Description
When you’re pushing a KTM 85 SX to its limits, a worn or failing piston compromises power delivery and reliability. The Wossner 8147DB gives you a factory-quality replacement with German engineering and advanced friction-reducing coatings that restore—and exceed—OEM performance. Complete with rings, pin, and clips, this is a straightforward bolt-in rebuild that keeps you competitive without guesswork.
- 4032 T6 forged aluminum alloy
- Permanent skirt coating
- Reduces friction and piston rock
- T6 heat-treated for durability
- Optimized via Finite Element Analysis
- German-forged precision engineering
- Diameter: 46.96mm
- Fits KTM 85 SX 2003-2023
- Complete kit: piston, rings, pin, clips
- 2-stroke engine application








