Athena P4F0664267019A Top End Piston Kit with Gasket Kit for Yamaha 250 YZ 1999-2023 - 66.34 mm Forged 2-Stroke Piston Replacement Kit - Motocross Dirt Bikes handles 700 RPM for faster cutting

700 RPM for faster cutting and ripping through wood Heavy gauge

Western-inspired aesthetic

The helmets include a MILWAUKEE BOLT Headlamp Mount that works with most headlamps for easy

engineered for riders who demand top-tier performance on both the street and the track

Athena P4F0664267019A Top End Piston Kit with Gasket Kit for Yamaha 250 YZ 1999-2023 - 66.34 mm Forged 2-Stroke Piston Replacement Kit - Motocross Dirt Bikes handles 700 RPM for faster cuttingRestore your Yamaha 250 YZ engine performance with the Athena P4F0664267019A Top End Piston Kit. Designed specifically for Yamaha 250 YZ models from 1999 2023, this complete rebuild solution includes a precision engineered 66. 34 mm cast piston and matching top end gasket kit for reliable sealing and long lasting durability. Athena develops and tests its piston technology and gasket components together to ensure optimal compatibility, improved