899M05400 Yamaha YZ125 22-25 Wiseco Piston Kit – 54mm Bore K2 Plus has been extensively

K2 Plus has been extensively tested and developed under maximum load racing conditions

gearbox and oil immersed (wet) clutch

Dedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio

Available as individual components and complete kits

Wiseco knows top end bearings are crucial to your top end rebuild

899M05400 Yamaha YZ125 22-25 Wiseco Piston Kit – 54mm Bore K2 Plus has been extensivelyWiseco 2 Stroke Pro Lite Series Piston Kit, 54. 00 mm Bore Wisecos Pro Lite is the forged 2 stroke piston that started it all! Wiseco Pro Lite forged 2 stroke pistons are the result of decades of experience, incorporating the latest in 2 stroke piston manufacturing and design in a part built for all purpose 2 stroke riding. Designed to offer great value, great reliability, and great performance, Pro Lite is the staple of 2 stoke pistons! Designed for