{"product_id":"piston-kit-86-88-yz125-56-75-wossner-8118d075-yamaha-mx","title":"Piston Kit 86-88 YZ125 56.75, Wossner 8118D075 Yamaha MX","description":"\u003cp\u003eThis Wossner 56.75mm (+0.75 oversize) forged piston kit is designed for Yamaha YZ125 models from 1986 to 1988. Featuring a forged build and elliptical design, the piston is engineered for thermal expansion control, even thrust load distribution, and reliable performance in two-stroke engines. Manufactured in Germany, it ensures efficient heat transfer from the combustion chamber to the cylinder walls under demanding conditions.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003e \u003cp\u003eForged piston construction for enhanced strength and durability\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eElliptical design provides consistent bearing surface under thermal expansion\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eEven distribution of thrust loads minimises localised stress and prevents piston collapse\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eOptimised for efficient heat transfer from combustion chamber to cylinder walls\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: 56.75mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eActual diameter: 56.69mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eDisplacement: 123 cm³\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eStroke: 50.00mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eClearance: 0.06mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eCompression height: 30.00mm\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eCompression ratio: 2-stroke\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 Kit Part No.: 56-W559+075.WO\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eWossner Piston Kit No.: 8118D075\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: RSB5675\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 1986\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eYamaha YZ125 1987\u003c\/p\u003e \u003c\/li\u003e \u003cli\u003e \u003cp\u003eYamaha YZ125 1988\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\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 125\u003c\/td\u003e\n\u003ctd\u003e1986-1988\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":57506607726972,"sku":"56-W559+075.WO","price":134.97,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3952\/8167\/files\/stock55766_1.jpg?v=1790481551","url":"https:\/\/radhouse.co.uk\/products\/piston-kit-86-88-yz125-56-75-wossner-8118d075-yamaha-mx","provider":"Radhouse","version":"1.0","type":"link"}