{"product_id":"piston-kit-82-83-yz80-47-50-forged-wossner-8185d050","title":"Piston Kit 82-83 YZ80 47.50, Forged Wossner 8185D050","description":"\u003cp\u003eWossner 47.50mm Bore Piston Kit (PN# 8185D050) 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 \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHigh-strength forged piston for durability and performance\u003c\/li\u003e \u003cli\u003eOptimized heat transfer for efficient combustion\u003c\/li\u003e \u003cli\u003eElliptical design prevents piston collapse and ensures even load distribution\u003c\/li\u003e \u003cli\u003eManufactured in Germany\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eBore: 47.50mm\u003c\/li\u003e \u003cli\u003eActual diameter: 47.45mm\u003c\/li\u003e \u003cli\u003eDisplay (cm³): 79\u003c\/li\u003e \u003cli\u003eStroke (mm): 55.50\u003c\/li\u003e \u003cli\u003eClearance (mm): 0.05\u003c\/li\u003e \u003cli\u003eCompression Ratio: OEM\u003c\/li\u003e \u003cli\u003eOEM Compression Ratio: 11.10:1\u003c\/li\u003e \u003cli\u003eDome Volume (cm³): -0.20\u003c\/li\u003e \u003cli\u003eCompression Height (mm): 22.80\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLock: CW12\u003c\/li\u003e \u003cli\u003ePin: WP091\u003c\/li\u003e \u003cli\u003eRing Set: RSB4750\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eYamaha YZ80 (1982-1983)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- venture-connect-compatibility:start --\u003e\n\u003csection class=\"venture-connect-compatibility\"\u003e\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cp\u003ePlease check the exact model and year before ordering.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 80\u003c\/td\u003e\n\u003ctd\u003e1982-1983\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\n\u003c!-- venture-connect-compatibility:end --\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":57506566046076,"sku":"56-W477+050.WO","price":98.14,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3952\/8167\/files\/stock54989_1.jpg?v=1790479677","url":"https:\/\/radhouse.co.uk\/products\/piston-kit-82-83-yz80-47-50-forged-wossner-8185d050","provider":"Radhouse","version":"1.0","type":"link"}