{"product_id":"wossner-pro-series-piston-kit-for-250cc-4-stroke-engines-3","title":"Wossner Pro Series Piston Kit for 250cc 4-Stroke Engines","description":"\u003cp\u003eElevate your motorcycle's engine performance with the Wossner Pro Series 250cc 4-stroke piston kit. Engineered for superior durability and power, this kit delivers exceptional reliability and responsiveness for demanding riders.\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eExperience a significant upgrade in your engine's heart with the Wossner Pro Series piston kit. This premium Wossner 250cc 4-stroke piston kit is meticulously forged from aerospace-grade aluminum alloy, ensuring exceptional strength and heat resistance under extreme conditions. Its optimized machining not only reduces overall weight for improved throttle response but also maintains critical strength in key areas like the crown and skirt wall cross-section, guaranteeing long-term reliability. The piston features a permanent Molybdenum Disulphite (Moly) skirt coating, specifically designed to minimize friction and prevent piston rock. This results in quieter operation, reduced wear, and a smoother break-in process for your engine. With a high compression ratio of 14.4:1, this kit is engineered to unlock maximum power and efficiency from your 250cc 4-stroke engine. The dual-ring design, featuring nitride-coated steel and cast rings, provides excellent sealing and durability. Each kit includes a precision-engineered piston (with a 75.98 mm diameter for a 76.02 mm bore), high-quality rings, a sturdy pin, and secure clips, providing everything needed for a comprehensive engine rebuild or upgrade.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerospace-Grade Forged Aluminum:\u003c\/strong\u003e Constructed from high-quality forged aluminum alloy for superior strength, heat resistance, and extended durability in demanding 250cc 4-stroke applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Moly Skirt Coating:\u003c\/strong\u003e Features a permanent Molybdenum Disulphite coating on the skirt to significantly reduce friction, minimize piston rock, and aid in a smooth engine break-in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Lightweight Design:\u003c\/strong\u003e Precision-machined for lightness without compromising structural integrity, ensuring quick throttle response and sustained strength in critical areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh 14.4:1 Compression Ratio:\u003c\/strong\u003e Engineered to boost engine performance, delivering increased power and torque for a more dynamic riding experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Piston Kit:\u003c\/strong\u003e Includes a high-performance piston, durable rings (nitride-coated steel, cast), piston pin, and retaining clips for a complete and straightforward installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Ring Durability:\u003c\/strong\u003e Equipped with a robust dual-ring setup, offering excellent sealing and longevity for consistent engine performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eType: Dual Ring\u003c\/li\u003e\n\u003cli\u003eModel: Pro Series\u003c\/li\u003e\n\u003cli\u003eUnits: Kit\u003c\/li\u003e\n\u003cli\u003eBore Size: 76.02 mm\u003c\/li\u003e\n\u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n\u003cli\u003ePiston Size: Standard Size C\u003c\/li\u003e\n\u003cli\u003eDisplacement: 250 cc\u003c\/li\u003e\n\u003cli\u003eRing Material: Nitride Coated, Steel, Cast\u003c\/li\u003e\n\u003cli\u003eSkirt Coating: Molybdenum Disulphite\u003c\/li\u003e\n\u003cli\u003ePiston Diameter: 75.98 mm\u003c\/li\u003e\n\u003cli\u003ePiston Material: Aluminum Alloy, Forged\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 14.4:1\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 8690DC\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":62381568917834,"sku":"09107086","price":220.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/98e46390bd48eeeca6d48b4b396326c8_25301c8e-ee25-40c7-b11c-5bc2421db560.webp?v=1781742652","url":"https:\/\/partsdenmark.com\/fr\/products\/wossner-pro-series-piston-kit-for-250cc-4-stroke-engines-3","provider":"Parts Denmark","version":"1.0","type":"link"}