Wiseco PK1191 Yamaha YZ125 02 (797M05400 2126CST) Piston

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 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
• High-quality ring(s), wrist pin(s), and circlips included