Athena S4C05800001B Cast Piston for Yamaha 125 YZ (1997-2025) - Piston Size 57.95 mm Forged 2-Stroke Piston Replacement - Motocross Dirt Bikes sherpa accessories Push your sportbike to the

Push your sportbike to the next level with the Pirelli Diablo Rosso IV 190/50ZR17 rear motorcycle tire

easy-to-install fit on most UTV doors

Power to Clear From 15' Full Throttle In Under 1 Second Up to 4 lbs

it’s ultra-lightweight and designed to fit smaller frames without compromising safety

Athena S4C05800001B Cast Piston for Yamaha 125 YZ (1997-2025) - Piston Size 57.95 mm Forged 2-Stroke Piston Replacement - Motocross Dirt Bikes sherpa accessories Push your sportbike to theIf you're looking to unleash more low end torque, stronger mid range power, and overall improved performance from your Yamaha YZ125, the Athena S4C05800001B 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