{"product_id":"wossner-standard-series-piston-kit-for-250cc-4-stroke","title":"Wossner Standard Series Piston Kit for 250cc 4-Stroke","description":"\u003cp\u003eUpgrade 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.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eExperience 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.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Friction \u0026amp; Enhanced Performance:\u003c\/strong\u003e 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Strength \u0026amp; Durability:\u003c\/strong\u003e Forged from aerospace-grade aluminum alloy, ensuring exceptional resilience and reliability even under high-stress racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Weight \u0026amp; Integrity:\u003c\/strong\u003e Precision machining optimizes the piston for lightness while maintaining critical strength in the crown and skirt wall cross-section, contributing to faster engine response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Ready-to-Install Kit:\u003c\/strong\u003e 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Compression Ratio:\u003c\/strong\u003e Engineered with a 13.2:1 compression ratio to maximize power output and engine responsiveness for competitive riding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Wossner\u003c\/li\u003e\n\u003cli\u003eProduct Name: Piston Kit\u003c\/li\u003e\n\u003cli\u003eModel: Standard Series\u003c\/li\u003e\n\u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n\u003cli\u003eDisplacement: 250 cc\u003c\/li\u003e\n\u003cli\u003eBore Size: 78.01 mm\u003c\/li\u003e\n\u003cli\u003ePiston Diameter: 77.95 mm\u003c\/li\u003e\n\u003cli\u003ePiston Size: Standard Size B\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 13.2:1\u003c\/li\u003e\n\u003cli\u003ePiston Material: Aluminum Alloy, Forged\u003c\/li\u003e\n\u003cli\u003eSkirt Coating: Molybdenum Disulphite\u003c\/li\u003e\n\u003cli\u003eType: Dual Ring\u003c\/li\u003e\n\u003cli\u003eRing Material: Nitride Coated, Steel, Cast\u003c\/li\u003e\n\u003cli\u003eUnits: Kit\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 8905DB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":62381570654538,"sku":"09107120","price":2415.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/6bfa08f00e41d1542593858f849be5b8_e88684e9-b05e-4f9b-b6ef-2997dc80940a.webp?v=1781742724","url":"https:\/\/partsdenmark.se\/products\/wossner-standard-series-piston-kit-for-250cc-4-stroke","provider":"Parts Denmark","version":"1.0","type":"link"}