Athena S5F09700002A Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.95 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes WARN 5500 - 8000 Engineered for motocross and enduro

Engineered for motocross and enduro riders

reusable foam materials

or working in tight spaces

The aggressive feed screw and cutting edge pull the bit through the material while the optimized wide flute geometry quickly ejects the chips to clear the hole and reduce clogs

10" diameter

Athena S5F09700002A Cast Piston for Yamaha 450 YZF (2010-2013) - Piston Size 96.95 mm Forged 4-Stroke Piston Replacement - Motocross Dirt Bikes WARN 5500 - 8000 Engineered for motocross and enduroIf you're looking to unleash more low end torque, stronger mid range power, and overall improved performance from your Yamaha 450 YZF, the Athena S5F09700002A 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 450cc. Whether you're a weekend trail