Description
When you’re running a Yamaha 700, piston quality directly impacts your engine’s reliability, power output, and service life. The WSM Piston Kit delivers OEM-equivalent construction with engineered improvements—particularly the advanced MOS2 coating that actively manages heat and reduces friction where it matters most. Whether you’re rebuilding after a failure or upgrading proactively, ordering the correct quantity per cylinder ensures you get a complete, matched set.
Technical Specifications:
- Manufacturer Part Number: 50-546K
- Application: Yamaha 700
- Complete Kit Contents: Piston, rings, pin, clips
- Material Quality: OEM-equivalent or better
- Piston Skirt Coating: MOS2 molybdenum disulfide
- Coating Function: Reduces friction, draws heat
- Ring Groove Tops: Specially hardened steel
- E-Clip Design: Improved retention system
- Installation: Bolt-on replacement (one per cylinder)
- Additional Rings: Available separately as needed









