YZ 250 2002-23 Cylinder Works Top Vertex Piston Gasket STD Cylinder Bore 66.40mm

Top end gasket set (Vertex, Athena or Prox). Small end bearing (Vertex, Athena or Prox. Fits: Yamaha YZ 250 2002-2023. Cylinder Works Standard Bore Cylinder. Cylinder Works Standard Bore Cylinder (66.4mm) Yamaha YZ250 99-23 Fantic XX 250 22-23. ).

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