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DT125R FORUM

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  4. So Close!...

So Close!...

Scheduled Pinned Locked Moved DTR
1.1k Posts 26 Posters 207.7k Views
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  • S SpookDog
    16 Jan 2023, 15:51

    @Scootjockey

    Cheers bud, it’s definitely breathing better than the Big1 I had on it when I got it. I was going to polish out the welds so it just shines like chrome but it’s grown on me. Place I used to work did a lot of tig welding on stainless and aluminium. The heat marks polishes out quite easily…

    Salt bothers me as well, just doesn’t stop me 😛 …

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    Calum
    wrote on 16 Jan 2023, 18:57 last edited by
    #382

    @SpookDog Polish it!!!!

    Always Originate, Never Pirate!

    S 1 Reply Last reply 16 Jan 2023, 23:00
    0
    • C Calum
      16 Jan 2023, 18:57

      @SpookDog Polish it!!!!

      S Offline
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      Scootjockey
      wrote on 16 Jan 2023, 23:00 last edited by
      #383

      @Calum
      I know what you mean those welds are a work of art that should be in a picture frame !

      S 1 Reply Last reply 19 Jan 2023, 20:20
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      • S Scootjockey
        16 Jan 2023, 23:00

        @Calum
        I know what you mean those welds are a work of art that should be in a picture frame !

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        SpookDog
        wrote on 19 Jan 2023, 20:20 last edited by
        #384

        The welding is nearly as good as the best I’ve seen. 90%+ some of it looks like it was machine welded, and the way the sections flow into each other is sweet. RH has obviously had some practice 🙂
        Polishing it won’t detract from the welds but it will remove the bands of colour. It would make it a uniform silver…

        Quick stupid question that nobody will reply to, but has anyone found a supplier for the metal loop retainer rings that hold the front calliper rubber seal in its place in the groove? I can’t find anything that is thin enough or I wouldn’t ask…

        S 1 Reply Last reply 21 Jan 2023, 17:19
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        • S SpookDog
          19 Jan 2023, 20:20

          The welding is nearly as good as the best I’ve seen. 90%+ some of it looks like it was machine welded, and the way the sections flow into each other is sweet. RH has obviously had some practice 🙂
          Polishing it won’t detract from the welds but it will remove the bands of colour. It would make it a uniform silver…

          Quick stupid question that nobody will reply to, but has anyone found a supplier for the metal loop retainer rings that hold the front calliper rubber seal in its place in the groove? I can’t find anything that is thin enough or I wouldn’t ask…

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          SpookDog
          wrote on 21 Jan 2023, 17:19 last edited by
          #385

          @SpookDog

          Just found loads of fleabay listings that includes the ring with the rubber. Can’t believe that I never saw them before 😐

          M S 2 Replies Last reply 21 Jan 2023, 23:02
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          • S SpookDog
            21 Jan 2023, 17:19

            @SpookDog

            Just found loads of fleabay listings that includes the ring with the rubber. Can’t believe that I never saw them before 😐

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            markus.w
            wrote on 21 Jan 2023, 23:02 last edited by
            #386
            This post is deleted!
            1 Reply Last reply
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            • S SpookDog
              21 Jan 2023, 17:19

              @SpookDog

              Just found loads of fleabay listings that includes the ring with the rubber. Can’t believe that I never saw them before 😐

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              SpookDog
              wrote on 22 Jan 2023, 18:36 last edited by
              #387

              Had to replace the seal on the disc side fork with the old ones I took out! Pyramid parts don’t seem to stand the test of time 😐 Put the spare set of new top & bottom bushes in while I was at it. Gonna have to do the bushes in the other fork to match. The 27mm hex drive makes it so easy to dismantle the forks as long as the Allen bolt hasn’t seized to the aluminium fork bottom…

              I still have a newer set of forks to rebuild with new top& bottom bushes & original seals and progressive springs, but I’m waiting for spring and money to get the new fork bottoms and yokes painted. As well as sourcing the seals for the headstock bearings…

              The RH exhaust is an absolute dream. It’s breathing like an athlete with a beautiful exhaust note. Could be a touch quieter for my taste, but I’m an old git now, not a boy racer 😛 it’s just not worth the ‘pull factor’ for me…

              S 1 Reply Last reply 28 Jan 2023, 20:20
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              • S SpookDog
                22 Jan 2023, 18:36

