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 is a direct OEM replacement

is a direct OEM replacement (replaces BRP part numbers) that outperforms stock paper filters by delivering superior airflow

and demanding jobsite applications with ease

5"" Diameter Compatibility: Precision-sized for 10

for easy transport to and from the job site with folding legs

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 is a direct OEM replacementIf 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