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Fork seal replacement

Scheduled Pinned Locked Moved DTX
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  • S SpookDog

    @CalDT125

    I left my seized washers in and used them again last time, not the best solution but it worked!…
    I use silicone sealant on the bolt heads before fitting them in. After it’s all torqued up I cover the bolt and hole as well…

    I use fine wire wool to remove rust, aluminium foil works as well. Any pits I fill with chemical metal/epoxy filler-adhesive. I’ve used it on bad pits in the ‘seal zone’ before with good results. I’m sure that there’s better, proper methods of repair that I don’t know about 🙂 …

    C Offline
    C Offline
    CalDT125
    wrote on last edited by
    #20

    @SpookDog Yeah i may have to do that if it comes to it then. Hitting dead ends everywhere trying to find a set of bushes though. Cant find anywhere with the measurments you privided. I have phoned around and everywhere to main dealers and suspension specialists and all im getting is that the parts for these forks have been discontinued. May have to just look into doing a fork conversion if i cant find any or just hope that the bushes i have that come out them initially arent as mashed as they look 🤣. Not ideal but i cant see any other options

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    • C CalDT125

      @SpookDog Yeah i may have to do that if it comes to it then. Hitting dead ends everywhere trying to find a set of bushes though. Cant find anywhere with the measurments you privided. I have phoned around and everywhere to main dealers and suspension specialists and all im getting is that the parts for these forks have been discontinued. May have to just look into doing a fork conversion if i cant find any or just hope that the bushes i have that come out them initially arent as mashed as they look 🤣. Not ideal but i cant see any other options

      S Offline
      S Offline
      SpookDog
      wrote on last edited by
      #21

      @CalDT125

      Brooks suspension. It was recommended to me by a forum member, and they are top quality for not much money…

      S 1 Reply Last reply
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      • S SpookDog

        @CalDT125

        Brooks suspension. It was recommended to me by a forum member, and they are top quality for not much money…

        S Offline
        S Offline
        SpookDog
        wrote on last edited by SpookDog
        #22

        Sorry Brook suspension. Go to website:

        Then use the left hand button (looks like a = but with 3 lines) in the tool bar for:

        Front end: then
        Forks bushes: then
        Guide bushes: then
        Then change to search by product name they will be in dimensions…

        Do it with ‘slide bushes’ as well. Guide is top bushes and Slide is bottom bushes.
        Good luck, let us know if you have any problems. Or how you get on 🙂 …

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        • S SpookDog

          Sorry Brook suspension. Go to website:

          Then use the left hand button (looks like a = but with 3 lines) in the tool bar for:

          Front end: then
          Forks bushes: then
          Guide bushes: then
          Then change to search by product name they will be in dimensions…

          Do it with ‘slide bushes’ as well. Guide is top bushes and Slide is bottom bushes.
          Good luck, let us know if you have any problems. Or how you get on 🙂 …

          S Offline
          S Offline
          SpookDog
          wrote on last edited by
          #23

          It might be 40.70 x 20 x 1
          for the lower bushes. I measured with a ruler!…

          They are both on the second page of their sections 🙂 again! Good luck!…

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          • S SpookDog

            It might be 40.70 x 20 x 1
            for the lower bushes. I measured with a ruler!…

            They are both on the second page of their sections 🙂 again! Good luck!…

            S Offline
            S Offline
            SpookDog
            wrote on last edited by SpookDog
            #24

            Actually, thinking about it, they are probably 41.7 x 20 x 1
            If the fork Stantions are 41 then the bushes will be slightly wider so they are the sacrificial surface that connects. Not the stantion!…

            I was given the original dimensions in a post on this site last year. I’ll search for it later…

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            • S SpookDog

              Actually, thinking about it, they are probably 41.7 x 20 x 1
              If the fork Stantions are 41 then the bushes will be slightly wider so they are the sacrificial surface that connects. Not the stantion!…

              I was given the original dimensions in a post on this site last year. I’ll search for it later…

              S Offline
              S Offline
              SpookDog
              wrote on last edited by
              #25

              Found it! Correct size for ‘bottom’ ‘slide’ bushes are:
              41.70mm x 20mm x 1mm

