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DT125R FORUM

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  4. Options, Options, Options but which ones the best?

Options, Options, Options but which ones the best?

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  • N Offline
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    Nottsbiker
    wrote on 6 May 2020, 08:33 last edited by
    #13

    Sorry I wasnt being funny 🙂 just talking about making my own home built 200 like Yamaha could have built

    Yes the SDR200 - rare and expensive now and oddly with a different engine to both the 3XP and 3ET 200's - looks like its based on the old 200LC motor.

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      Calum
      wrote on 6 May 2020, 08:53 last edited by
      #14

      I don't know if they are rare. They were not sold over here which is why we don't see them. Sold in Asia. And yes it is of the LC age, late LC 1988.

      I don't know though, there is something I just like about them.

      Always Originate, Never Pirate!

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        Nottsbiker
        wrote on 6 May 2020, 14:49 last edited by
        #15

        Yes they look good - kind of a merger between an RD125lc and a TZR125 but with a nicer looking frame

        Only ones I've seen lately are all going for £3k+ right now so definitely look like people want them to command such high prices

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        • C Calum
          5 May 2020, 15:29

          I did see you put 200, but I'm not familiar with that model. Rarity may be against you, the 250's are easier had.

          You not what I wouldn't mind?

          alt text

          Yamaha SDR200! YPVS Too!

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          Stevie Wonder
          wrote on 6 May 2020, 21:13 last edited by
          #16

          @Calum i not long ago passed up the opportunity to buy a full 89 sdr engine because I want sure how I’d go about using it. I’m gutted now. They didn’t want much either.

          C 1 Reply Last reply 6 May 2020, 21:59
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          • S Stevie Wonder
            6 May 2020, 21:13

            @Calum i not long ago passed up the opportunity to buy a full 89 sdr engine because I want sure how I’d go about using it. I’m gutted now. They didn’t want much either.

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            Calum
            wrote on 6 May 2020, 21:59 last edited by
            #17

            @Stevie-Wonder they claim to be a Conservative 34hp which would be nice.

            I don't think 3k is too bad especially as you see people wanting 3k for an Aprilia

            Always Originate, Never Pirate!

            S 1 Reply Last reply 7 May 2020, 07:00
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            • C Calum
              6 May 2020, 21:59

              @Stevie-Wonder they claim to be a Conservative 34hp which would be nice.

              I don't think 3k is too bad especially as you see people wanting 3k for an Aprilia

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              Stevie Wonder
              wrote on 7 May 2020, 07:00 last edited by
              #18

              @Calum 34 would be nice. About the same as a WR200. It’s also worth mentioning that the SDR200 bottom end doesn’t bolt in like the others and I’m not even sure top ends are interchangeable. I couldn’t find any info on here about that

              C 1 Reply Last reply 7 May 2020, 08:44
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              • S Stevie Wonder
                7 May 2020, 07:00

                @Calum 34 would be nice. About the same as a WR200. It’s also worth mentioning that the SDR200 bottom end doesn’t bolt in like the others and I’m not even sure top ends are interchangeable. I couldn’t find any info on here about that

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                Calum
                wrote on 7 May 2020, 08:44 last edited by
                #19

                @Stevie-Wonder Yeah I don't know much about them to be fair. But they look pretty sweet.

                Always Originate, Never Pirate!

                S 1 Reply Last reply 7 May 2020, 09:39
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                • C Calum
                  7 May 2020, 08:44

                  @Stevie-Wonder Yeah I don't know much about them to be fair. But they look pretty sweet.

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                  Stevie Wonder
                  wrote on 7 May 2020, 09:39 last edited by
                  #20

                  @Calum * just to update what I was saying. I just remembered who it was I was talking to and it was a couple of the TZR Belgarda boys. He says the lower mount of it is all wrong and because of the electrical start it makes the SDR motors very ideal and highly sought after by them as a direct engine swap. Unfortunately not much good for us though

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                    Calum
                    wrote on 7 May 2020, 09:47 last edited by
                    #21

                    Well I mean, I quite like the whole bike.

                    Always Originate, Never Pirate!

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                      Nottsbiker
                      wrote on 7 May 2020, 09:59 last edited by
                      #22

                      Yes only the WR / R motors are a direct swap - think the SDR has an extra rear mount but I've never seen one in the flesh for maybe 20 years now.

                      £3k isn't much I know especially as they wont lose any value

                      S 1 Reply Last reply 8 May 2020, 02:08
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                      • N Nottsbiker
                        7 May 2020, 09:59

                        Yes only the WR / R motors are a direct swap - think the SDR has an extra rear mount but I've never seen one in the flesh for maybe 20 years now.

                        £3k isn't much I know especially as they wont lose any value

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                        Stevie Wonder
                        wrote on 8 May 2020, 02:08 last edited by
                        #23

                        @Nottsbiker yes it does, it’s what the Belgarda boys where telling me as I had asked if they where using that motor whey they’d never used the 3XP. Also update
                        I now have a full 4FU. valve head and barrel.
                        I still have the P but that’ll get sold to fund the 4FU. Unfortunately the guy with the 170 never got back to me so I set my self a challenge of finding a 4FU valve in under a day by the evening.

