WOSSNER 78mm FORGED PISTON KIT C, HONDA CRF250R 2004-2007, CRF250X 2004-2017

Wossner 78.02mm 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: 78.02mm
• Actual Bore Diameter: 77.97mm
• Displacement: 249 cm³
• Stroke: 52.20mm
• Clearance: 0.05mm
• Wossner Compression Ratio: OEM
• OEM Compression Ratio: 12.90:1
• Dome Volume: -1.00 cm³
• Compression Height: 18.90mm
• Gasket Part Number: D4004
• Lock Part Number: CW16
• Pin Part Number: WP059
• Ring Set Part Number: 780XAS-2
• Rod Part Number: P4001

Cross-Reference OEM Part Numbers

• Part No: 56-W4829.C.WO
• Wossner Part No: 8587DC

Vehicle Fitments

• Honda CRF250R (2004 - 2005)
• Honda CRF250X (2004 - 2005)

Majority of our listings are for a direct replacement for your original part.

Our parts are made of quality and are designed to meet or exceed the original OEM Standards.

Our products are often a cost effective alternative to genuine OEM Parts.

Please note: the models of bike we state in our listings are for general guidance only. Please make sure this item will fit your bike before purchasing. Also, we cannot guarantee fitment to any non-UK models.