PISTON KIT 06-09 CRF250R X 78, FORGED WOSSNER 8656DB

Wossner 78.01mm High-Compression Forged Piston Kit

Enhance your engine's performance with this high-compression forged piston kit from Wossner. Engineered in Germany, this piston is designed for optimal heat transfer, ensuring efficient cooling of the combustion chamber. Its advanced elliptical design promotes a uniform bearing surface, effectively reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. This results in a stronger, more durable, and higher-performing engine.

Key Features

• High-Compression Design: Boosts engine performance for superior power output.
• Forged Construction: Provides exceptional strength and longevity for demanding applications.
• Optimized Heat Transfer: Ensures efficient cooling of the combustion chamber, maintaining peak performance.
• Elliptical Design: Prevents piston collapse and guarantees even load distribution for enhanced durability.
• Precision Manufacturing: Made in Germany to rigorous quality standards.

Specifications

• Bore Size: 78.01mm
• Actual Bore Diameter: 77.97mm
• Displacement: 249 cm³
• Stroke: 52.20mm
• Clearance: 0.04mm
• Wossner Compression Ratio: 13.50:1
• OEM Compression Ratio: 12.90:1
• Dome Volume: -0.90 cm³
• Compression Height: 24.00mm
• Theoretical Weight: 19.00g
• Gasket Part Number: D4004
• Lock Part Number: CW16
• Pin Part Number: WP059
• Ring Set Part Number: 780XAS

Cross-Reference Information

• Wossner Part Number: 8656DB