Description
If you’re running a KTM 125 SX and want measurable improvements in throttle response and engine reliability, a quality piston upgrade is one of the most direct paths to better performance. The Wiseco Pro-Lite Piston Kit delivers CNC-machined precision and lightweight construction that reduces rotational mass, translating to quicker acceleration and more responsive power delivery. Built from aerospace-grade aluminum and engineered for durability under sustained high-RPM conditions, this piston is designed to outlast stock components while maintaining the exact fitment your bike demands.
- Wiseco Pro-Lite Piston Kit
- KTM 125 SX (1998–2000)
- MPN: 740M05425
- CNC-machined aluminum construction
- Aerospace-grade forged aluminum
- Reduced rotational mass
- Optimized piston geometry
- Improved throttle response
- Enhanced torque delivery
- Extended engine longevity
- Bolt-on installation compatible
- OEM-exact fitment
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