PISTON KIT YFM YFB250 73.00, WOSSNER FORGED 8659D200
Wossner 73mm Bore Forged Piston Kit (8659D200) is a high-performance piston designed for Yamaha models. It features a high-strength forged construction, optimized heat transfer for improved combustion efficiency, and an elliptical design for even thrust load distribution, reducing localized pressure. Manufactured in Germany, this piston maintains the OEM compression ratio. Specifications include a bore size of 73mm, actual bore diameter of 72.94mm, OEM compression ratio of 9.50:1, displacement of 229cc, stroke of 58.00mm, clearance of 0.06mm, dome volume of -4.70cm³, and compression height of 23.80mm. Cross-reference OEM part numbers include Lock P/N CW16, Pin P/N WP041, and Ring Set P/N 730XDS.
- SKU
- 56-W4675+200.WO
- Brand
- Wossner
- Availability
- In Stock (1)
FULL DESCRIPTION
Wossner Forged Piston Kit - 73.00mm Bore
Upgrade your engine with the Wossner 73mm Bore Piston Kit (Part No. 8659D200). This high-performance forged piston is engineered in Germany to deliver superior strength, durability, and optimized combustion efficiency. Its innovative elliptical design ensures even load distribution across the piston's surface, effectively reducing localized pressure and preventing premature wear or collapse.
Key Features:
- High-strength forged piston construction for maximum reliability.
- Advanced design optimizes heat transfer within the combustion chamber for improved performance.
- Elliptical piston shape ensures even thrust load distribution, enhancing longevity.
- Precision manufactured in Germany to exacting standards.
- Maintains the Original Equipment Manufacturer (OEM) compression ratio for seamless integration and reliable engine operation.
Specifications:
- Bore Size: 73mm
- Actual Bore Diameter: 72.94mm
- Compression Ratio: OEM
- OEM Compression Ratio: 9.50:1
- Displacement: 229cc
- Stroke: 58.00mm
- Clearance: 0.06mm
- Dome Volume: -4.70cm³
- Compression Height: 23.80mm
Included Components (Part Numbers):
- Lock Piston Pin Retainers: CW16
- Piston Pin: WP041
- Piston Ring Set: 730XDS
