

PROX offers you a piston kit designed for high-performance 4-stroke engines, providing an excellent combination of power, reliability and durability under the most demanding operating conditions. Made from high-grade aluminum, this piston ensures optimum resistance to heat, high pressure and wear, while guaranteeing constant engine stability at high revs. Its precision design improves combustion chamber sealing to optimize compression, combustion and overall engine efficiency. Thanks to its robust, balanced structure, it promotes improved engine responsiveness, efficient revving and consistent performance throughout the operating range.
Fits on :
YAMAHA WR 250 F 2017
YAMAHA WR 250 F 2017
YAMAHA WR 250 F 2016
YAMAHA WR 250 F 2016
YAMAHA WR 250 F 2015
YAMAHA WR 250 F 2015
YAMAHA YZ 250 F 2015
YAMAHA YZ 250 F 2014
YAMAHA YZ 250 FX 2016
YAMAHA YZ 250 FX 2015
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