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DT125R FORUM

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Quick help for suspension service

Scheduled Pinned Locked Moved Framework
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  • C Calum
    18 Oct 2017, 11:32

    I always found that taking the load off the bike helps when actually removing the linkage bolts.

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    declan
    wrote on 18 Oct 2017, 11:41 last edited by
    #6

    @calum yeah I’ve already used that meathod for the dog bone if I take both dog bones off it will collapse won’t it?

    C 1 Reply Last reply 18 Oct 2017, 12:32
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    • D declan
      18 Oct 2017, 11:41

      @calum yeah I’ve already used that meathod for the dog bone if I take both dog bones off it will collapse won’t it?

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      Calum
      wrote on 18 Oct 2017, 12:32 last edited by
      #7

      @declan Yeah that's fine, just lower it gently.

      You will need to be careful with the collars. If they're badly pitted then they're going to need replacing.

      Lube indefinitely to inhibit rot.

      Always Originate, Never Pirate!

      D 1 Reply Last reply 18 Oct 2017, 13:39
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      • C Calum
        18 Oct 2017, 12:32

        @declan Yeah that's fine, just lower it gently.

        You will need to be careful with the collars. If they're badly pitted then they're going to need replacing.

        Lube indefinitely to inhibit rot.

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        declan
        wrote on 18 Oct 2017, 13:39 last edited by
        #8

        @calum only got the one out the one side is a little pitted but it should be fine I’ll pick some up if I decide to do a strip down over winter

        C 1 Reply Last reply 18 Oct 2017, 13:42
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        • D declan
          18 Oct 2017, 13:39

          @calum only got the one out the one side is a little pitted but it should be fine I’ll pick some up if I decide to do a strip down over winter

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          Calum
          wrote on 18 Oct 2017, 13:42 last edited by Calum
          #9

          @declan I would use a metal polish, a soft polishing mop on a dremel to cure the that as much as possible.

          It sounds silly, but any sort of corrosion on this part will not only affect the handling, but also the longevity of the needle bearings it runs against. The frictional forces at work on the suspension components shouldn't be overlooked. It's far cheaper to replace an £8 collar. than a £30 needle bearing. SWING ARM BEARINGS ARE EXPENSIVE!!!

          FYI to anyone who wants to powdercoat swingarms lol

          Always Originate, Never Pirate!

          D 1 Reply Last reply 18 Oct 2017, 13:49
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          • C Calum
            18 Oct 2017, 13:42

            @declan I would use a metal polish, a soft polishing mop on a dremel to cure the that as much as possible.

            It sounds silly, but any sort of corrosion on this part will not only affect the handling, but also the longevity of the needle bearings it runs against. The frictional forces at work on the suspension components shouldn't be overlooked. It's far cheaper to replace an £8 collar. than a £30 needle bearing. SWING ARM BEARINGS ARE EXPENSIVE!!!

            FYI to anyone who wants to powdercoat swingarms lol

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            declan
            wrote on 18 Oct 2017, 13:49 last edited by declan
            #10

            @calum wait there’s bearings in the linkage? Not in mine there isn’t?

            C 1 Reply Last reply 18 Oct 2017, 13:51
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            • D declan
              18 Oct 2017, 13:49

              @calum wait there’s bearings in the linkage? Not in mine there isn’t?

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              Calum
              wrote on 18 Oct 2017, 13:51 last edited by Calum
              #11

              @declan Item 13 is the linkage, lots of bearings

              alt text

              In the event you have a collar, and no bearings (as designed from the factory) you have to be even more strict. As the you won't have the flexibility of simply replacing the bearing, you instead have to replace the whole item.

              Oh so for example, Cam Shaft Journals on a Four Stroke engine. Since the cams run directly onto a Journal, no shells or bearings, if you damage the Journal you destroy the head.

              It's far cheaper to replace the cams than it is to replace the head. That's the idea.

              Always Originate, Never Pirate!

              D 1 Reply Last reply 18 Oct 2017, 13:57
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              • C Calum
                18 Oct 2017, 13:51

                @declan Item 13 is the linkage, lots of bearings

                alt text

                In the event you have a collar, and no bearings (as designed from the factory) you have to be even more strict. As the you won't have the flexibility of simply replacing the bearing, you instead have to replace the whole item.