              Sorry for the confusion!…

              C 1 Reply Last reply
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              • S SpookDog

                Found it! Correct size for ‘bottom’ ‘slide’ bushes are:
                41.70mm x 20mm x 1mm

                Sorry for the confusion!…

                C Offline
                C Offline
                CalDT125
                wrote on last edited by
                #26

                @SpookDog Haha no worries mate. Had me looking everywhere for 41.00mm 🤣🤣. Yeah i found another post on here and the guy had ordered them ones off brooks and said they worked perfectly so i ordered them up earlier. Ordered some paints too so should have some pretty fresh forks by the end if all goes well. Going to strip the paint off them tomorrow and address any pitting on the stancions etc

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                • C CalDT125

                  @HOTSHOT-III Absolute perfect response mate was just what i was hoping for haha thanks mate. I dont have a spare spindle unfortunately but i could definitely knock something up to do the job perfectly just needed those sizes you've provided. Cheers for that 👍

                  Hybrid_Theory01H Offline
                  Hybrid_Theory01H Offline
                  Hybrid_Theory01
                  wrote on last edited by
                  #27

                  @CalDT125 Im currently rebuilding my suspension,

                  1 Reply Last reply
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                  • C CalDT125

                    @SpookDog Haha no worries mate. Had me looking everywhere for 41.00mm 🤣🤣. Yeah i found another post on here and the guy had ordered them ones off brooks and said they worked perfectly so i ordered them up earlier. Ordered some paints too so should have some pretty fresh forks by the end if all goes well. Going to strip the paint off them tomorrow and address any pitting on the stancions etc

                    S Offline
                    S Offline
                    SpookDog
                    wrote on last edited by
                    #28

                    @CalDT125

                    Sweet! As long as you got the proper ones 😬

                    S 1 Reply Last reply
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                    • S SpookDog

                      @CalDT125

                      Sweet! As long as you got the proper ones 😬

                      S Offline
                      S Offline
                      SpookDog
                      wrote on last edited by SpookDog
                      #29

                      Also get yourself a decent size tub of red rubber grease. Grease the station bottoms when you assemble it, as well as the seals & bushes…

                      It’s wicked stuff for fitting tyres as well. Grease under the rubber strip to waterproof the spoke tops inside the rim, as well as for slipping the tyre on 🙂 …

                      It’s good with calliper piston & seals as well…

                      First time I saw it used was on ‘Wheeler Dealers’! Anton slavered it on a calliper piston with a brush! 😛 I did some searching on the web after that and was surprised I’d never seen it before…

                      S 1 Reply Last reply
                      1
                      • S SpookDog

                        Also get yourself a decent size tub of red rubber grease. Grease the station bottoms when you assemble it, as well as the seals & bushes…

                        It’s wicked stuff for fitting tyres as well. Grease under the rubber strip to waterproof the spoke tops inside the rim, as well as for slipping the tyre on 🙂 …

                        It’s good with calliper piston & seals as well…

                        First time I saw it used was on ‘Wheeler Dealers’! Anton slavered it on a calliper piston with a brush! 😛 I did some searching on the web after that and was surprised I’d never seen it before…

                        S Offline
                        S Offline
                        SpookDog
                        wrote on last edited by
                        #30

                        Has anyone who’s fitted new seals had the 1 or 2 washers that go between the top-bush and lower-seal and the 2 seals? I’ve never had 1 fitted let alone 2 …

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                        • HOTSHOT IIIH HOTSHOT III

                          @Hybrid_Theory01 said in Fork seal replacement:

                          @Hybrid_Theory01 (torque it to 25NM)

                          Do you mean the damper rod bolt at the bottom of the fork leg? This should be tightened to 62Nm with a new copper washer and Loctite. It's a safety critical fastener.

                          Hybrid_Theory01H Offline
                          Hybrid_Theory01H Offline
                          Hybrid_Theory01
                          wrote on last edited by
                          #31

                          @HOTSHOT-III yes you are right 25 mm is for the top, the bottom damper Bolt requires 62 mm, i used a new Copper washer but not loctite since Yamaha manual does not mention it

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