PISTON KIT 03-09 CRF230F 66.00, FORGED WOSSNER 8774D050

Wossner 66.00mm 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: 66.00mm


• Actual Bore Diameter: 65.96mm


• 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: 660XKS


• Rod Part Number: P4053 (2003 - on)

Cross-Reference OEM Part Numbers

• Part No: 56-W4816+050.WO


• Wossner Part No: 8774D050

Vehicle Fitments

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