Wiseco YZ250 2002-2025 Piston Kit with Gaskets PK1198

A worn or damaged piston directly compromises your YZ250's power delivery and engine reliability. This Wiseco kit gives you everything needed for a complete top-end rebuild without sourcing individual components separately. If you're serious about maintaining peak performance on the track or trail, a quality piston kit is non-negotiable.

Wiseco's high-silicone forged construction minimizes thermal expansion under load, meaning tighter tolerances and more consistent performance across varying riding conditions. The included ring set, wrist pins, circlips, and gaskets are engineered as a system—Wiseco rings are not interchangeable with aftermarket competitors, so this integrated approach ensures reliability where it matters most.

Whether you're rebuilding after a seizure or refreshing a high-mileage top-end, this kit delivers the durability and efficiency serious YZ250 owners expect.

• Fits: 2002–2025 YZ250
• Material: High-silicone forged
• Includes: Pistons, rings, wrist pins
• Includes: Circlips, top-end gasket set
• Installation: Professional fabrication recommended
• Ring compatibility: Wiseco only
• Benefit: Lower thermal expansion
• Benefit: Enhanced durability
• MPN: PK1198