Wossner WO-4098-D_ Forged Piston Kit Kawasaki KX450F, KX450X and KX450SR
Wossner WO-4098-DB Kawasaki KX450, KX450X & KX450SR Forged Piston Kit – 12.5:1 Compression
The Wossner WO-4098-DB Forged Piston Kit is a Grade B Premium Series piston designed for selected Kawasaki KX450, KX450X and KX450SR models. Precision forged in Germany from premium aluminium, it delivers exceptional durability and performance for competition engines.
Featuring a 96.04mm bore, 95.99mm piston size, 12.5:1 Wossner compression ratio and gas-ported two-ring construction, the Grade B piston is intended for cylinders requiring the corresponding piston grade.
- Suitable for Kawasaki KX450 2024–2025
- Suitable for Kawasaki KX450X 2024–2025
- Suitable for Kawasaki KX450SR 2025
- 96.04mm bore (Grade B)
- 95.99mm piston size
- 0.01mm graded oversize
- 0.05mm piston-to-cylinder clearance
- 62.10mm stroke
- 23.80mm compression height
- 12.5:1 Wossner compression ratio
- Gas-ported two-ring Premium Series piston
- RIK96.00E piston ring set
- WP028-SP 19mm wrist pin
- CW19 retaining clips
- Connecting rod: P4090-R
- Top-end gasket: C3820
- Includes piston, piston rings, wrist pin and retaining clips
Important: Always confirm the motorcycle make, model, year and measured cylinder bore before ordering. This Grade B piston must be matched to the measured cylinder size. 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.