PISTON KIT 04-05 CRF250R 78.00, FORGED WOSSNER 8587DA, 13101-KRN-670

Wossner 78.00mm Forged Piston Kit

This Wossner 78.00mm forged piston kit is engineered for superior strength and exceptional durability, providing a significant upgrade for your engine. Designed with optimal heat transfer in mind, it ensures efficient cooling of the combustion chamber, leading to improved performance and longevity. The advanced elliptical design of the piston offers a uniform bearing surface, effectively reducing localized pressure and distributing thrust loads evenly. This intelligent design prevents piston collapse and maintains optimal operational integrity.

Manufactured in Germany to stringent quality standards, this Wossner piston kit represents precision engineering and reliability.

Key Features

• Forged Construction: Built for enhanced strength and extended lifespan, offering superior resistance to stress and wear.
• Optimized Heat Transfer: Promotes efficient cooling within the combustion chamber, contributing to better engine performance and durability.
• Elliptical Design: Prevents piston collapse by ensuring an even distribution of load and thrust, maintaining optimal bearing surfaces.
• German Manufacturing: Guarantees high-quality standards, precision, and reliability in every component.

Specifications

• Bore Size: 78.00mm
• Actual Bore Diameter: 77.95mm
• 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: WP070
• Ring Set Part Number: 780XAS-2
• Rod Part Number: P4001

Cross-Reference OEM Part Numbers:

• 13101-KRN-670