                Oh so for example, Cam Shaft Journals on a Four Stroke engine. Since the cams run directly onto a Journal, no shells or bearings, if you damage the Journal you destroy the head.

                It's far cheaper to replace the cams than it is to replace the head. That's the idea.

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                declan
                wrote on 18 Oct 2017, 13:57 last edited by
                #12

                @calum mine is just the bushings theres no place for bearings bud i simply don’t have the funds right now but I do understand what your saying it’s just not possible for me right now

                C 1 Reply Last reply 18 Oct 2017, 14:03
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                • D declan
                  18 Oct 2017, 13:57

                  @calum mine is just the bushings theres no place for bearings bud i simply don’t have the funds right now but I do understand what your saying it’s just not possible for me right now

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                  Calum
                  wrote on 18 Oct 2017, 14:03 last edited by Calum
                  #13

                  @declan I can't see how your linkage could not have bearings lol. It would be horrendously slack and would never get an MOT.

                  As I said, if by some strange event you don't have any bearings there, you will destroy the part and it'll cost you £105 for a new linkage rather than the £10 for the bearings.

                  That's the point I'm trying to make.

                  I personally don't understand the mentality of scrimping.

                  I bought my car 3 years ago and it has been absolutely neglected. Whilst I do really need this car, I haven't driven it until everything has been rectified. We're talking everything, the car has simply sat still. I actually cycle everywhere lol, it's pretty tragic. So I understand having the lack of funds, but the way I see it, it will cost more in the long run if you don't sort it out.

                  Always Originate, Never Pirate!

                  D 1 Reply Last reply 18 Oct 2017, 14:05
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                  • C Calum
                    18 Oct 2017, 14:03

                    @declan I can't see how your linkage could not have bearings lol. It would be horrendously slack and would never get an MOT.

                    As I said, if by some strange event you don't have any bearings there, you will destroy the part and it'll cost you £105 for a new linkage rather than the £10 for the bearings.

                    That's the point I'm trying to make.

                    I personally don't understand the mentality of scrimping.

                    I bought my car 3 years ago and it has been absolutely neglected. Whilst I do really need this car, I haven't driven it until everything has been rectified. We're talking everything, the car has simply sat still. I actually cycle everywhere lol, it's pretty tragic. So I understand having the lack of funds, but the way I see it, it will cost more in the long run if you don't sort it out.

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                    declan
                    wrote on 18 Oct 2017, 14:05 last edited by
                    #14

                    @calum like I said it’s just something I gotta do and the bike ain’t going anywhere anytime soon anyway, so help me understand some have bearings but mine doesent?

                    C 1 Reply Last reply 18 Oct 2017, 14:06
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                    • D declan
                      18 Oct 2017, 14:05

                      @calum like I said it’s just something I gotta do and the bike ain’t going anywhere anytime soon anyway, so help me understand some have bearings but mine doesent?

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                      Calum
                      wrote on 18 Oct 2017, 14:06 last edited by
                      #15

                      @declan Throw some photos up. The linkage, item 13, has bearings inside it.

                      Always Originate, Never Pirate!

                      D 1 Reply Last reply 18 Oct 2017, 14:19
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                      • C Calum
                        18 Oct 2017, 14:06

                        @declan Throw some photos up. The linkage, item 13, has bearings inside it.

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                        declan
                        wrote on 18 Oct 2017, 14:19 last edited by
                        #16

                        @calum I’ll do a video 2 mins

                        D 1 Reply Last reply 18 Oct 2017, 14:29
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                        • D declan
                          18 Oct 2017, 14:19

                          @calum I’ll do a video 2 mins

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                          declan
                          wrote on 18 Oct 2017, 14:29 last edited by
                          #17

                          @declan https://youtu.be/nRHOTgstx3U

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                            Calum
                            wrote on 18 Oct 2017, 15:06 last edited by
                            #18

                            Yeah yeah that's sound. That's the bronze bush. But the other part of the linkage, will have bearings in it.

