{"product_id":"piston-kit-1983-85-yz125-56-75-wossner-8119d075-yamaha","title":"PISTON KIT 1983\u002685 YZ125 56.75, WOSSNER 8119D075 YAMAHA","description":"\u003cp\u003eThis Wossner piston kit with a 56.75mm bore (+0.75 oversize) and 56.69mm measured bore is designed for Yamaha YZ125 models from 1983 and 1985. The forged construction ensures high strength and improved thermal transfer. The piston’s elliptical shape distributes thrust loads evenly, reducing the risk of piston collapse. Manufactured in Germany.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eForged construction for enhanced strength\u003c\/li\u003e\n\t\u003cli\u003eEffective heat transfer from combustion chamber to cylinder walls\u003c\/li\u003e\n\t\u003cli\u003eElliptical design ensures uniform pressure distribution\u003c\/li\u003e\n\t\u003cli\u003eMade in Germany\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: 56.75mm\u003c\/li\u003e\n\t\u003cli\u003eBore (Actual Measured): 56.69mm\u003c\/li\u003e\n\t\u003cli\u003eDisplay Volume: 83 cm³\u003c\/li\u003e\n\t\u003cli\u003eStroke: 84.00mm\u003c\/li\u003e\n\t\u003cli\u003eClearance: 0.06mm\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio (Wossner): 2-stroke\u003c\/li\u003e\n\t\u003cli\u003eCompression Ratio (OEM): 2-stroke\u003c\/li\u003e\n\t\u003cli\u003eCompression Height: 30.80mm\u003c\/li\u003e\n\t\u003cli\u003eDome Volume: Not specified\u003c\/li\u003e\n\t\u003cli\u003eTheoretical Weight: Not specified\u003c\/li\u003e\n\t\u003cli\u003eLock Part Number: CW16\u003c\/li\u003e\n\t\u003cli\u003ePin Part Number: WP036\u003c\/li\u003e\n\t\u003cli\u003eRing Set Part Number: RSB5600\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\u003e39W-11-630-00-00\u003c\/li\u003e\n\t\u003cli\u003e55Y-11631-00-94\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\u003eYamaha YZ125 1983\u003c\/li\u003e\n\t\u003cli\u003eYamaha YZ125 1985\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Wossner","offers":[{"title":"Default Title","offer_id":51391907627274,"sku":"56-w503+075.wo","price":111.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/image-1-6E27DA70-C5C9-4273-AB79-27F2CA90CB7C_56-W503_075.WO.jpg?v=1750687821","url":"https:\/\/2bros-mx.com\/products\/piston-kit-1983-85-yz125-56-75-wossner-8119d075-yamaha","provider":"2bros-mx.com","version":"1.0","type":"link"}