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  1. #1

    gp1200 piston replacement

    The new piston from WSM says thrust washers not required. Does anyone know why? This is a 84mm stock piston. Will it hurt to install the thrust washers anyway?

  2. #2

    Join Date
    Jun 2009
    Spartanburg,South Carolina
    the bearing that comes with the WSM is longer,no washers needed.

  3. #3

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