                            That collar sits inside the bronze bush, the two should be replaced at the same time. I would polish the collar, and pack the linkage full of grease.

                            Always Originate, Never Pirate!

                            D 1 Reply Last reply 18 Oct 2017, 15:40
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                            • C Calum
                              18 Oct 2017, 15:06

                              Yeah yeah that's sound. That's the bronze bush. But the other part of the linkage, will have bearings in it.

                              That collar sits inside the bronze bush, the two should be replaced at the same time. I would polish the collar, and pack the linkage full of grease.

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                              declan
                              wrote on 18 Oct 2017, 15:40 last edited by
                              #19

                              @calum can’t get the other one out can move it a bit but that’s it I’ll have a go from the other side tomorrow as it must be as dry as the Desert

                              C 1 Reply Last reply 18 Oct 2017, 15:53
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                              • D declan
                                18 Oct 2017, 15:40

                                @calum can’t get the other one out can move it a bit but that’s it I’ll have a go from the other side tomorrow as it must be as dry as the Desert

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                                Calum
                                wrote on 18 Oct 2017, 15:53 last edited by
                                #20

                                @declan Oh, I would probably leave the bronze inserts in there bud.

                                So long as the collars have not up and down play then that's fine. Just grease it all up.

                                Those bronze collars will wear rather than the linkage.

                                Once they have worn past their limit, the collar and bush will have play. But the outer side of the bronze bush should be fine. WHich means the linkage should be find

                                Always Originate, Never Pirate!

                                D 1 Reply Last reply 18 Oct 2017, 16:11
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                                • C Calum
                                  18 Oct 2017, 15:53

                                  @declan Oh, I would probably leave the bronze inserts in there bud.

                                  So long as the collars have not up and down play then that's fine. Just grease it all up.

                                  Those bronze collars will wear rather than the linkage.

                                  Once they have worn past their limit, the collar and bush will have play. But the outer side of the bronze bush should be fine. WHich means the linkage should be find

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                                  declan
                                  wrote on 18 Oct 2017, 16:11 last edited by
                                  #21

                                  @calum got it out cleaned and used a crazy amount of grease just waiting for the dog bones to dry still didn’t come across Any bearing a tho bud

                                  D 1 Reply Last reply 18 Oct 2017, 16:11
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                                  • D declan
                                    18 Oct 2017, 16:11

                                    @calum got it out cleaned and used a crazy amount of grease just waiting for the dog bones to dry still didn’t come across Any bearing a tho bud

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                                    declan
                                    wrote on 18 Oct 2017, 16:11 last edited by
                                    #22

                                    @declan they slide in nicely now

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                                      finnerz89
                                      wrote on 18 Oct 2017, 16:13 last edited by
                                      #23

                                      Definitely should be bearings in there 🤔

                                      Current bikes:
                                      DT125X '07
                                      Street Triple R '11
                                      Aprilia ETV1000 '02

                                      Previous:
                                      DR650RSE '96
                                      FJ1200 '92

                                      C 1 Reply Last reply 18 Oct 2017, 16:17
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                                      • F finnerz89
                                        18 Oct 2017, 16:13

                                        Definitely should be bearings in there 🤔

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                                        Calum
                                        wrote on 18 Oct 2017, 16:17 last edited by
                                        #24

                                        @finnerz89 Nah not in that part. It's the part that sandwiches between the frame that has the needle bearings. It's just a collar on the bronze bush for the bit declan is working with.

                                        Always Originate, Never Pirate!

                                        D 1 Reply Last reply 18 Oct 2017, 16:21
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                                        • C Calum
                                          18 Oct 2017, 16:17

                                          @finnerz89 Nah not in that part. It's the part that sandwiches between the frame that has the needle bearings. It's just a collar on the bronze bush for the bit declan is working with.

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                                          declan
                                          wrote on 18 Oct 2017, 16:21 last edited by declan
                                          #25

                                          @calum so the bearing are up at the engine side I wanted to get em out but the bolt is too hard to get to it moves smoothly enough though so I think it’s fine

                                          C 1 Reply Last reply 18 Oct 2017, 16:23
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