{"product_id":"athena-070200-big-bore-cylinder-kit-with-head-47-6mm-70cc-10mm-pin-domed-head-piston-performance-upgrade-converts-50cc-to-70cc-compatible-with-yamaha-zuma-50-vino-50","title":"Athena 070200 Big Bore Cylinder Kit with Head (47.6mm, 70cc) - 10mm Pin Domed Head Piston Performance Upgrade, Converts 50cc to 70cc, Compatible with Yamaha Zuma 50 \u0026 Vino 50","description":"UPGRADE YOUR SCOOTER TO THE NEXT LEVEL OF PERFORMANCE Extract maximum power and unmatched acceleration from your 50cc scooter with the Athena Big Bore Cylinder Kit (Part No. 070200), a premium performance package engineered in Italy to seamlessly convert your factory engine into a high-revving, high-output 70cc powerhouse. 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 deliver a substantial increase along the entire power curve while maintaining strict reliability. This complete bolt-on kit comes loaded with everything required for a flawless installation—including a precision-machined aluminum cylinder, a matching high-compression cylinder head, a premium domed-head piston with a 10mm wrist pin, rings, and a specific high-tightness gasket set—allowing you to dramatically increase top-end speed and low-end torque without requiring any structural engine modifications to your original factory crankcase.","brand":"Athena","offers":[{"title":"Default Title","offer_id":52652524798239,"sku":"070200","price":243.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0813\/2195\/1519\/files\/070200-2.jpg?v=1783019775","url":"https:\/\/massdepot.com\/products\/athena-070200-big-bore-cylinder-kit-with-head-47-6mm-70cc-10mm-pin-domed-head-piston-performance-upgrade-converts-50cc-to-70cc-compatible-with-yamaha-zuma-50-vino-50","provider":"Mass Depot","version":"1.0","type":"link"}