Athena S5F07700007B Cast Piston for Yamaha 250 YZ F (2008-2013) - Piston Size 76.97 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes Racing Fluids Built for Kawasaki KX450 models

Built for Kawasaki KX450 models from 2019 to 2025

Trusted by professional racers and off-road enthusiasts

it delivers reliable protection and performance for racing and off-road use

The Twin Air 150234C PowerFlow Kit is a complete intake upgrade for 2025 Honda CRF250R

Braided Steel Cable is flexible and provides increased cut resistance

Athena S5F07700007B Cast Piston for Yamaha 250 YZ F (2008-2013) - Piston Size 76.97 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes Racing Fluids Built for Kawasaki KX450 modelsIf you're looking to unleash more low end torque, stronger mid range power, and overall improved performance from your Yamaha 250 YZ F, the Athena S5F07700007B is the perfect choice. Engineered in Italy by one of the world's leading powersports manufacturers, this high quality cast piston kit is specifically designed to pair with Athena's Big Bore Cylinder Kits, reliably increasing your bike's displacement from 250cc. Whether you're a weekend trail