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 Socket Set (1) MASSFX Grinder 25x8-12 Front

(1) MASSFX Grinder 25x8-12 Front ATV Tire 6 Ply for Soft/Hard Pack Ground

The foam seal guarantees a leak-proof fit

The 130/80-19 FT40 front tire is designed with an intermediate tread pattern

and concrete projects

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 Socket Set (1) MASSFX Grinder 25x8-12 FrontUPGRADE 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