- New



WOSSNER offers you a high-performance 4-stroke PRM piston kit developed for riders seeking a higher level of performance. Made from premium-quality materials and advanced manufacturing technology, it optimizes combustion efficiency, reduces internal friction and improves mechanical stability at high rpm. Its reinforced design promotes excellent heat dissipation and increased resistance to mechanical stress, limiting the risk of premature wear. Ideal for competition, enduro or intensive motocross, it helps extend engine life while guaranteeing consistent performance and optimum engine response.
Fits on :
YAMAHA WR 250 F 2013
YAMAHA WR 250 F 2013
YAMAHA WR 250 F 2012
YAMAHA WR 250 F 2012
YAMAHA WR 250 F 2011
YAMAHA WR 250 F 2011
YAMAHA WR 250 F 2010
YAMAHA WR 250 F 2010
YAMAHA WR 250 F 2009
YAMAHA WR 250 F 2009
YAMAHA WR 250 F 2008
YAMAHA WR 250 F 2008
YAMAHA YZ 250 F 2013
YAMAHA YZ 250 F 2012
YAMAHA YZ 250 F 2011
YAMAHA YZ 250 F 2010
YAMAHA YZ 250 F 2009
YAMAHA YZ 250 F 2008
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