{"product_id":"piston-kit-1983-85-yz125-57-5-wossner-8119d150-yamaha","title":"Piston Kit 1983 \u002685 YZ125 57.5, Wossner 8119D150 Yamaha","description":"\u003cp\u003eThis Wossner forged piston kit features a 57.50mm bore (57.44mm) and is designed for Yamaha YZ125 models from 1983 and 1985. Manufactured in Germany, the piston provides enhanced strength and is engineered for effective heat transfer, even pressure distribution, and prevention of piston collapse under performance conditions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eForged piston construction for increased strength\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eDesigned to optimize heat transfer from combustion chamber to cylinder walls\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eElliptical profile ensures uniform bearing surface under thermal expansion\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eManufactured in Germany\u003c\/p\u003e \u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eBore size: 57.50mm (57.44mm)\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eDisplay volume: 83 cm³\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eStroke: 84.00 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eClearance: 0.06 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eCompression height: 30.80 mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eTheoretical weight: Not specified\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eCompression ratio: 2-stroke (Wossner and OEM)\u003c\/p\u003e \u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003ePiston: 8119D150\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eLock: CW16\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003ePin: WP036\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eRing Set: RSB5750\u003c\/p\u003e \u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eYamaha YZ125 1983\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eYamaha YZ125 1985\u003c\/p\u003e \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\n\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 125\u003c\/td\u003e\n\u003ctd\u003e1985\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 125\u003c\/td\u003e\n\u003ctd\u003e1983\u003c\/td\u003e\n\u003c\/tr\u003e\n\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":57506596749692,"sku":"56-W503+150.WO","price":0.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3952\/8167\/files\/stock55509_1.jpg?v=1790481050","url":"https:\/\/radhouse.co.uk\/products\/piston-kit-1983-85-yz125-57-5-wossner-8119d150-yamaha","provider":"Radhouse","version":"1.0","type":"link"}