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DT125R FORUM

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  4. Fork bushes

Fork bushes

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  • L Offline
    L Offline
    Lorant2
    wrote on last edited by Lorant2
    #12

    Hello,

    I am also scheduling a fork rebuild on my DT125X, it does not leak at all and in unsprung state it doesn't have any play but if I hold the front brake and spring it in and out, there are centimetres of play and in high speed cornering I feel it unstable. Head bearing was recently replaced, new 32005 and 32006 Koyos instead of the crappy upper SAC 2547-1 which I was like unable to find but eventually I could, but just ended up installing tapered bearings to the upper slot too as it is same size.

    I have some questions for like anybody who sees this. I know my forks are Paioli 41mm diameters. Are DTRE and even DTR-s 41mm too as I see it?

    I found on yambits that "FBS007" is the upper bushing and is compatible with the RE and Yamaha WR125X which is like the same construction as my DTX so I guess that is same inner/outer/height diameters?

    But as like you, I haven't found a lower bushing yet.
    I haven't taken the bike apart yet, might wait for the winter season.

    Thanks for your replies in advance.

    L 1 Reply Last reply
    0
    • L Lorant2

      Hello,

      I am also scheduling a fork rebuild on my DT125X, it does not leak at all and in unsprung state it doesn't have any play but if I hold the front brake and spring it in and out, there are centimetres of play and in high speed cornering I feel it unstable. Head bearing was recently replaced, new 32005 and 32006 Koyos instead of the crappy upper SAC 2547-1 which I was like unable to find but eventually I could, but just ended up installing tapered bearings to the upper slot too as it is same size.

      I have some questions for like anybody who sees this. I know my forks are Paioli 41mm diameters. Are DTRE and even DTR-s 41mm too as I see it?

      I found on yambits that "FBS007" is the upper bushing and is compatible with the RE and Yamaha WR125X which is like the same construction as my DTX so I guess that is same inner/outer/height diameters?

      But as like you, I haven't found a lower bushing yet.
      I haven't taken the bike apart yet, might wait for the winter season.

      Thanks for your replies in advance.

      L Offline
      L Offline
      Lorant2
      wrote on last edited by Lorant2
      #13

      @Lorant2
      Sorry, couldn't edit anymore.

      Just found it in another post that they aren't available separately, just with the whole new lower forks. I haven't taken mine yet apart, but if you did, can you pull the bushing below the seal like usual? If so, could you even measure?

      https://dt125r.co.uk/topic/673/dt125r-2000-fork-bushes

      O 1 Reply Last reply
      0
      • L Lorant2

        @Lorant2
        Sorry, couldn't edit anymore.

        Just found it in another post that they aren't available separately, just with the whole new lower forks. I haven't taken mine yet apart, but if you did, can you pull the bushing below the seal like usual? If so, could you even measure?

        https://dt125r.co.uk/topic/673/dt125r-2000-fork-bushes

        O Offline
        O Offline
        oldman
        wrote on last edited by
        #14

        @Lorant2 the bushes are split same as upper bushes. I will measure as soon as I get time. Still waiting on Yamaha to reply after I gave them extra info they requested. Still to strip spare forks and compare with those

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        • L Offline
          L Offline
          Lorant2
          wrote on last edited by
          #15

          So there should be no problem changing that if we find a fitting part 😕

          I found the sizes of the outer bushings for the wr125x: OD 45.00mm x ID 41.10mm x W 11.80mm x T 1.95mm
          At worst, I will take the forks apart and replace only this if it matches even if there are no inner bushings available.

          Also there is a hungarian website called oem-parts, on that site I can see the DTX outer/top bushing the same as the WR125X, 1-000-169-691

          The inner/bottom bushes are 1-000-188-384 and it is DTX exclusive so I'm pretty shot at this point 😄

          Also you can't order any of them, they are unavailable.

          For the DTRE, they are 1-000-165-981 and 1-000-137-166 respectively and they match with all the DTR's from the 90's. And they are available for order, lol, here you are:

          https://oem-parts.hu/hu/parts/yamaha/motor/2005/dt125re-dt-125-1d03/front-fork

          And I'm guessing that the DTRE and DTX forks are same if the DTRE is paioli too. The differences might be in spring, oil quantity, maybe the inner piston hole specifics and the lower fork legs because of the smaller brake disc/wheel shaft size. So the DTR/DTRE/DTX bottom bushing might be the same as well?

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          • NottsbikerN Offline
            NottsbikerN Offline
            Nottsbiker
            wrote on last edited by
            #16

            I'd guess that the RE uses the same forks as the R but might be totally wrong

            My TDR forks are also Paoli (sp?) and a total pain to get anything for other than seals which are still available from pattern suppliers

            If you can get one out complete you could always have an engineer make some for you from scratch.

            Dont forget that 230 Lanza forks would be a good swap into a 125 if in trail mode 😉

            1 Reply Last reply
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            • O Offline
              O Offline
              oldman
              wrote on last edited by
              #17

              Have found a supplier and ordered pattern bushes. They are due tomorrow so will compare and share if they are good. Still no word from Yamaha though.

