{"product_id":"athena-p400485100093-standard-bore-cylinder-kit-47-5mm-85cc-premium-2-stroke-top-end-rebuild-kit-with-gaskets-compatible-with-yamaha-yz85-2002-2018","title":"Athena P400485100093 Standard Bore Cylinder Kit (47.5mm, 85cc) - Premium 2-Stroke Top End Rebuild Kit with Gaskets, Compatible with Yamaha YZ85 2002-2018","description":"RESTORE YOUR DIRT BIKE TO PEAK OEM PERFORMANCE Bring back the crisp throttle response, razor-sharp power delivery, and high-revving factory reliability of your 85cc youth two-stroke engine with the Athena Standard Bore Cylinder Kit (Part No. P400485100093), a premium OEM-style replacement package engineered and manufactured in Italy. Entirely cast from high-grade aluminum and treated with a specialized Motor-Nicksil (Nickel-Silicon) coating, this cylinder guarantees exceptional thermal dissipation, minimal friction, and optimal wear resistance to match or exceed original equipment standards across the entire RPM range. This complete bolt-on kit comes fully loaded with everything required for a flawless top-end rebuild—including a precision-machined 47.5mm standard bore cylinder, a high-performance premium piston assembly, rings, wrist pin, circlips, and a specific high-tightness gasket set—allowing you to drop compression losses and refresh your engine without requiring any custom machining or structural engine modifications to your factory crankcase.","brand":"Athena","offers":[{"title":"Default Title","offer_id":52666364231967,"sku":"P400485100093","price":629.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/2195\/1519\/files\/P400485100093-1.jpg?v=1783616564","url":"https:\/\/massdepot.com\/products\/athena-p400485100093-standard-bore-cylinder-kit-47-5mm-85cc-premium-2-stroke-top-end-rebuild-kit-with-gaskets-compatible-with-yamaha-yz85-2002-2018","provider":"Mass Depot","version":"1.0","type":"link"}