Description
The Wiseco Piston Kit Standard 67.50mm is engineered for KTM 250 SX and 250 EXC riders who demand reliable power delivery and engine longevity. High-silicon aluminum construction combined with precision CNC machining ensures exact tolerances that maximize combustion efficiency and throttle response. If you’re running stock pistons, this upgrade delivers measurable gains in horsepower and torque while maintaining the durability required for aggressive off-road conditions.
- High-silicon aluminum alloy
- CNC-machined precision tolerances
- Low thermal expansion rate
- Reduced friction design
- Bore diameter: 67.50mm
- KTM 250 SX (1990–1994)
- KTM 250 EXC (1990–1994)
- Wiseco MPN: 601M06750
- Bolt-on installation
- Enhanced combustion efficiency
