Wossner WO-4090-DA Forged Piston Kit KTM, Husqvarna and GasGas 250
Wossner WO-4090-DA High-Compression Forged Piston Kit for KTM, Husqvarna & GasGas 250 Four-Stroke – 81.00 mm
The Wossner WO-4090-DA Forged Piston Kit is a high-compression piston designed for selected KTM, Husqvarna and GasGas 250cc four-stroke motorcycles. Manufactured from premium forged aluminium, it delivers excellent strength, piston stability and durability for demanding motocross, cross-country and enduro applications.
Featuring an 81.00 mm standard cylinder bore, 80.95 mm piston diameter, 48.50 mm stroke compatibility, 19.50 mm compression height and a 14.8:1 compression ratio, the WO-4090-DA is engineered to provide strong performance and dependable sealing. The kit includes the forged piston, piston rings, DLC-coated wrist pin and retaining clips.
- High-compression forged piston kit
- Suitable for KTM 250 SX-F 2023–2027
- Suitable for KTM 250 XC-F 2023–2027
- Suitable for KTM 250 EXC-F 2024–2026
- Suitable for Husqvarna FC 250 2023–2026
- Suitable for Husqvarna FE 250 2024–2026
- Suitable for GasGas MC 250F 2024–2025
- Suitable for GasGas EX 250F 2024–2025
- Suitable for GasGas EC 250F 2024–2025
- 81.00 mm standard cylinder bore
- 80.95 mm piston diameter
- 48.50 mm stroke compatibility
- 19.50 mm compression height
- 14.8:1 compression ratio
- Three-ring piston configuration
- RIK81.00A/2 piston ring set
- WP070DLC 16 mm wrist pin
- CW16 retaining clips
- Includes piston, piston rings, wrist pin and retaining clips
Important: Always confirm the motorcycle make, model, year and measured cylinder bore before ordering. The cylinder must be accurately measured and the correct piston grade selected to achieve the specified piston-to-cylinder clearance. Professional engine assembly is recommended.
Notice: Product images may differ from the actual product. Images are provided for illustration purposes only and may show a representative item rather than the exact part supplied.