2022-2025 Yamaha YZ125 / YZ125X Wiseco Piston Prolite

Designed for all-purpose 2-stroke riding

Engineered, forged, and machined in the USA in Mentor, OH

Great value for reliable fun factor

Refreshed performance from the track to the trail

Dedicated forging design for strength-to-weight optimization

Extra lightening operations for enhanced throttle response

Includes high-quality piston rings, wrist pin, and circlips

Pro-Lite 2-Stroke Series

Bore: 58.00mm

Part Number: 899M05800