{"product_id":"oro2u-56-w4852-b-wo-256272","title":"PISTON KIT 04-09 CRF250 HC 78, WOSSNER 8590DB FORGED","description":"\u003cp\u003eWossner 78.01mm high-compression forged piston kit is designed for enhanced engine performance. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHigh-compression design for increased engine performance\u003c\/li\u003e\n\t\u003cli\u003eForged construction for enhanced strength and longevity\u003c\/li\u003e\n\t\u003cli\u003eOptimized heat transfer for efficient cooling\u003c\/li\u003e\n\t\u003cli\u003eElliptical design prevents piston collapse and ensures even load distribution\u003c\/li\u003e\n\t\u003cli\u003eManufactured in Germany for high-quality standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eBore Size: 78.01mm\u003c\/li\u003e\n\t\u003cli\u003eActual Bore Diameter: 77.97mm\u003c\/li\u003e\n\t\u003cli\u003eDisplacement: 249 cm³\u003c\/li\u003e\n\t\u003cli\u003eStroke: 52.20mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.04mm\u003c\/li\u003e\n\t\u003cli\u003eWossner Compression Ratio: 13.90:1\u003c\/li\u003e\n\t\u003cli\u003eOEM Compression Ratio: 12.90:1\u003c\/li\u003e\n\t\u003cli\u003eDome Volume: +0.00 cm³\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 19.00mm\u003c\/li\u003e\n\t\u003cli\u003eLock Part Number: CW16\u003c\/li\u003e\n\t\u003cli\u003ePin Part Number: WP059\u003c\/li\u003e\n\t\u003cli\u003eRing Set Part Number: 780XAS\u003c\/li\u003e\n\t\u003cli\u003eRod Part Number: P4001 (2010 - Current)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003ePart No: 56-W4852.B.WO\u003c\/li\u003e\n\t\u003cli\u003eWossner Part No: 8590DB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eHonda CRF250R (2004 - 2009)\u003c\/li\u003e\n\t\u003cli\u003eHonda CRF250X (2004 - 2009)\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Wossner","offers":[{"title":"Default Title","offer_id":61520318071118,"sku":"56-W4852.B.WO","price":178.92,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/6502\/5358\/files\/stock55218_1.jpg?v=1793707758","url":"https:\/\/btpsouthwest.uk\/products\/oro2u-56-w4852-b-wo-256272","provider":"BTP - Braydon Trailers \u0026 Powersports | Sales, Hire, Parts, Servicing \u0026 Repairs","version":"1.0","type":"link"}