{"product_id":"piston-kit-82-83-yz80-47-00-forged-wossner-8185da-3r1-11630-02-00","title":"PISTON KIT 82-83 YZ80 47.00, FORGED WOSSNER 8185DA 3R1-11630-02-00","description":"\u003cp\u003eWossner 47mm Bore Piston Kit (PN# 8185DA) is designed for Yamaha YZ80 models from 1982 to 1983. This forged piston ensures high strength, efficient heat transfer, and durability. Its elliptical design provides a uniform bearing surface under heat expansion, reducing localized pressure and evenly distributing thrust loads to prevent piston collapse. Manufactured in Germany, this piston meets OEM compression standards.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eHigh-strength forged piston for durability and performance\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eOptimized heat transfer for efficient combustion\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eElliptical design prevents piston collapse and ensures even load distribution\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eManufactured in Germany\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eBore: 47mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eActual diameter: 46.95mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eDisplay (cm³): 79\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eStroke (mm): 55.50\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eClearance (mm): 0.05\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eCompression Ratio: OEM\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eOEM Compression Ratio: 11.10:1\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eDome Volume (cm³): -0.20\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eCompression Height (mm): 22.80\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eLock: CW12\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003ePin: WP091\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eRing Set: RSB4700\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eOEM Part Number: 3R1-11630-02-00\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eYamaha YZ80 (1982-1983)\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57153013743989,"sku":"56-W477+000.WO","price":98.14,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5011\/6136\/files\/stock54987_1.jpg?v=1778461591","url":"https:\/\/www.smxoffroad.com\/es\/products\/piston-kit-82-83-yz80-47-00-forged-wossner-8185da-3r1-11630-02-00","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}