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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
    23 Aug 2023, 13:56

    Does anyone have a genuine Yamaha Regulator Rectifier for sale?…

    The RR I have fitted is overcharging the battery. It dried out my last liquid acid battery and has done for my gel one now 🫤 …

    S Offline
    S Offline
    SpookDog
    wrote on 24 Aug 2023, 15:12 last edited by SpookDog
    #684

    Bearing puller set arrived today. £25 for 14 piece set which also has two ‘leg’ puller attachments (pun intended) that some kits don’t…

    Nice & painless as I like it! Removed the bearing in 5 mins with no marking the crank at all. Wish I’d known about these before, back when two very large flathead screwdrivers were my ‘modus operandi’ 😛 …

    alt text

    S 1 Reply Last reply 2 Sept 2023, 19:37
    2
    • C Online
      C Online
      Calum
      wrote on 24 Aug 2023, 16:12 last edited by
      #685

      Amazing what you can get from China these days for next to nothing!

      Always Originate, Never Pirate!

      1 Reply Last reply
      0
      • S SpookDog
        24 Aug 2023, 15:12

        Bearing puller set arrived today. £25 for 14 piece set which also has two ‘leg’ puller attachments (pun intended) that some kits don’t…

        Nice & painless as I like it! Removed the bearing in 5 mins with no marking the crank at all. Wish I’d known about these before, back when two very large flathead screwdrivers were my ‘modus operandi’ 😛 …

        alt text

        S Offline
        S Offline
        SpookDog
        wrote on 2 Sept 2023, 19:37 last edited by
        #686

        I’m celebrating my head not being blown in a very decent amount of time ⏰ ☠️🃏🐾⚡️💀

        A year, long time for me keeping my head together 😛 …

        S 1 Reply Last reply 9 Sept 2023, 17:23
        0
        • S SpookDog
          2 Sept 2023, 19:37

          I’m celebrating my head not being blown in a very decent amount of time ⏰ ☠️🃏🐾⚡️💀

          A year, long time for me keeping my head together 😛 …

          S Offline
          S Offline
          SpookDog
          wrote on 9 Sept 2023, 17:23 last edited by SpookDog 9 Sept 2023, 19:45
          #687

          My back tyre seems to develop an ‘edge’ after a few thousand miles. Or a while, I haven’t been keeping track of mileage so much since my head stopped blowing…

          alt text

          The centre seems to develop a flat spot because most miles are covered upright. When I go to lean, once you leave the flat bit, there’s an edge that is not very stable feeling, it kind of shimmys before it bites. Anyone else experienced this with knobbly tyres? It’s like all of a sudden you’re on a knife edge! It doesn’t help that the tread there is deep and ‘flexy’…
          It’s gotten to the point where I’m thinking of ‘adventure bike’ type ‘trail’ tyres. I can’t remember the last time I went off tarmac. I refuse to put 100% road tyres on tho’
          Any recommendations for good, decent wearing tyres?…

          Or should I just get out the angle grinder? Or learn to doughnut! ☠️

          PS: @HOTSHOT-III
          Do you still have the dtr wheel set for sale?…

          H 1 Reply Last reply 10 Sept 2023, 07:08
          0
          • S SpookDog
            9 Sept 2023, 17:23

            My back tyre seems to develop an ‘edge’ after a few thousand miles. Or a while, I haven’t been keeping track of mileage so much since my head stopped blowing…

            alt text

            The centre seems to develop a flat spot because most miles are covered upright. When I go to lean, once you leave the flat bit, there’s an edge that is not very stable feeling, it kind of shimmys before it bites. Anyone else experienced this with knobbly tyres? It’s like all of a sudden you’re on a knife edge! It doesn’t help that the tread there is deep and ‘flexy’…
            It’s gotten to the point where I’m thinking of ‘adventure bike’ type ‘trail’ tyres. I can’t remember the last time I went off tarmac. I refuse to put 100% road tyres on tho’
            Any recommendations for good, decent wearing tyres?…

            Or should I just get out the angle grinder? Or learn to doughnut! ☠️

            PS: @HOTSHOT-III
            Do you still have the dtr wheel set for sale?…

            H Offline
            H Offline
            HOTSHOT III
            wrote on 10 Sept 2023, 07:08 last edited by
            #688

            @SpookDog Yes bud, wheelset is still available:

            https://www.ebay.co.uk/itm/266386635256

            Avon TrailRiders are excellent tyres and all I ever used on all my DTRs. They're roughly 85% road/15% dirt so very sticky and fast rolling on tarmac but still good for gentle off-roading when it's bone dry.

            1 Reply Last reply
            0
            • H Offline
              H Offline
              Hark_Ptooie
              wrote on 10 Sept 2023, 16:34 last edited by
              #689

              Yes, the edge knobs are a bit flexible sideways, and if you are leaning over you are putting more than 1g force on them, so it makes sense that stability suffers. Increasing tyre pressure mitigates it somewhat.

