Athena S4C05800001A Cast Piston for Yamaha 125 YZ (1997-2025) - Piston Size 57.94 mm Forged 2-Stroke Piston Replacement - Motocross Dirt Bikes WARN ProVantage With Milwaukee's new FLUID-DRIVE Hydraulic

With Milwaukee's new FLUID-DRIVE Hydraulic Powertrain

enjoy a stylish Maglock logo keychain included with your purchase

Your Enduro Dirt Bike will be given a new life with our OEM quality plastics

and demanding jobsite applications with ease

and unique steel

Athena S4C05800001A Cast Piston for Yamaha 125 YZ (1997-2025) - Piston Size 57.94 mm Forged 2-Stroke Piston Replacement - Motocross Dirt Bikes WARN ProVantage With Milwaukee's new FLUID-DRIVE HydraulicIf 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