Athena S4C05800001A Cast Piston for Yamaha 125 YZ (1997-2025) - Piston Size 57.94 mm Forged 2-Stroke Piston Replacement - Motocross Dirt Bikes Toolbox With a load range of

With a load range of XL and a load index/speed rating of 105W

and are backed by a limited lifetime tooth break warranty

Who It’s For Shooters & Operators – Fuel up before a long day at the range or in the field

The Pirelli ANGEL ST promises a smooth and enjoyable ride

Dynatex Copper Anti-Seize is a heavy-duty

Athena S4C05800001A Cast Piston for Yamaha 125 YZ (1997-2025) - Piston Size 57.94 mm Forged 2-Stroke Piston Replacement - Motocross Dirt Bikes Toolbox With a load range ofIf you're looking to unleash more low end torque, stronger mid range power, and overall improved performance from your Yamaha YZ125, the Athena S4C05800001A 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 125cc. Whether you're a weekend trail