Description
A piston assembly is the heart of your engine’s power delivery, and choosing the right one directly impacts performance, reliability, and longevity. The WSM Piston Assembly for Yamaha engines delivers OEM-quality construction with engineered improvements—including a MOS2 coating that actively reduces friction and heat while strengthening critical wear surfaces. Whether you’re rebuilding after a top-end refresh or upgrading a high-mileage engine, this assembly gives you the durability to handle sustained power demands without compromise.
Key Features:
- Meets/exceeds OEM quality
- Improved E-clip design
- MOS2-coated skirts reduce friction
- Enhanced heat dissipation
- Specially hardened ring grooves
- Includes piston, rings, pin, clips
- Additional rings available separately
- Order one per cylinder
- Fits Yamaha applications
- MPN: 010-872K
