Athena S4C05800001B Cast Piston for Yamaha 125 YZ (1997-2025) - Piston Size 57.95 mm Forged 2-Stroke Piston Replacement - Motocross Dirt Bikes O2 RUSH HIGH PERFORMANCE AIR FILTERS The shock-absorbing end caps have

The shock-absorbing end caps have anti-slip wall grips and are removable for flush measuring in corners

Tailored for Honda XR80/CRF80 (1998-2016)

side panels

Be sure to check out the Machined Black wheels as well

Athena S4C05800001B Cast Piston for Yamaha 125 YZ (1997-2025) - Piston Size 57.95 mm Forged 2-Stroke Piston Replacement - Motocross Dirt Bikes O2 RUSH HIGH PERFORMANCE AIR FILTERS The shock-absorbing end caps haveIf 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