

PROX offers you a forged piston kit designed for high-performance 2-stroke engines, providing an excellent combination of power, reliability and durability under the most demanding conditions. Made from high-quality forged aluminum, this piston provides optimum resistance to heat, high stress and wear, while guaranteeing constant engine stability even at high engine speeds. Its precision design improves combustion chamber tightness to optimize compression, combustion and overall engine efficiency. Thanks to its reinforced structure and optimized weight, it promotes rapid rev-up, improved engine responsiveness and longer life for internal components.
Fits on :
YAMAHA WR 250 F 2026
YAMAHA WR 250 F 2025
YAMAHA WR 250 F 2024
YAMAHA WR 250 F 2023
YAMAHA WR 250 F 2022
YAMAHA WR 250 F 2021
YAMAHA WR 250 F 2020
YAMAHA YZ 250 F 2026
YAMAHA YZ 250 F 2026
YAMAHA YZ 250 F 2025
YAMAHA YZ 250 F 2025
YAMAHA YZ 250 F 2025
YAMAHA YZ 250 F 2024
YAMAHA YZ 250 F 2024
YAMAHA YZ 250 F 2023
YAMAHA YZ 250 F 2023
YAMAHA YZ 250 F 2022
YAMAHA YZ 250 F 2022
YAMAHA YZ 250 F 2021
YAMAHA YZ 250 F 2021
YAMAHA YZ 250 F 2020
YAMAHA YZ 250 F 2019
YAMAHA YZ 250 FX 2026
YAMAHA YZ 250 FX 2025
YAMAHA YZ 250 FX 2024
YAMAHA YZ 250 FX 2023
YAMAHA YZ 250 FX 2022
YAMAHA YZ 250 FX 2021
YAMAHA YZ 250 FX 2020
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