{"product_id":"wossner-standard-series-piston-kit-for-250cc-4-stroke-engines","title":"Wossner Standard Series Piston Kit for 250cc 4-Stroke Engines","description":"\u003cp\u003eElevate your motorcycle's engine performance and reliability with the \u003cstrong\u003eWossner Standard Series Piston Kit\u003c\/strong\u003e. Engineered for 250cc 4-Stroke engines, this high-performance piston replacement ensures superior durability and power output, making it an essential component for any serious rebuild or upgrade.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\nThe Wossner Standard Series Piston Kit is meticulously crafted to deliver exceptional performance and longevity for your 250cc 4-Stroke engine. Each piston is precision-forged from aerospace-grade aluminum alloy, providing an optimal balance of strength and reduced weight. This advanced construction, combined with optimized machining in critical areas like the crown and skirt wall, ensures sustained integrity under extreme operating conditions. The piston features a permanent Molybdenum Disulphite (Moly) skirt coating, specifically designed to minimize friction, reduce piston rock, and aid in the critical break-in period. This results in quieter operation, improved engine efficiency, and extended engine life. With a bore size of 73.50 mm and an oversize of +0.50 mm, alongside a robust 10.2:1 compression ratio, this Wossner piston kit is engineered to meet and exceed the demands of high-performance motorcycle applications. The comprehensive kit includes the piston, high-quality nitride coated steel and cast rings, a wrist pin, and retaining clips, providing everything needed for a complete and confident engine rebuild.\n\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAdvanced Forged Construction:\u003c\/strong\u003e Crafted from aerospace-grade aluminum alloy, ensuring exceptional strength, durability, and a lightweight design for superior engine response.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFriction-Reducing Moly Coating:\u003c\/strong\u003e Features a permanent Molybdenum Disulphite skirt coating to significantly reduce friction, minimize piston rock, and facilitate a smoother engine break-in, leading to quieter operation and extended component life.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptimized Performance Machining:\u003c\/strong\u003e Precision-machined for lightness without compromising strength in critical areas like the piston crown and skirt wall cross-section, enhancing overall engine efficiency and reliability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComplete Rebuild Kit:\u003c\/strong\u003e Each Wossner Piston Kit includes the forged piston, high-quality nitride coated steel and cast rings, wrist pin, and retaining clips, providing all necessary components for a thorough engine overhaul.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh Compression Ratio:\u003c\/strong\u003e Engineered with a 10.2:1 compression ratio, optimized for improved power delivery and combustion efficiency in 250cc 4-Stroke engines.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOversize Bore Availability:\u003c\/strong\u003e Designed with a +0.50 mm oversize bore (73.50 mm) for precision fitment and the flexibility to accommodate various engine rebuild scenarios.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eModel: Standard Series\u003c\/li\u003e\n    \u003cli\u003eUnits: Kit\u003c\/li\u003e\n    \u003cli\u003eBore Size: 73.50 mm\u003c\/li\u003e\n    \u003cli\u003ePiston Size: +0.50 mm\u003c\/li\u003e\n    \u003cli\u003ePiston Diameter: 73.45 mm\u003c\/li\u003e\n    \u003cli\u003eDisplacement: 250 cc\u003c\/li\u003e\n    \u003cli\u003eEngine Type: 4-Stroke\u003c\/li\u003e\n    \u003cli\u003eCompression Ratio: 10.2:1\u003c\/li\u003e\n    \u003cli\u003ePiston Material: Forged Aluminum Alloy\u003c\/li\u003e\n    \u003cli\u003eSkirt Coating: Molybdenum Disulphite\u003c\/li\u003e\n    \u003cli\u003eRing Material: Nitride Coated Steel, Cast\u003c\/li\u003e\n    \u003cli\u003eVendor Part Number: 8646D050\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":62381568590154,"sku":"09107074","price":220.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/98e46390bd48eeeca6d48b4b396326c8_aaf49f65-fb92-4642-982e-1c96c61ed217.webp?v=1781742628","url":"https:\/\/partsdenmark.com\/fr\/products\/wossner-standard-series-piston-kit-for-250cc-4-stroke-engines","provider":"Parts Denmark","version":"1.0","type":"link"}