              S 1 Reply Last reply 10 Sept 2023, 18:15
              0
              • H Hark_Ptooie
                10 Sept 2023, 16:34

                Yes, the edge knobs are a bit flexible sideways, and if you are leaning over you are putting more than 1g force on them, so it makes sense that stability suffers. Increasing tyre pressure mitigates it somewhat.

                S Offline
                S Offline
                SpookDog
                wrote on 10 Sept 2023, 18:15 last edited by SpookDog 9 Nov 2023, 07:27
                #690

                @Hark_Ptooie

                Doesn’t help that they are now twice the depth of the centre tread.

                I need to find a safe bit of tarmac somewhere that I can practice doughnuts. Last time I tried it was a Vespa p200 with a sidecar and an off duty PC reported me for reckless driving 👍 It was in a ‘off hours’ dead end car park by the river. So I’m a bit more cautious now…
                I don’t think that the angle grinder will be uniform enough though 🙂 …

                Apparently Some manufacturers are using different hardness ‘bands’ in their tyres…

                alt text

                1 Reply Last reply
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                • H Offline
                  H Offline
                  Hark_Ptooie
                  wrote on 11 Sept 2023, 18:40 last edited by
                  #691

                  Vespa with a sidecar doing donuts? ROFL

                  The rear tyre on my CBR resembled a baker's rolling pin more than anything.

                  S 1 Reply Last reply 11 Sept 2023, 19:06
                  0
                  • H Hark_Ptooie
                    11 Sept 2023, 18:40

                    Vespa with a sidecar doing donuts? ROFL

                    The rear tyre on my CBR resembled a baker's rolling pin more than anything.

                    S Offline
                    S Offline
                    SpookDog
                    wrote on 11 Sept 2023, 19:06 last edited by SpookDog 9 Nov 2023, 21:37
                    #692

                    @Hark_Ptooie

                    ??? It’s real fuxin easy as long as you don’t try and turn left while you’re doing it, work it out 😉 …

                    Depending on which way the pin is facing. I don’t know if that’s bad or not…

                    1 Reply Last reply
                    0
                    • S Offline
                      S Offline
                      SpookDog
                      wrote on 18 Sept 2023, 15:39 last edited by SpookDog
                      #693

                      Rear brake stopped biting today. I had noticed it had been fading over the last few rides. It turns out that the piston is pitted at a point where it was left standing for a long while sometime in its past. Don’t have any money to replace the piston and seals at the moment, so I’m gonna have to drill & fill the pits to squeeze a few more thousand miles out of it 🙂 …

                      I would like to fit a 35mm front calliper on the rear. I have one ready to go but I had to buy a 14mm master to match it. Accidentally, I broke off the plastic fitting that the reservoir tube fits on to. Once I have the pennies for that I’ll get on with this long overdue upgrade. My rear brake makes up well over 50% of my braking, so it’s needed…

                      I have some ideas for a front disc upgrade, but I need to find someone who has access to ‘water cut’ a disc centre that matches a Dtr hub to a suitable sized ‘floating disc’ outer…

                      Edit: reservoir tube in post…
                      Need to test charging coil output to see why the bike is eating batteries. If output is good from coil replace regulator (long overdue) with used part…

                      S 1 Reply Last reply 28 Sept 2023, 17:35
                      0
                      • S SpookDog
                        18 Sept 2023, 15:39

                        Rear brake stopped biting today. I had noticed it had been fading over the last few rides. It turns out that the piston is pitted at a point where it was left standing for a long while sometime in its past. Don’t have any money to replace the piston and seals at the moment, so I’m gonna have to drill & fill the pits to squeeze a few more thousand miles out of it 🙂 …

                        I would like to fit a 35mm front calliper on the rear. I have one ready to go but I had to buy a 14mm master to match it. Accidentally, I broke off the plastic fitting that the reservoir tube fits on to. Once I have the pennies for that I’ll get on with this long overdue upgrade. My rear brake makes up well over 50% of my braking, so it’s needed…

                        I have some ideas for a front disc upgrade, but I need to find someone who has access to ‘water cut’ a disc centre that matches a Dtr hub to a suitable sized ‘floating disc’ outer…

                        Edit: reservoir tube in post…
                        Need to test charging coil output to see why the bike is eating batteries. If output is good from coil replace regulator (long overdue) with used part…

                        S Offline
                        S Offline
                        SpookDog
                        wrote on 28 Sept 2023, 17:35 last edited by
                        #694

                        @SpookDog

                        Rear master to reservoir outlet turned up today, at last! Strangely enough the 1/2 master has ‘settled in’ and is providing enough fluid to the 35mm front calliper that I’ve fitted to the back. Go figure!…

                        Had to clean out the carb again today, namely water globlet in the pilot jet as usual. I don’t understand why I suffer from this so often. New petrol cap time, maybe?…

                        R S 2 Replies Last reply 29 Sept 2023, 13:27
                        0
                        • S SpookDog
                          28 Sept 2023, 17:35

