234M07050 Yamaha Wiseco Piston Kit – 70.50 Mm Bore YZ250 76-79 IT250 78-80 Available for many popular applications

Available for many popular applications

Ring designs and materials are tested and validated for durability and performance

Wiseco’s Pro-Lite is the forged 2-stroke piston that started it all

21" Front tube

Clutch Spring Kit

234M07050 Yamaha Wiseco Piston Kit – 70.50 Mm Bore YZ250 76-79 IT250 78-80 Available for many popular applicationsWiseco 2 Stroke Forged Series Piston Kit, 70. 50 mm Bore Wisecos legacy is rooted in 2 stroke piston manufacturing and performance, dating over 80 years ago back to 1941. Today, Wiseco 2 stroke pistons are the result of decades of experience, incorporating the latest in 2 stroke piston manufacturing and design to deliver the performance Wiseco built its name on. Engineered, forged, and machined in the USA in Mentor, OH Designed and built for each