Description
If you’re running a 2002-2004 YZ125, piston wear directly impacts your engine’s power delivery, fuel efficiency, and reliability. Wiseco’s forged-aluminum construction handles the high RPMs and thermal stress of both trail and competition riding, giving you the durability needed to avoid mid-season failures. This kit delivers the precision fit and performance gains that serious riders depend on.
- Forged aluminum construction
- Fits YZ125 2002-2004
- Increased strength and longevity
- Precision-engineered fitment
- Enhanced horsepower output
- Improved torque delivery
- Lightweight design
- Bolt-on installation
- Stock component compatible
- MPN: 797M05450
- Gasket set not included






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