Description
If you’re running a KX125 and want measurable gains in compression ratio and power delivery, a quality piston kit is non-negotiable. The Wiseco +.50mm piston gives you that precision-forged reliability under high RPM stress while maintaining the ring sealing integrity you need for consistent performance. Whether you’re prepping for competition or maximizing trail-riding capability, this is the core upgrade that justifies the machine work.
Wiseco engineered this piston with high-silicon aluminum and E-coated surfaces to resist the wear patterns that plague stock units. The strutted forgings keep things rigid when boost and detonation pressures spike, and the reduced machining on the GP Series design ensures tighter tolerances where it matters most—ring groove fit and compression chamber geometry.
- 54mm bore diameter
- +.50mm oversized
- High-silicon aluminum
- Precision-forged construction
- E-coated crown & grooves
- Ultra-stiff strutted forgings
- Enhanced compression ratio
- Superior wear resistance
- Kawasaki KX125 fitment
- MPN: 652M05450
- Bolt-on installation
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