                Had to replace the seal on the disc side fork with the old ones I took out! Pyramid parts don’t seem to stand the test of time 😐 Put the spare set of new top & bottom bushes in while I was at it. Gonna have to do the bushes in the other fork to match. The 27mm hex drive makes it so easy to dismantle the forks as long as the Allen bolt hasn’t seized to the aluminium fork bottom…

                I still have a newer set of forks to rebuild with new top& bottom bushes & original seals and progressive springs, but I’m waiting for spring and money to get the new fork bottoms and yokes painted. As well as sourcing the seals for the headstock bearings…

                The RH exhaust is an absolute dream. It’s breathing like an athlete with a beautiful exhaust note. Could be a touch quieter for my taste, but I’m an old git now, not a boy racer 😛 it’s just not worth the ‘pull factor’ for me…

                S Offline
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                SpookDog
                wrote on 28 Jan 2023, 20:20 last edited by SpookDog
                #388

                Is there a kind of co~relationship between people who buy DEP exhaust’s and people who fall off? (especially to the right hand side?) 😛 Everyone I seem to see for sale is scraped and dented! I’ve not seen any other second hand dtr exhaust brand that seems to be so similarly afflicted! ☠️

                ~

                ~
                PS Callum!:

                alt text

                I know you don’t really ride your bikes to dirtiness, but any tips on cleaning road filth from off of stainless? 🙂

                I really think I need help cleaning my shit up!….
                You really don’t want to see the underside! 💩 …

                M 1 Reply Last reply 29 Jan 2023, 21:24
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                • S SpookDog
                  28 Jan 2023, 20:20

                  Is there a kind of co~relationship between people who buy DEP exhaust’s and people who fall off? (especially to the right hand side?) 😛 Everyone I seem to see for sale is scraped and dented! I’ve not seen any other second hand dtr exhaust brand that seems to be so similarly afflicted! ☠️

                  ~

                  ~
                  PS Callum!:

                  alt text

                  I know you don’t really ride your bikes to dirtiness, but any tips on cleaning road filth from off of stainless? 🙂

                  I really think I need help cleaning my shit up!….
                  You really don’t want to see the underside! 💩 …

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                  M Offline
                  mhbikesnbits
                  wrote on 29 Jan 2023, 21:24 last edited by
                  #389

                  @SpookDog Would love to hear how them progressive fork springs are not really heard much about peoples experience with them

                  S 1 Reply Last reply 29 Jan 2023, 23:54
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                  • M mhbikesnbits
                    29 Jan 2023, 21:24

                    @SpookDog Would love to hear how them progressive fork springs are not really heard much about peoples experience with them

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                    SpookDog
                    wrote on 29 Jan 2023, 23:54 last edited by
                    #390

                    @mhbikesnbits

                    Hopefully, soon as spring breaks! 🙂
                    Having problems with condensation in the tank from the -0 cold at the moment. I ran it onto reserve on Wednesday night and ended up having to clean the plug and drain the carb bowl about 5-6 times just to get 15 miles, not counting the cut out and roll then bump moments. It’s been down on power since. I need to clean the carb and get another exorcism I think 🥺
                    If it isn’t one thing it’s another. I kinda wish I was rich enough to buy a running bike 😐

                    S 1 Reply Last reply 30 Jan 2023, 22:29
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                    • S SpookDog
                      29 Jan 2023, 23:54

                      @mhbikesnbits

                      Hopefully, soon as spring breaks! 🙂
                      Having problems with condensation in the tank from the -0 cold at the moment. I ran it onto reserve on Wednesday night and ended up having to clean the plug and drain the carb bowl about 5-6 times just to get 15 miles, not counting the cut out and roll then bump moments. It’s been down on power since. I need to clean the carb and get another exorcism I think 🥺
                      If it isn’t one thing it’s another. I kinda wish I was rich enough to buy a running bike 😐

                      S Offline
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                      SpookDog
                      wrote on 30 Jan 2023, 22:29 last edited by
                      #391

                      @SpookDog

                      Whom I kidding? Bringing them back to life is so satisfying, it’s just keeping them running that’s a bitch! 😶

                      C 1 Reply Last reply 31 Jan 2023, 09:04
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                      • S SpookDog
                        30 Jan 2023, 22:29

                        @SpookDog

                        Whom I kidding? Bringing them back to life is so satisfying, it’s just keeping them running that’s a bitch! 😶

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                        Calum
                        wrote on 31 Jan 2023, 09:04 last edited by
                        #392

                        @SpookDog It is odd, it would be interesting if you took my bike.

