Motor Kolben 68,44 mm wössner piston Wossner YAMAHA YZ 250, WR 250 88-91
€131,99
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.
