Description
The OEM piston in your YZ125 is the heartbeat of your engine—and wear compromises both power and reliability. The Wiseco Piston Kit delivers CNC-precision engineering with high-silicone aerospace aluminum that resists heat and detonation far better than stock, giving you noticeably sharper throttle response and sustained power delivery through grueling riding conditions. If you’re serious about keeping your machine competitive, this is the upgrade that makes a measurable difference.
Technical Specifications:
- Fitment: Yamaha YZ125 (1990–1992)
- Bore Size: 56.00mm Standard
- Material: High-silicone aerospace aluminum
- CNC-machined precision tolerances
- Optimized combustion chamber design
- Enhanced heat resistance
- Installation: Requires honing/professional setup
- MPN: 594M05600
