Wossner WO-4086-DA Forged Piston Kit Yamaha YZ450F, WR450F and YZ450FX
Wossner WO-4086-DA Premium Series Forged Three-Ring Piston Kit for Yamaha YZ450F, WR450F & YZ450FX – 13.5:1 Compression
The Wossner WO-4086-DA Forged Piston Kit is a Premium Series high-compression piston developed for the latest Yamaha YZ450F, WR450F and YZ450FX four-stroke engines. Manufactured from premium forged aluminium, this three-ring piston is engineered to deliver exceptional durability, improved sealing and increased performance for motocross, cross-country and enduro competition.
Featuring a 97.00 mm cylinder bore, 96.96 mm piston size and a 13.5:1 compression ratio, the WO-4086-DA provides increased performance while maintaining excellent reliability. Each kit includes the forged piston, piston rings, wrist pin and retaining clips for a complete top-end rebuild.
- Premium Series forged three-ring piston kit
- Suitable for Yamaha YZ450F 2023–2027
- Suitable for Yamaha WR450F 2024–2026
- Suitable for Yamaha YZ450FX 2024–2026
- 97.00 mm bore
- 96.96 mm piston size
- 13.5:1 compression ratio
- Three-ring piston design
- RIK97.00 piston ring set
- WP072-SP wrist pin
- CW18 retaining clips
- Includes piston, rings, wrist pin and retaining clips
Important: Always confirm your motorcycle make, model, year and measured cylinder bore before ordering. Graded pistons should be selected according to the measured cylinder size to achieve the correct piston-to-cylinder clearance.
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.