possible.

                  That said, unless it really needs it, you'd probably get away with just waiting.

                  Mr ShadiM Offline
                  Mr ShadiM Offline
                  Mr Shadi
                  wrote on last edited by
                  #13

                  @Calum its -25C where i am at if you have some advice how i can paint -25c weather please tell me.

                  S 1 Reply Last reply
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                  • Mr ShadiM Mr Shadi

                    @Calum its -25C where i am at if you have some advice how i can paint -25c weather please tell me.

                    S Offline
                    S Offline
                    SpookDog
                    wrote on last edited by
                    #14

                    @Mr-Shadi

                    Quickly?! 😜 …

                    I’m sorry but I don’t remember where you are in the world, Eastern Europe?
                    Metal does strange things at those temperatures. You can shatter it like glass if you’re not careful. You can absolutely guarantee that a spanner will slip and you’ll skin your knuckles!…

                    Mr ShadiM 1 Reply Last reply
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                    • S SpookDog

                      @Mr-Shadi

                      Quickly?! 😜 …

                      I’m sorry but I don’t remember where you are in the world, Eastern Europe?
                      Metal does strange things at those temperatures. You can shatter it like glass if you’re not careful. You can absolutely guarantee that a spanner will slip and you’ll skin your knuckles!…

                      Mr ShadiM Offline
                      Mr ShadiM Offline
                      Mr Shadi
                      wrote on last edited by
                      #15

                      @SpookDog the problem is paint wount stick at this temp. And im in estonia, next to finland.

                      S 1 Reply Last reply
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                      • Mr ShadiM Mr Shadi

                        @SpookDog the problem is paint wount stick at this temp. And im in estonia, next to finland.

                        S Offline
                        S Offline
                        SpookDog
                        wrote on last edited by SpookDog
                        #16

                        @Mr-Shadi

                        Yeah, i got that. That was me being funny 🤕 …
                        It’s wet here. Fukin wet…

                        1 Reply Last reply
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                        • Mr ShadiM Offline
                          Mr ShadiM Offline
                          Mr Shadi
                          wrote on last edited by
                          #17

                          Hello again.

                          Ive returned and i will start my build waay to late in to the summer.
                          Ive ordered new parts and id like to know yalls opinions
                          The parts:
                          Full Athena exhaust,
                          piston,
                          turn signals,
                          Plastics,
                          Pwk 36 carburetor,
                          Athena gaskets,
                          Bearings and bushings,
                          And a little paint.

                          Im planning to go full black on the plastics and put dark blue decals on them, also im going to paint the frame yamaha 403 dark blue.

                          Ive already upgraded my front suspention with dt 125 1980-1990 sumting motocross springs, heavier oil 15w, and put the stock spacer in my right fork. For the rear ive maxed out the shock and it rides lika dream even without the new parts yet.

                          The engine is in pretty good condition, all the gears are good but ive noticed that some bearings need to be replaced. I am very suprised that my crank is still good and not rattling beacuse ive used the bike for enduro/motocross/road usage. But my 3mb00 cylinder has a mirror finish and with my old piston has 75 psi but it still ripps and keeps up with a 2017 ktm sx 125 on full gas. Im sending the cylinder to my local shop to get it honed, then il run it with my old puston till the new parts arrive.

                          On the electrical side, everything is in meh condition. I need to rewire some parts and make some adjustments so i can put on my new turn signals. The biggest problem tha i have is that my derestrictor switch dosent work on the first try, i need to switch it for 30 seconds or so that it derestricts it and i have been thinking of putting somekind of a toggelable repeater on it so i dont have to mess with it, but i havent decided.

                          About the frame. It has some rust and dabage but mostly its all good, as a said before im thinking of spraying it with yamaha 403 dark blue paint, other than that im going to replace my swingarm bushings tomorrow, beacuse they are shot and rusted as hell.

                          For the drivetrain i bought a 15/51 sprokets so i can cruise at 90km/h in about 6000rpm and the top speed should be around 135km/h according to gearingcommander website.

                          Lastly i would like to ask, is there a way that i could increase my revs to about 11k rpm? Right now it maxxes at like 9.5k and dosent sound the best.

                          All the feedback is greatly appreciated.

                          1 Reply Last reply
                          1
                          • CalumC Offline
                            CalumC Offline
                            Calum
                            wrote on last edited by
                            #18

                            Get yourself a Zeeltronic and it'll rev to the moon!

                            Always Originate, Never Pirate!

                            Mr ShadiM 1 Reply Last reply
                            0
                            • CalumC Calum

                              Get yourself a Zeeltronic and it'll rev to the moon!

                              Mr ShadiM Offline
                              Mr ShadiM Offline
                              Mr Shadi
                              wrote on last edited by
                              #19

                              @Calum i am thinking on ignitech programmable cdi. Its about 200 euro and one of my friends used that. Is zeeltronic a little better than that? Comparably they to pretty much the same thing and can be programmed similarly, but zeeltronic is just more expensive.

                              1 Reply Last reply
                              0
                              • CalumC Offline
                                CalumC Offline
                                Calum
                                wrote on last edited by
                                #20

                                I've only used Zeeltronics on all my bikes and they've been great. I'll be picking another one up for my new project in the years to come.

                                I've heard good things about the Ignitech system @Darty swears by them.

                                Always Originate, Never Pirate!

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