Description
If you’re rebuilding your KTM 250 SX-F or pushing it to the limit on the track, a quality piston kit is non-negotiable—it’s the foundation of reliable power delivery and engine longevity. The Wiseco 78mm 13.9:1 compression piston kit gives you the precision engineering and durable construction needed to handle sustained high RPM performance without compromise. Whether you’re replacing worn components or optimizing your engine’s compression ratio, this kit delivers the repeatability and strength that professional racers and serious hobbyists demand.
- Bore diameter: 78mm
- Compression ratio: 13.9:1
- Forged aluminum construction
- High-temperature resistant
- Lightweight design
- KTM 250 SX-F 2013-2015
- Standard bolt-on installation
- Gasket kit sold separately
- MPN: 40074M07800
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