              1 Reply Last reply
              1
              • O Offline
                O Offline
                oldman
                wrote on last edited by
                #18

                Bushes arrived, perfect fit and no vertical movement on stanchion (the old ones had a little play/worn) . Ordered from Brooks Suspension, 41.7 x 20 x 1mm, part code SBS-009.
                Assembling forks this evening at last.
                Will post update when tested.20200703_112805_copy_576x1024.jpg
                20200703_112735_copy_576x1024.jpg 20200703_112821_copy_576x1024.jpg

                C 1 Reply Last reply
                1
                • NottsbikerN Offline
                  NottsbikerN Offline
                  Nottsbiker
                  wrote on last edited by
                  #19

                  How much?

                  O 1 Reply Last reply
                  0
                  • S Offline
                    S Offline
                    SpookDog
                    wrote on last edited by
                    #20

                    Nicely done my man!

                    1 Reply Last reply
                    0
                    • NottsbikerN Nottsbiker

                      How much?

                      O Offline
                      O Offline
                      oldman
                      wrote on last edited by
                      #21

                      @Nottsbiker £16.89 + £7 DPD delivery

                      L 1 Reply Last reply
                      0
                      • O oldman

                        @Nottsbiker £16.89 + £7 DPD delivery

                        L Offline
                        L Offline
                        Lorant2
                        wrote on last edited by
                        #22

                        @oldman
                        Nice findings!

                        Could you also measure the other bushing for me? Just in case 🙂

                        1 Reply Last reply
                        0
                        • O Offline
                          O Offline
                          oldman
                          wrote on last edited by
                          #23

                          The other bushes are readily available via eBay, Fowler's, csmnl, etc

                          1 Reply Last reply
                          1
                          • NottsbikerN Offline
                            NottsbikerN Offline
                            Nottsbiker
                            wrote on last edited by
                            #24

                            Sounds reasonable - bet I wont find any for the tdr that easily if I need them!

                            1 Reply Last reply
                            0
                            • O Offline
                              O Offline
                              oldman
                              wrote on last edited by
                              #25

                              If you can get them out and measure them give brooks suspension a call or check their website, list range of bushes by size. I called them and they were very helpful

                              1 Reply Last reply
                              2
                              • O Offline
                                O Offline
                                oldman
                                wrote on last edited by
                                #26

                                Finally took out the bike with the new bushes fitted, all good now, no knocking on compression stroke, well worth doing even if it was a faff getting the bushes. Still no reply from Yamaha though.

                                1 Reply Last reply
                                1
                                • CalumC Offline
                                  CalumC Offline
                                  Calum
                                  wrote on last edited by
                                  #27

                                  Poor show from Yamaha really.

                                  Always Originate, Never Pirate!

                                  1 Reply Last reply
                                  0
                                  • O Offline
                                    O Offline
                                    oldman
                                    wrote on last edited by
                                    #28

                                    Do I chase them though, would like info re key for dtmx helmet lock. Sold the dt250mx last week and have another bike up for sale, looking at buying 250 4t dual sport, was thinking of klx250 maybe? No longer sold here but was even thinking of buying new! Here's a pic of the Meon Valley last night, followed an e type Jag down the A272 from Petersfield to Loomies, smoked as much as my bike!![0_1594661545514_IMG_20200712_201726407_HDR_copy_1024x768.jpg](Uploading 100%)

                                    NottsbikerN Stevie WonderS 2 Replies Last reply
                                    0
                                    • O Offline
                                      O Offline
                                      oldman
                                      wrote on last edited by
                                      #29

                                      Forget the picture, cant get it uploaded, but think bike in middle of countryside with no one around😉

                                      CalumC 1 Reply Last reply
                                      0
                                      • O oldman

                                        Do I chase them though, would like info re key for dtmx helmet lock. Sold the dt250mx last week and have another bike up for sale, looking at buying 250 4t dual sport, was thinking of klx250 maybe? No longer sold here but was even thinking of buying new! Here's a pic of the Meon Valley last night, followed an e type Jag down the A272 from Petersfield to Loomies, smoked as much as my bike!![0_1594661545514_IMG_20200712_201726407_HDR_copy_1024x768.jpg](Uploading 100%)

                                        NottsbikerN Offline
                                        NottsbikerN Offline
                                        Nottsbiker
                                        wrote on last edited by
                                        #30

                                        @oldman KLX meant to be quite flat power wise if thats an issue

                                        Personally I'd get a KDX200 if it had to be Kawasaki

                                        declanD 1 Reply Last reply
                                        0
                                        • O oldman

                                          Forget the picture, cant get it uploaded, but think bike in middle of countryside with no one around😉

                                          CalumC Offline
                                          CalumC Offline
                                          Calum
                                          wrote on last edited by
                                          #31

                                          @oldman Yeah sorry, I had to disable photo uploads. I didn't realise the limit for uploads was up to 20MB.

                                          I CANNOT HOST THAT. I don't have a business line and it would utterly murder my internet connection.

                                          Just upload to imgur and copy the links across.

                                          It's very simple, just get Imgur on your mobile, upload to that using your mobile, then once that's done, you click on the image you're intereted in, and click on share. It will produce a URL that you link in here.

                                          Always Originate, Never Pirate!

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