                        In the last 13 years of ownership it has never let me down and always got me home!

                        Sure I've had head gasket go on me and one time the ignition was playing up, but no matter how slow it was running it always got me home in all weathers and was used daily.

                        Always Originate, Never Pirate!

                        S 1 Reply Last reply 31 Jan 2023, 12:59
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                        • C Calum
                          31 Jan 2023, 09:04

                          @SpookDog It is odd, it would be interesting if you took my bike.

                          In the last 13 years of ownership it has never let me down and always got me home!

                          Sure I've had head gasket go on me and one time the ignition was playing up, but no matter how slow it was running it always got me home in all weathers and was used daily.

                          S Offline
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                          SpookDog
                          wrote on 31 Jan 2023, 12:59 last edited by
                          #393

                          @Calum

                          The other night was the only time it has physically conked out. It still got me where I was going, albeit exhaustingly!…

                          S 1 Reply Last reply 31 Jan 2023, 16:16
                          1
                          • S SpookDog
                            31 Jan 2023, 12:59

                            @Calum

                            The other night was the only time it has physically conked out. It still got me where I was going, albeit exhaustingly!…

                            S Offline
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                            SpookDog
                            wrote on 31 Jan 2023, 16:16 last edited by
                            #394

                            I bet I could find a problem with your bike 🙂
                            I’d start with why you have to run it without the thermostat 😛 and why it was running at near 100•c (which embarrassingly I thought was normal 🤫 at the time)…

                            Things have settled down for me since I solved the head gasket blowing issue with the pilot jet. The thing is that I’ve done over 20,000 miles while it was missing and popping enough to blow the head gasket, I’m wondering what kind of effect it’s had on the con rod or/and crank?! Maybe why my bike doesn’t like revving up?…

                            My bike was a basket case when I got it, and one problem hid a multitude of others that I couldn’t see till the previous was fixed…

                            C 1 Reply Last reply 1 Feb 2023, 08:47
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                            • S SpookDog
                              31 Jan 2023, 16:16

                              I bet I could find a problem with your bike 🙂
                              I’d start with why you have to run it without the thermostat 😛 and why it was running at near 100•c (which embarrassingly I thought was normal 🤫 at the time)…

                              Things have settled down for me since I solved the head gasket blowing issue with the pilot jet. The thing is that I’ve done over 20,000 miles while it was missing and popping enough to blow the head gasket, I’m wondering what kind of effect it’s had on the con rod or/and crank?! Maybe why my bike doesn’t like revving up?…

                              My bike was a basket case when I got it, and one problem hid a multitude of others that I couldn’t see till the previous was fixed…

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                              Calum
                              wrote on 1 Feb 2023, 08:47 last edited by
                              #395

                              @SpookDog Well it's not stock is it. I'm running a ported Athena 170 kit, with aftermarket radiators and waterless coolant (notorious for raising the temperature). It would benefit from a lower temperature thermostat then it would be grand, but as it is it just takes a while to warm up.

                              Always Originate, Never Pirate!

                              S 1 Reply Last reply 1 Feb 2023, 17:51
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                              • C Calum
                                1 Feb 2023, 08:47

                                @SpookDog Well it's not stock is it. I'm running a ported Athena 170 kit, with aftermarket radiators and waterless coolant (notorious for raising the temperature). It would benefit from a lower temperature thermostat then it would be grand, but as it is it just takes a while to warm up.

                                S Offline
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                                SpookDog
                                wrote on 1 Feb 2023, 17:51 last edited by SpookDog 2 Jan 2023, 20:59
                                #396

                                @Calum

                                Worst temp I had was when I was running lean, was using jets for my year bike, not the year carb. As soon as I upped the mixture it was fine…
                                Two strokes are still mysterious to me 🙂 …

                                I don’t think a lower thermostat wouldn’t solve anything (a working one would if the previous was bust). If the radiator (or 2 in your case?) isn’t dissipating the amount of heat generated in the cylinder, then the coolant temp will keep rising until it reaches the equilibrium that the rad can dispel.
                                Bigger, tuned engines don’t produce higher temps, just more BTU’s~heat…
                                Does that make sense?…

