Athena 070100 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 & Minarelli Vertical Ceramic Disc Brake Grease concrete anchor setting

concrete anchor setting

complete with a sensor holder for secure mounting on grade rods and a Sokkia Field Book

or concrete anchors

and braking stability

Our innovative T3 3-piece design eliminates bottlenecks in exhaust flow

Athena 070100 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 & Minarelli Vertical Ceramic Disc Brake Grease concrete anchor settingUPGRADE 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. 070100), 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