Wössner Kolben Yamaha WR | YZ 250 1988-1991 diameter:67.94 The optimized transfer port layout

The optimized transfer port layout was tuned for clean power delivery – from traffic lights to top speed

The 2-ring piston ensures maximum sealing and long durability – ideal for frequent riders and daily use

Hochwertige Legierung – Thermisch beständig

KTM: EXC520 00-02

The BARIKIT connecting rod for the Honda CRF 150 was specifically developed for this class's compact four-stroke engine

Wössner Kolben Yamaha WR | YZ 250 1988-1991 diameter:67.94 The optimized transfer port layoutWssner forged pistons for Yamaha YZ 250. In our service we also offer you the opportunity to get your cylinder back in shape. Suitable for: Yamaha WR 250 1988 1991 Yamaha YZ 250 1988 1991