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DT125R FORUM

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  4. Is it easy to replace the front weel bearings

Is it easy to replace the front weel bearings

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  • rogeringR Offline
    rogeringR Offline
    rogering
    wrote on last edited by
    #1

    Is it easy to replace the front weel bearings or do I need to press them out or not just want to arrange it all before I do it ? 👍

    DartyD 1 Reply Last reply
    0
    • rogeringR rogering

      Is it easy to replace the front weel bearings or do I need to press them out or not just want to arrange it all before I do it ? 👍

      DartyD Offline
      DartyD Offline
      Darty
      wrote on last edited by
      #2

      @rogering You can do it at home with a drift and a socket no problem

      Keep it real

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      • rogeringR Offline
        rogeringR Offline
        rogering
        wrote on last edited by
        #3

        A drift ? Sorry must be having a dumb moment lol I do have a 6 ton press but it's effort as its in back of shed take half a day to get to it lol and another half putting shit back .

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        • Louis-DT-WRL Offline
          Louis-DT-WRL Offline
          Louis-DT-WR
          wrote on last edited by
          #4

          Just make sure the centre spacer is fully supported after installing new bearings or the spindle will have clamping force pulling the centre part of the bearings inwards

          rogeringR 1 Reply Last reply
          1
          • Louis-DT-WRL Louis-DT-WR

            Just make sure the centre spacer is fully supported after installing new bearings or the spindle will have clamping force pulling the centre part of the bearings inwards

            rogeringR Offline
            rogeringR Offline
            rogering
            wrote on last edited by
            #5

            @Louis-James said in Is it easy to replace the front weel bearings:

            Just make sure the centre spacer is fully supported after installing new bearings or the spindle will have clamping force pulling the centre part of the bearings inwards

            OK thanks Louis I will make sure mate 👍

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            • rogeringR Offline
              rogeringR Offline
              rogering
              wrote on last edited by
              #6

              What's a drift please boys lol ?

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              • rogeringR Offline
                rogeringR Offline
                rogering
                wrote on last edited by
                #7

                I'm about to rip the weel off after this cuppa see

                Louis-DT-WRL 1 Reply Last reply
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                • rogeringR rogering

                  I'm about to rip the weel off after this cuppa see

                  Louis-DT-WRL Offline
                  Louis-DT-WRL Offline
                  Louis-DT-WR
                  wrote on last edited by
                  #8

                  @rogering heavy weight being tapped with a hammer works

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                  • C Offline
                    C Offline
                    castrolsniffer
                    wrote on last edited by
                    #9

                    Ok so a drift is something to push the bearings in that is the same size as the bearing race u are trying to put in.
                    If you were trying to put a 20mm bearing in a 20mm hole you could use a 20mm socket to knock it nicely into place with a hammer without damaging the bearings 👍

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                    • rogeringR Offline
                      rogeringR Offline
                      rogering
                      wrote on last edited by
                      #10

                      I'm talking about removing them first boys but thanks for the info

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                      • C Offline
                        C Offline
                        castrolsniffer
                        wrote on last edited by
                        #11

                        Ah I see,get a long screwdriver and put it through one bearing so it touches the inside of other bearing and slowly tap it out,make sure to move the screwdriver so the bearing comes out strait

                        1 Reply Last reply
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                        • C Offline
                          C Offline
                          castrolsniffer
                          wrote on last edited by
                          #12

                          Also keep and clean all the seals that come out with them so u can put them back on

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                          • CalumC Offline
                            CalumC Offline
                            Calum
                            wrote on last edited by
                            #13

                            I can't recommend using the suggestions provided here.

                            The last thing you are going to want is for the front wheel bearings to collapse down the motorway at 70+ mph.

                            A key point missed off the drift is that you must ensure the drift is of softer metal than the metal you are hitting.

                            Sockets tend to be Chromium Vandium, as such incredibly hard. You will damage the bearing long before you damage the socket.

                            So you want to use a soft drift, like ally, that will take the brunt force of the impact.

                            The wheel bearings should be pulled out using a hydraulic puller.

                            Using a screw driver, or drift, and tapping it out risks damaging the hub. Which will render the wheel useless.

                            There are ways to do it. The proper way is to heat the wheel up and use a puller to carefully extract the bearing. Most don't do this as it's a fine balance between heating and distortion.

                            Definitely crank cases should be heated before bearings inserted.

                            Always Originate, Never Pirate!

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                            • DartyD Offline
                              DartyD Offline
                              Darty
                              wrote on last edited by Darty
                              #14

                              Use a Brass flat edge drift if you can.

                              You can heat the hub, but you shouldn't have to.

                              The Wheel bearings are not toleranced like crank journals, for most older offroad style hubs, you can drift bearings no trouble.

                              Makes sure you cool the Bearing before installing them into the hub, that's when you damage the outer race,

                              If you have press, use that tho!

                              Keep it real

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                              • ZrakoZ Offline
                                ZrakoZ Offline
                                Zrako
                                wrote on last edited by
                                #15

                                Put the bearings for hour or so into the freezer 👌

                                1979 Jawa Mustang 50
                                2003 Gilera DNA 125 R.I.P
                                2015 Keeway TX 125 SM
                                2006 Yamaha DT 125 X

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