Description
Your YZ125’s performance ceiling is limited by worn or stock pistons—and a quality replacement is the foundation of any serious build. The Wiseco 647M05450 delivers forged-aluminum durability and precision bore geometry that unlocks consistent power across the entire RPM band, whether you’re pushing lap times or enjoying recreational trail riding. When you’re running a 2-stroke, piston quality directly impacts throttle response, heat management, and engine longevity.
- Material: Forged aluminum alloy
- Bore Size: 54.50 mm (50mm overbore)
- Application: Yamaha YZ125 (2005–2025)
- Engine Type: 2-stroke
- Kit Contents: Piston, rings, wrist pin, circlips
- Weight: Lightweight design
- Cooling: Enhanced heat dissipation
- Installation: Bolt-on replacement
- MPN: 647M05450
