Manufactured by
Kit includes piston, rings, pin, clips, top end gasket kit (you get exactly what is pictured)
FORGED Series piston
Unique Features: Forged Pistons offer dyno-proven gains in performance and durability over industry standard 4032 forged pistons. ‘s exclusive forged alloy used offers lower expansion rates, allowing for tighter build tolerances and superior tensile strength at operating temperatures.
All Forged pistons come with ‘s signature features: 100% CNC-machine piston domes, hard anodized domes for reduced carbon build-up and heat resistance and M0S2 coated skirts for excellent break-in protection and properties.
Piston skirts are Molybdenum Teflon coated to minimize resistance/wear and provide extended life
Piston dome is anodized for superior heat resistance and longer lifespan
gaskets use performance materials to increase durability and provide greater reliability
Includes all gaskets pictured to rebuild top end
Kit is for standard bore size – 77.00mm
Size A piston is 76.95mm
Compatible with Yamaha models below:
2019 YZ250F
2020 WR250F
2020 YZ250F
2020 YZ250FX
2021 WR250F
2021 YZ250F
2021 YZ250FX
2022 YZ250F