PISTON KIT YFM YFB250 72.50, WOSSNER FORGED 8659D150

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