Wossner Standard Series Piston Kit for 250cc 4-Stroke

Upgrade your motorcycle's engine performance and durability with the Wossner Standard Series Piston Kit. Engineered for 250cc 4-stroke engines, this kit delivers exceptional power, reduced friction, and reliable operation for serious riders and racers.

Description

Experience superior engine reliability and enhanced power output with the Wossner Standard Series Piston Kit, specifically designed for 250cc 4-stroke motorcycles. This high-performance piston, with its precise 78.01 mm bore size and 13.2:1 compression ratio, is meticulously forged from aerospace-grade aluminum alloy, ensuring unparalleled strength and longevity under extreme conditions. The piston features an advanced Molybdenum Disulphite (Moly) skirt coating, a permanent application that significantly reduces friction, minimizes piston rock, and aids in the critical break-in process. This results in quieter operation, improved engine efficiency, and a noticeable boost in performance. Optimized machining techniques further contribute to lightness without compromising structural integrity in key areas like the crown and skirt wall cross-section. The dual ring design, utilizing nitride-coated, steel, and cast rings, provides excellent sealing and oil control. Each Wossner 250cc 4-Stroke Piston Kit comes complete with a high-quality piston, piston rings, a wrist pin, and retaining clips, providing everything needed for a comprehensive engine rebuild or upgrade.

Features & Highlights

• Reduced Friction & Enhanced Performance: Features a permanent Molybdenum Disulphite (Moly) skirt coating that minimizes friction and piston rock, leading to quieter engine operation, improved efficiency, and extended component life.
• Superior Strength & Durability: Forged from aerospace-grade aluminum alloy, ensuring exceptional resilience and reliability even under high-stress racing conditions.
• Optimized Weight & Integrity: Precision machining optimizes the piston for lightness while maintaining critical strength in the crown and skirt wall cross-section, contributing to faster engine response.
• Complete Ready-to-Install Kit: Includes a high-quality piston, durable dual piston rings (nitride coated, steel, cast), a robust wrist pin, and all necessary clips for a straightforward and complete installation.
• High Compression Ratio: Engineered with a 13.2:1 compression ratio to maximize power output and engine responsiveness for competitive riding.

Technical Specifications

• Brand: Wossner
• Product Name: Piston Kit
• Model: Standard Series
• Engine Type: 4-Stroke
• Displacement: 250 cc
• Bore Size: 78.01 mm
• Piston Diameter: 77.95 mm
• Piston Size: Standard Size B
• Compression Ratio: 13.2:1
• Piston Material: Aluminum Alloy, Forged
• Skirt Coating: Molybdenum Disulphite
• Type: Dual Ring
• Ring Material: Nitride Coated, Steel, Cast
• Units: Kit
• Vendor Part Number: 8905DB

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