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Dirt Bike Wheel Truing Jig

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  • #16
    I just purchased this 1984 Yamaha YZ125 L front wheel.
    I strapped it into the truer to see how bad it is.
    Very straight.
    The original welded joint is cracking so I removed the tyre to see how bad.
    The spokes are all locked too.
    I have sprayed them with oil and will free them over the coming weeks.

    Ji
    Attached Files
    Grip it and Rip it

    Comment


    • #17
      With tyre off and spokes oiled.

      Ji
      Attached Files
      Grip it and Rip it

      Comment


      • #18
        After removing the tyre yesterday and spraying all the spokes with penetration oil and leaving over night, today I started trying to loosen the nipples.
        With the correct size spanner I only used enough force to free the nipple. If more torque is used the square edges on the ali nipples will round and make it impossible to remove without cutting the spoke.
        Once moving I used a Phillips head screw driver to speed up the removal.
        Wire brush all the surfaces and anti-seize grease the nipple and spoke threads.
        Also grease the nipple socket in the rim as this is where most of the friction is.


        Ji
        Attached Files
        Grip it and Rip it

        Comment


        • #19
          With the screw driver I installed the nipple to the required tension.
          Don't remove all the spokes at once as I have found on these old rims the original welded joint will let go and start cracking.
          Always leave a rim tensioned.
          Be patient, if a nipple will not turn spray some more oil on it and move on to the next one. This process will take a while but will be worth it in the end especially with hard to find spokes like these Z spokes.


          Ji
          Attached Files
          Grip it and Rip it

          Comment

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