Vertex Piston Kit YZ-WR125 05-21/XE-XX125 21-22 (53.95mm) Pro Race Motocross MX. We are an authorised distributor for Vertex products. Yamaha YZ-WR125 05-21/XE-XX125 21-22 (53.95mm) - Pro Race For 2 Stroke Engines Piston Size: 53 If you order before 12PM we'll aim to dispatch same day from our UK warehouse. This product comes with free 60-day no quibble returns (UK only).
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