Yamaha YZ250 YZ 250 1999 - 2025 66.36mm (B) Wossner Racing Piston Kit 8216DB
£178
Wössner pistons feature a unique Moly coating on the skirts and a grade of 4032 Alloy (T6) which allows the engine builder to run a closer piston to bore tolerance then he might do on another make of piston.
