PISTON KIT 06-13 YFZ450 94 B, FORGED WOSSNER 8784DB
Wossner forged piston kit with a 95.01mm bore and 94.96mm diameter. Manufactured in Germany, this piston offers superior strength and design, ensuring optimal heat transfer to cylinder walls. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Features forged construction for superior strength, optimized heat transfer for efficient combustion, and an elliptical design for uniform load distribution. Specifications include a bore of 95.01mm, diameter of 94.96mm, display of 449 cm³, stroke of 63.40mm, clearance of 0.05mm, Wossner compression ratio of 11.60:1, OEM compression ratio of 11.40:1, dome volume of -8.50 cm³, and compression height of 25.10mm. Cross-reference OEM part numbers include Wossner Piston Yamaha YFZ450 (PN# 8784DB), Lock P/N: CW20, Pin P/N: WP029, and Ring Set P/N: 950XDS.
- SKU
- 56-W250.B.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit - Precision Engineering for Enhanced Performance
Upgrade your vehicle's engine with this high-performance forged piston kit from Wossner. Engineered in Germany, this piston is designed for superior strength, durability, and optimal thermal management. Its advanced elliptical design ensures uniform load distribution and heat transfer, leading to more efficient combustion and extended engine life.
Key Features:
- Forged Construction: Provides exceptional strength and resilience under high performance conditions.
- Optimized Heat Transfer: Facilitates efficient heat dissipation to the cylinder walls, contributing to stable engine temperatures and performance.
- Elliptical Piston Design: Promotes a uniform bearing surface, even under thermal expansion, by evenly distributing thrust loads and preventing localized pressure points.
- Precision Manufactured in Germany: Guarantees high quality craftsmanship and adherence to stringent manufacturing standards.
Technical Specifications:
- Bore: 95.01mm
- Diameter: 94.96mm
- Displacement (cm³): 449
- Stroke (mm): 63.40
- Clearance (mm): 0.05
- Wossner Compression Ratio: 11.60:1
- OEM Compression Ratio: 11.40:1
- Dome Volume (cm³): -8.50
- Compression Height (mm): 25.10
Included Components:
- Piston
- Lock P/N: CW20
- Pin P/N: WP029
- Ring Set P/N: 950XDS


