PISTON KIT 03-16 CRF230F 65.50, FORGED WOSSNER 8774DA, 13101-KFB-750

Wossner 65.50mm forged piston kit is designed for strength and durability. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability.

Features

• Forged construction for enhanced strength and longevity
• Optimized heat transfer for improved engine performance
• Elliptical design prevents piston collapse and ensures even load distribution
• Manufactured in Germany for high-quality standards

Specifications

• Bore Size: 65.50mm
• Actual Bore Diameter: 65.46mm
• Displacement: 230 cm³
• Stroke: 66.20mm
• Clearance: 0.04mm
• Wossner Compression Ratio: 11.00:1
• OEM Compression Ratio: 9.00:1
• Dome Volume: +3.10 cm³
• Compression Height: 21.20mm
• Gasket Part Number: D4002
• Lock Part Number: CW15
• Pin Part Number: WP011
• Ring Set Part Number: 655XKS
• Rod Part Number: P4053 (2003 – on)

Cross-Reference OEM Part Numbers

• 13101-KFB-750
• Part No: 56-W4816.WO.A
• Wossner Part No: 8774DA

Vehicle Fitments

• Honda CRF230F (2003 – 2009, 2012 – 2015)