                          @SpookDog

                          Rear master to reservoir outlet turned up today, at last! Strangely enough the 1/2 master has ‘settled in’ and is providing enough fluid to the 35mm front calliper that I’ve fitted to the back. Go figure!…

                          Had to clean out the carb again today, namely water globlet in the pilot jet as usual. I don’t understand why I suffer from this so often. New petrol cap time, maybe?…

                          R Offline
                          R Offline
                          R3L3_89
                          wrote on 29 Sept 2023, 13:27 last edited by
                          #695

                          @SpookDog cover the gas tank cap with electical tape, I did that as soon as I got my bike, the keyhole can leak. It's not likely someone will try to steal your gas and it's inconvenient to lock and unlock the tank every time you need to fill it up which happens too often with this thing for some reason

                          1 Reply Last reply
                          0
                          • S SpookDog
                            28 Sept 2023, 17:35

                            @SpookDog

                            Rear master to reservoir outlet turned up today, at last! Strangely enough the 1/2 master has ‘settled in’ and is providing enough fluid to the 35mm front calliper that I’ve fitted to the back. Go figure!…

                            Had to clean out the carb again today, namely water globlet in the pilot jet as usual. I don’t understand why I suffer from this so often. New petrol cap time, maybe?…

                            S Offline
                            S Offline
                            SpookDog
                            wrote on 24 Oct 2023, 11:47 last edited by
                            #696

                            alt text

                            What to do, what to do with you! Hmm?…

                            The Dtr?

                            1 Reply Last reply
                            1
                            • CalumC Online
                              CalumC Online
                              Calum
                              wrote on 24 Oct 2023, 17:46 last edited by Calum
                              #697

                              I must admit, I have really changed my tune with the 170 kit.

                              What I would say is, make sure the powervalve is ported flush. Genuinly mine protruded the exhaust port stock. So benefits from modding the valve even if you leave the exhaust port alone.

                              I think the DTR is a better choice for the 170. Just because you're more likely to be utilising the benefit from the bottom end more due to the nature of the bike.

                              TZR is more of an open stretch bike where you'll want more HP up the top end.

                              Always Originate, Never Pirate!

                              1 Reply Last reply
                              0
                              • MadGyverM Offline
                                MadGyverM Offline
                                MadGyver
                                wrote on 24 Oct 2023, 19:38 last edited by
                                #698

                                @SpookDog
                                The DTR of course!

                                I need my tools and a pile of junk.....

                                1 Reply Last reply
                                0
                                • MadGyverM Offline
                                  MadGyverM Offline
                                  MadGyver
                                  wrote on 24 Oct 2023, 19:40 last edited by
                                  #699

                                  Is it the one from ebay recently posted to another thread?

                                  I need my tools and a pile of junk.....

                                  S 1 Reply Last reply 27 Oct 2023, 14:09
                                  0
                                  • MadGyverM MadGyver
                                    24 Oct 2023, 19:40

                                    Is it the one from ebay recently posted to another thread?

                                    S Offline
                                    S Offline
                                    SpookDog
                                    wrote on 27 Oct 2023, 14:09 last edited by SpookDog
                                    #700

                                    @MadGyver

                                    Sorry for tardy reply, yes it is £155 posted.

                                    Are all 170 Athenas fitted with an o-ring head? Or are some fitted with a gasket?…

                                    Yeah, it’s going to live on the Dtr…

                                    S 1 Reply Last reply 27 Oct 2023, 15:39
                                    0
                                    • S SpookDog
                                      27 Oct 2023, 14:09

                                      @MadGyver

                                      Sorry for tardy reply, yes it is £155 posted.

                                      Are all 170 Athenas fitted with an o-ring head? Or are some fitted with a gasket?…

                                      Yeah, it’s going to live on the Dtr…

                                      S Offline
                                      S Offline
                                      SpookDog
                                      wrote on 27 Oct 2023, 15:39 last edited by
                                      #701

                                      Can anyone please let me know where I can get head gaskets for the 170 top end?
                                      Also if there are o-ring upgrades?..
                                      Ta!

                                      1 Reply Last reply
                                      0
                                      • CalumC Online
                                        CalumC Online
                                        Calum
                                        wrote on 27 Oct 2023, 18:09 last edited by
                                        #702

                                        PJME. Never needed an O-Ring upgrade. I've not had any issues with the head gaskets for my 170 kit.

                                        Always Originate, Never Pirate!

                                        1 Reply Last reply
                                        0
                                        • MadGyverM Offline
                                          MadGyverM Offline
                                          MadGyver
                                          wrote on 27 Oct 2023, 18:11 last edited by MadGyver
                                          #703

                                          @SpookDog All Athena kits i've seen are with gasket. The o ring head is custom.
                                          I 'm not fan of this type of sealant for a combastion chamber,good only for competition with frequent rebuilds.

                                          I need my tools and a pile of junk.....

                                          1 Reply Last reply
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