Wiseco - Yamaha Top End Rebuild Kits

SKU: PK1390 GP Series Yamaha YZ125/X Wiseco Top End Kit – 58.00 mm Bore Wiseco’s GP Series forged 2-stroke pistons build on the tried-and-true base of the Pro-Lite. Wiseco GP Series 2-stroke pistons incorporate additional performance and durability enhancing features including an Electra-Coated crown, ring groove(s), and pin bores plus ArmorGlide skirt coating, making them perfect for endurance and sustained-RPM 2-stroke applications. From play riders putting in hard hours to consistent competition, GP Series 2-stroke pistons are up to the challenge. • Designed for endurance and sustained-RPM 2-stroke riding • Engineered, forged, and machined in the USA in Mentor, OH • Designed with optimized features for long service life and top-end power • Electra-Coated crown, ring groove and pin bore resists potential wear, combustion heat damages, and ring micro-welding • ArmorGlife skirt coating reduces friction to optimize performance potential • Extra lightening operations for enhanced throttle response • High-quality ring(s), wrist pin(s), and circlips included Notice: Product Images may differ from the actual product. Image may be a representation of this item. FITMENT: YZ125 – 2005-2022 YZ125X – 2020-2022