{"product_id":"cylinder-full-kit-98mm-yamaha-yfz-450-09-25-athena-p400485100047-478cc-big-bore-piston-included","title":"CYLINDER FULL KIT 98MM YAMAHA YFZ 450 09-25, ATHENA P400485100047 478CC BIG BORE, (Piston included)","description":"\u003cp\u003eThis big bore cylinder kit increases engine capacity to 478 cc and is supplied as a complete replacement assembly, including an aluminium cylinder with a nickel-silicon wear-resistant coating, a piston assembly, and all required gaskets. It is designed to install without modifications to the engine crankcase and is intended for high-temperature, high-load operation.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eBig bore cylinder kit supplied as a complete set for top-end replacement\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eWear-resistant nickel-silicon cylinder coating for reduced friction and improved durability\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eIncludes cylinder, piston, piston pin, piston rings, and full gasket set\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eDesigned for installation without engine crankcase modifications\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eDeveloped and validated through bench and road testing\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCross reference\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eS4F09800004A Piston Kit 97,94\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eS4F09800004B Piston Kit 97,95\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eP400485160013 Gaskets Kit\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eS41316197 Rings\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eBore diameter: 98.00 mm\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eDisplacement: 478.00 cc\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eCompression ratio: 12.5:1\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eNet weight: 1.17 kg\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eCylinder material: aluminium\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eCylinder coating: nickel-silicon (Motor-Nicksil)\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eYAMAHA YFZ R 450 cc (2009–2025)\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003e\n\u003cbr\u003e\t\u003cp\u003eYAMAHA YFZ X 450 cc (2010–2011)\u003c\/p\u003e\n\u003cbr\u003e\t\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57138752553333,"sku":"56-K172.98.CKA","price":695.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5011\/6136\/files\/56-k172-98-cka.jpg?v=1778201548","url":"https:\/\/www.smxoffroad.com\/fr\/products\/cylinder-full-kit-98mm-yamaha-yfz-450-09-25-athena-p400485100047-478cc-big-bore-piston-included","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}