{"product_id":"athena-2003-2006-yamaha-wr450f-stock-bore-complete-cylinder-kit","title":"Athena 2003 - 2006 Yamaha WR450F Stock Bore Complete Cylinder Kit","description":"\u003cp\u003e\u003cstrong\u003eP400485100013\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1 class=\"prodotto__nome\"\u003eStandard Bore Cylinder Kit Ø 95 mm, 450 cc\u003c\/h1\u003e\n\u003ch2 class=\"prodotto__sezione__title\"\u003eDescription\u003c\/h2\u003e\n\u003cdiv class=\"prodotto__sezione__container\"\u003e\n\u003cdiv class=\"formatted-content\"\u003e\n\u003cp\u003eAthena has been constantly investing in cylinder aftermarket replacement parts for more than ten years, to improve their production and performance.\u003cbr\u003e\u003cbr\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.\u003cbr\u003eAthena’s cylinder kits and its components are recognized worldwide for their performance, durability and reliability.\u003cbr\u003e\u003cbr\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.\u003cbr\u003eThe kit includes the high-quality aluminum cylinder with standard bore, the complete piston with the piston pin and rings, and all the necessary gaskets.\u003c\/p\u003e\n\u003cp\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\u003e95.00\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\u003eCompression Ratio\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e12.3:1\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\u003e450.00\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\u003eLine\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEnduro\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\u003eNet Weight (Kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.13\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\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":43265201340483,"sku":"P400485100013","price":1000.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/0456\/5571\/files\/Screenshot2026-05-13114444.png?v=1778687099","url":"https:\/\/gumotorsport.com\/products\/athena-2003-2006-yamaha-wr450f-stock-bore-complete-cylinder-kit","provider":"GUMOTORSPORT","version":"1.0","type":"link"}