Athena Sport aluminium 70cc cylinder kit for Yamaha Aerox/ Minarelli horizontal 50cc 2-stroke liquid cooled scooters.

This is the original aluminium sport, these kits are at the limit of what would be considered a "Sport" cylinder, producing an impressive 12-14hp. 5 transfer ports and a domed piston with single ring maintains the balance of performance and usability. The light weight aluminium bore has been coated with a nickel-silicon coating developed by Athena.

A Yasuni R or C16, 21mm carb, crank, variator, clutch etc. are recommended.

Bore: 47.6mm
Displacement: 70cc
Gudgeon Pin: 10mm

Included:
cylinder, head, gasket set, piston kit & reed petals.

Athena 072400