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DT125R FORUM

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  4. Quick help for suspension service

Quick help for suspension service

Scheduled Pinned Locked Moved Framework
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  • declanD declan

    @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?

    CalumC Offline
    CalumC Offline
    Calum
    wrote on 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!

    declanD 1 Reply Last reply
    0
    • CalumC Calum

      @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.

      declanD Offline
      declanD Offline
      declan
      wrote on 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

      CalumC 1 Reply Last reply
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      • declanD declan

        @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

        CalumC Offline
        CalumC Offline
        Calum
        wrote on 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!

        declanD 1 Reply Last reply
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        • CalumC Calum

          @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

          declanD Offline
          declanD Offline
          declan
          wrote on last edited by declan
          #10

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

          CalumC 1 Reply Last reply
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          • declanD declan

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

            CalumC Offline
            CalumC Offline
            Calum
            wrote on 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!

            declanD 1 Reply Last reply
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            • CalumC Calum

              @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.

              declanD Offline
              declanD Offline
              declan
              wrote on 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

              CalumC 1 Reply Last reply
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              • declanD declan

                @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

                CalumC Offline
                CalumC Offline
                Calum
                wrote on 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!

                declanD 1 Reply Last reply
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                • CalumC Calum

                  @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.

                  declanD Offline
                  declanD Offline
                  declan
                  wrote on 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?

                  CalumC 1 Reply Last reply
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                  • declanD declan

                    @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?

                    CalumC Offline
                    CalumC Offline
                    Calum
                    wrote on last edited by
                    #15

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

                    Always Originate, Never Pirate!

                    declanD 1 Reply Last reply
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                    • CalumC Calum

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

                      declanD Offline
                      declanD Offline
                      declan
                      wrote on last edited by
                      #16

                      @calum I’ll do a video 2 mins

                      declanD 1 Reply Last reply
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                      • declanD declan

                        @calum I’ll do a video 2 mins

                        declanD Offline
                        declanD Offline
                        declan
                        wrote on last edited by
                        #17

                        @declan https://youtu.be/nRHOTgstx3U

                        1 Reply Last reply
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                        • CalumC Offline
                          CalumC Offline
                          Calum
                          wrote on 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!

                          declanD 1 Reply Last reply
                          0
                          • CalumC Calum

                            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.

                            declanD Offline
                            declanD Offline
                            declan
                            wrote on 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

                            CalumC 1 Reply Last reply
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                            • declanD declan

                              @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

                              CalumC Offline
                              CalumC Offline
                              Calum
                              wrote on 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!

                              declanD 1 Reply Last reply
                              0
                              • CalumC Calum

                                @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

                                declanD Offline
                                declanD Offline
                                declan
                                wrote on 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

                                declanD 1 Reply Last reply
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                                • declanD declan

                                  @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

                                  declanD Offline
                                  declanD Offline
                                  declan
                                  wrote on last edited by
                                  #22

                                  @declan they slide in nicely now

                                  1 Reply Last reply
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                                  • F Offline
                                    F Offline
                                    finnerz89
                                    wrote on 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

                                    CalumC 1 Reply Last reply
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                                    • F finnerz89

                                      Definitely should be bearings in there 🤔

                                      CalumC Offline
                                      CalumC Offline
                                      Calum
                                      wrote on 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!

                                      declanD 1 Reply Last reply
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                                      • CalumC Calum

                                        @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.

                                        declanD Offline
                                        declanD Offline
                                        declan
                                        wrote on 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

                                        CalumC 1 Reply Last reply
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                                        • declanD declan

                                          @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

                                          CalumC Offline
                                          CalumC Offline
                                          Calum
                                          wrote on last edited by
                                          #26

                                          @declan Yeah mate. All I can say is good luck lmao.

                                          They poooorroopperly seize in their.

                                          The trick is to soak that part for at least a good 24 hours.

                                          And then on reassembly, grease the balls off it.

                                          That part always seizes as there is not grease nipple IIRC.

                                          But yeah that's a good one to replace as it's going to exhibit the most stress.

                                          Always Originate, Never Pirate!

                                          declanD 1 Reply Last reply
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