{"product_id":"wossner-pro-series-piston-kit-for-250cc-4-stroke-engines-4","title":"Wossner Pro Series Piston Kit for 250cc 4-Stroke Engines","description":"\u003cp\u003eUpgrade your motorcycle's performance and reliability with the high-quality Wossner Pro Series Piston Kit. Engineered for demanding riders, this premium \u003cstrong\u003eWossner 250cc 4-Stroke Piston Kit\u003c\/strong\u003e delivers exceptional durability and reduced friction, ensuring a quieter, more powerful engine.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eExperience superior engine performance with the Wossner Pro Series Piston Kit, meticulously crafted for 250cc 4-stroke engines. This advanced \u003cstrong\u003emotorcycle piston kit\u003c\/strong\u003e features pistons forged from aerospace-grade aluminum alloy, guaranteeing exceptional strength and a lightweight design. Wossner's optimized machining process maintains critical material integrity in key areas like the crown and skirt wall cross-section, providing a perfect balance of lightness and structural robustness. Each piston is treated with a permanent Molybdenum Disulphite (Moly) skirt coating. This advanced coating significantly reduces friction and minimizes piston rock, leading to a quieter operation, improved power delivery, and an extended engine lifespan. The kit's dual-ring design, coupled with nitride-coated steel and cast rings, ensures optimal sealing and wear resistance. With a high compression ratio of 14.4:1, this \u003cstrong\u003ehigh-performance piston\u003c\/strong\u003e is designed to maximize your engine's power output and efficiency, making it an ideal choice for a complete \u003cstrong\u003eengine rebuild kit\u003c\/strong\u003e or performance upgrade.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e    \u003cli\u003e\n\u003cstrong\u003eAdvanced Friction Reduction:\u003c\/strong\u003e Features a permanent Molybdenum Disulphite (Moly) skirt coating that dramatically reduces friction and piston rock, promoting quieter operation and enhanced engine performance.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eAerospace-Grade Forged Construction:\u003c\/strong\u003e Crafted from premium aerospace-grade aluminum alloy, ensuring exceptional strength, durability, and a lightweight design for demanding riding conditions.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eOptimized Lightness \u0026amp; Strength:\u003c\/strong\u003e Utilizes precision machining to achieve optimal lightness while maintaining critical strength in key areas like the piston crown and skirt wall cross-section.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eComplete Piston Rebuild Kit:\u003c\/strong\u003e Each Wossner Pro Series kit includes the high-quality piston, dual rings (nitride coated, steel, cast), piston pin, and retaining clips, providing everything needed for a comprehensive refresh.\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eEnhanced Engine Longevity:\u003c\/strong\u003e Designed to assist in engine break-in and reduce wear, contributing to a longer, more reliable engine life.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Wossner\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Pro Series\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eEngine Type:\u003c\/strong\u003e 4-Stroke\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eDisplacement:\u003c\/strong\u003e 250 cc\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Dual Ring\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 76.01 mm\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003ePiston Diameter:\u003c\/strong\u003e 75.97 mm\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003ePiston Size:\u003c\/strong\u003e Standard Size B\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003ePiston Material:\u003c\/strong\u003e Forged Aluminum Alloy\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eSkirt Coating:\u003c\/strong\u003e Molybdenum Disulphite\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 14.4:1\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eRing Material:\u003c\/strong\u003e Nitride Coated, Steel, Cast\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eUnits:\u003c\/strong\u003e Kit\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eMPN\/SKU:\u003c\/strong\u003e 09107085\u003c\/li\u003e    \u003cli\u003e\n\u003cstrong\u003eVendor Part Number:\u003c\/strong\u003e 8690DB\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":62381568950602,"sku":"09107085","price":220.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/98e46390bd48eeeca6d48b4b396326c8_a47b8141-a297-4642-ab81-00a3c4952909.webp?v=1781742654","url":"https:\/\/partsdenmark.com\/products\/wossner-pro-series-piston-kit-for-250cc-4-stroke-engines-4","provider":"Parts Denmark","version":"1.0","type":"link"}