{"product_id":"athena-1999-2024-yamaha-yz-85-standard-bore-cylinder-kit","title":"Athena 1999 - 2024 Yamaha YZ 85 Standard Bore Cylinder Kit","description":"\u003cp\u003e\u003cstrong\u003eP400485100076\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1 class=\"prodotto__nome\"\u003eStandard Bore Cylinder Kit Ø 47,5 mm, 85 cc with Modular Head\u003c\/h1\u003e\n\u003cp\u003e\u003cspan\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eAll the cylinders are entirely engineered in Italy by Athena’s R\u0026amp;D Department which has a strong internal know-how and cutting-edge tools to design and test each piece. They are coated with motor-nicksil, a nickel-silicon coating developed by Athena to obtain smoothness and optimal wear resistance.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eThe Standard Bore cylinder kit developed by Athena guarantees the same performance as the original spare parts, extreme reliability and optimal smoothness as a result of the lightweight aluminum cylinder, the barrel with nickel-silicon coating, and a piston designed to reduce further friction.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe kit includes the high-quality aluminum cylinder with standard bore, the cylinder head with central dome , the complete piston with the piston pin and rings, and all the necessary gaskets.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 class=\"prodotto__sezione__title\"\u003eTechnical features\u003c\/h2\u003e\n\u003cdiv class=\"prodotto__sezione__container\"\u003e\n\u003cdiv class=\"grid--wide\"\u003e\n\u003cdiv class=\"grid__item desk-6-12\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBore Diameter (mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e47.50\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"grid__item desk-6-12\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDisplacement (cc)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e85.00\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":43265194819651,"sku":"P400485100076","price":963.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/0456\/5571\/files\/Screenshot2026-05-13113919.png?v=1778686803","url":"https:\/\/gumotorsport.com\/en-us\/products\/athena-1999-2024-yamaha-yz-85-standard-bore-cylinder-kit","provider":"GUMOTORSPORT","version":"1.0","type":"link"}