                                C 1 Reply Last reply 2 Feb 2023, 09:05
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                                • S SpookDog
                                  1 Feb 2023, 17:51

                                  @Calum

                                  Worst temp I had was when I was running lean, was using jets for my year bike, not the year carb. As soon as I upped the mixture it was fine…
                                  Two strokes are still mysterious to me 🙂 …

                                  I don’t think a lower thermostat wouldn’t solve anything (a working one would if the previous was bust). If the radiator (or 2 in your case?) isn’t dissipating the amount of heat generated in the cylinder, then the coolant temp will keep rising until it reaches the equilibrium that the rad can dispel.
                                  Bigger, tuned engines don’t produce higher temps, just more BTU’s~heat…
                                  Does that make sense?…

                                  C Offline
                                  C Offline
                                  Calum
                                  wrote on 2 Feb 2023, 09:05 last edited by
                                  #397

                                  @SpookDog Right, so if the engines producing more heat and the cooling isn't adjusted then it'll run hotter. I am running significantly more power than stock probably an extra 50% over the stock power. Plus the bike is a lot heavier than stock with the ally wheels and USDs.

                                  A lower thermostat would definitely help, it's quite common on tuned cars to run lower temp stats to enable the cooling system to function correctly.

                                  Since removing the stat the bike equalises perfectly at 60 degrees, just takes a while to get there.

                                  Always Originate, Never Pirate!

                                  S 1 Reply Last reply 2 Feb 2023, 16:34
                                  0
                                  • C Calum
                                    2 Feb 2023, 09:05

                                    @SpookDog Right, so if the engines producing more heat and the cooling isn't adjusted then it'll run hotter. I am running significantly more power than stock probably an extra 50% over the stock power. Plus the bike is a lot heavier than stock with the ally wheels and USDs.

                                    A lower thermostat would definitely help, it's quite common on tuned cars to run lower temp stats to enable the cooling system to function correctly.

                                    Since removing the stat the bike equalises perfectly at 60 degrees, just takes a while to get there.

                                    S Offline
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                                    SpookDog
                                    wrote on 2 Feb 2023, 16:34 last edited by
                                    #398

                                    @Calum
                                    Then I’d guess your old stat was broke?…

                                    C 1 Reply Last reply 2 Feb 2023, 17:29
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                                    • S SpookDog
                                      2 Feb 2023, 16:34

                                      @Calum
                                      Then I’d guess your old stat was broke?…

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                                      Calum
                                      wrote on 2 Feb 2023, 17:29 last edited by
                                      #399

                                      @SpookDog I tested it and it was opening fine.

                                      Always Originate, Never Pirate!

                                      S 1 Reply Last reply 2 Feb 2023, 19:29
                                      0
                                      • C Calum
                                        2 Feb 2023, 17:29

                                        @SpookDog I tested it and it was opening fine.

                                        S Offline
                                        S Offline
                                        SpookDog
                                        wrote on 2 Feb 2023, 19:29 last edited by
                                        #400

                                        @Calum

                                        @ the right temp? It’s 65 iirc, (I learnt from you 😛) it’s no good if it opens @ 100•c

                                        S C 2 Replies Last reply 2 Feb 2023, 20:18
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                                        • S SpookDog
                                          2 Feb 2023, 19:29

                                          @Calum

                                          @ the right temp? It’s 65 iirc, (I learnt from you 😛) it’s no good if it opens @ 100•c

                                          S Offline
                                          S Offline
                                          SpookDog
                                          wrote on 2 Feb 2023, 20:18 last edited by SpookDog 2 Mar 2023, 19:20
                                          #401

                                          Cleaned out the carb and found bubbles of water still present in the bowl and around the main jet. Power is back to ‘normal’ though it still doesn’t want to rev freely up to and beyond 7K. I’ve got a few plans forming in mind, including swapping out another CDI I gotten (wish the original fitted had markings!) unplugging and ‘pinning’ the power valve to see if there’s a difference…

                                          I’m really not sure about the crank after 20,000 miles of riding while missing at low throttle. The bearings are ok but that doesn’t mean that the Conrod is true…

                                          I do have another good crank and casings, ect that I’ve been planning on building a ‘new’ bottom end lump. I just need to be able to focus on it without other problems stacking up 🫠

                                          Remember to check the power valve servo closer, it appears to be opening at 7000 . But could be higher…

                                          MadGyverM 1 Reply Last reply 5 Feb 2023, 14:37
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