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 wire cutter this Polisport kit delivers reliable

this Polisport kit delivers reliable performance and a professional look

staggered shoulder knobs that dig into loose terrain for superior cornering grip

The Kenda Bearclaw EX K573 is a robust and versatile tire designed for All-Terrain Vehicles (ATVs)

and ponder the infinitude of starlight older than the earth itself

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 wire cutter this Polisport kit delivers reliableUPGRADE 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