                        Looking forward to the day I run it and it seizes, nicasil liners and the extra rebuild cost is what initially stopped me going anywhere near I kmx and now here I am 😂 Do you think I’ll sacrifice much reliability with the 4FU?

                        D 1 Reply Last reply 8 May 2020, 05:36
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                        • S Stevie Wonder
                          8 May 2020, 02:08

                          @Nottsbiker yes it does, it’s what the Belgarda boys where telling me as I had asked if they where using that motor whey they’d never used the 3XP. Also update
                          I now have a full 4FU. valve head and barrel.
                          I still have the P but that’ll get sold to fund the 4FU. Unfortunately the guy with the 170 never got back to me so I set my self a challenge of finding a 4FU valve in under a day by the evening.

                          Looking forward to the day I run it and it seizes, nicasil liners and the extra rebuild cost is what initially stopped me going anywhere near I kmx and now here I am 😂 Do you think I’ll sacrifice much reliability with the 4FU?

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                          declan
                          wrote on 8 May 2020, 05:36 last edited by
                          #24

                          @Stevie-Wonder maybe, I really don't like nikasil i appreciate it but it's not something is want to run

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                            Calum
                            wrote on 8 May 2020, 08:13 last edited by
                            #25

                            Nikasil plating is fine. There is no compromise in reliability? Why would there be?

                            The tolerances can be made tighter. There is greater heat transfer between the engine and the coolant, meaning you can push the engine harder for longer.

                            Always Originate, Never Pirate!

                            D S 2 Replies Last reply 8 May 2020, 08:26
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                            • C Calum
                              8 May 2020, 08:13

                              Nikasil plating is fine. There is no compromise in reliability? Why would there be?

                              The tolerances can be made tighter. There is greater heat transfer between the engine and the coolant, meaning you can push the engine harder for longer.

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                              declan
                              wrote on 8 May 2020, 08:26 last edited by
                              #26

                              @Calum sure but in the event of damage usually it means it's screwed and it's pricier to replace obviously it's better but like I said it's not for me

                              C 1 Reply Last reply 8 May 2020, 08:38
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                              • D declan
                                8 May 2020, 08:26

                                @Calum sure but in the event of damage usually it means it's screwed and it's pricier to replace obviously it's better but like I said it's not for me

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                                Calum
                                wrote on 8 May 2020, 08:38 last edited by
                                #27

                                @declan Why would it get damaged? In the ten years I've been riding, I have never once damaged my DTR engine...

                                Always Originate, Never Pirate!

                                D 1 Reply Last reply 8 May 2020, 15:48
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                                • C Calum
                                  8 May 2020, 08:38

                                  @declan Why would it get damaged? In the ten years I've been riding, I have never once damaged my DTR engine...

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                                  declan
                                  wrote on 8 May 2020, 15:48 last edited by
                                  #28

                                  @Calum the same way they all get damaged

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                                  • C Calum
                                    8 May 2020, 08:13

                                    Nikasil plating is fine. There is no compromise in reliability? Why would there be?

                                    The tolerances can be made tighter. There is greater heat transfer between the engine and the coolant, meaning you can push the engine harder for longer.

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                                    S Offline
                                    Stevie Wonder
                                    wrote on 8 May 2020, 16:00 last edited by
                                    #29

                                    @Calum said in Options, Options, Options but which ones the best?:

                                    Nikasil plating is fine. There is no compromise in reliability? Why would there be?

                                    The tolerances can be made tighter. There is greater heat transfer between the engine and the coolant, meaning you can push the engine harder for longer.

                                    Okay that makes a lot of sense. When you put aside the fact a seize or something could cost you very dearly on paper they actually offer a lot more quality’s. Not to mention the sound lol.

                                    D 1 Reply Last reply 8 May 2020, 16:41
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                                    • S Stevie Wonder
                                      8 May 2020, 16:00

                                      @Calum said in Options, Options, Options but which ones the best?:

                                      Nikasil plating is fine. There is no compromise in reliability? Why would there be?

                                      The tolerances can be made tighter. There is greater heat transfer between the engine and the coolant, meaning you can push the engine harder for longer.

                                      Okay that makes a lot of sense. When you put aside the fact a seize or something could cost you very dearly on paper they actually offer a lot more quality’s. Not to mention the sound lol.

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                                      declan
                                      wrote on 8 May 2020, 16:41 last edited by
                                      #30

                                      @Stevie-Wonder it's not that much more expensive is it?

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                                        Darty
                                        wrote on 8 May 2020, 17:27 last edited by Darty 5 Aug 2020, 18:27
                                        #31

                                        Nikasil is actually harder than a traditional cast iron sleeve.

                                        For road use and clean induction, it’s incredibly durable.

                                        Keep it real

                                        D 1 Reply Last reply 8 May 2020, 18:30
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                                        • D Darty
                                          8 May 2020, 17:27

                                          Nikasil is actually harder than a traditional cast iron sleeve.

                                          For road use and clean induction, it’s incredibly durable.

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                                          declan
                                          wrote on 8 May 2020, 18:30 last edited by
                                          #32

                                          @Darty yeah it is surprisingly

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