PISTON KIT YFM YFB250 72.50, WOSSNER FORGED 8659D150
Wossner 72.50mm Bore Piston Kit part number 8659D150 is a high-performance forged piston designed for Yamaha models. This piston optimizes heat transfer and features an elliptical design for even load distribution, preventing localized pressure and piston collapse. Manufactured in Germany, this piston maintains the OEM compression ratio for reliable engine performance. Features include high-strength forged construction, optimized heat transfer, and an elliptical design for even thrust load distribution. Specifications include a 72.50mm bore size, 72.44mm actual bore diameter, OEM compression ratio of 9.50:1, 229cc displacement, 58.00mm stroke, 0.06mm clearance, -4.70cm³ dome volume, and 23.80mm compression height. Cross-reference OEM part numbers include Lock P/N CW16, Pin P/N WP041, and Ring Set P/N 725XDS.
- SKU
- 56-W4675+150.WO
- Brand
- Wossner
- Availability
- In Stock (2)
FULL DESCRIPTION
Wossner Forged Piston Kit for Yamaha 250cc Engines
Upgrade your Yamaha engine with this high-performance Wossner Forged Piston Kit. Designed for optimal power and durability, this kit is engineered to meet the demands of performance enthusiasts. The forged construction provides superior strength and resilience, ensuring reliable operation under demanding conditions.
This piston kit features an advanced elliptical design that promotes even load distribution across the piston surface. This intelligent design minimizes localized pressure points, helping to prevent piston collapse and extend engine life. Furthermore, the piston is optimized for heat transfer, contributing to improved combustion efficiency and consistent engine performance. Manufactured in Germany, this piston meets high standards of quality and precision.
Key Features:
- High-strength forged piston construction for maximum durability.
- Elliptical design ensures even thrust load distribution, reducing stress.
- Optimized heat transfer for enhanced combustion efficiency.
- Precision manufactured in Germany for superior quality.
- Maintains OEM compression ratio for reliable engine operation.
Specifications:
- Bore Size: 72.50mm
- Actual Bore Diameter: 72.44mm
- Compression Ratio: OEM (9.50:1)
- Displacement: 229cc
- Stroke: 58.00mm
- Clearance: 0.06mm
- Dome Volume: -4.70cm³
- Compression Height: 23.80mm
Included Components:
- Piston
- Lock P/N: CW16
- Pin P/N: WP041
- Ring Set P/N: 725XDS
