The cylinders are the aftermarket engine spare parts in which Athena has constantly invested for over ten years to improve production and performance. The company's engine cylinders and cylinder kits are recognized worldwide for their performance, durability and reliability. Engineered entirely in Italy by the Athena R&D department, with internal know-how and cutting-edge tools to design and test each cylinder, they are coated with motor-nicksil, a silicon nickel coating developed by Athena to obtain smoothness and durability. optimal wear resistance.

The Big Bore increased cylinder kit developed by Athena guarantees an increase in performance that can be found along the power curve, always maintaining reliability equal to that of the original components.

The kit includes the high-quality aluminum cylinder with increased bore, the complete piston with piston pin and rings and the necessary gaskets.
All the components of the thermal unit have been designed, built and tested with severe tests on the track and on the static and dynamic bench to guarantee maximum resistance to high pressures and temperatures.

This cylinder kit can be installed without making any modifications to the motorcycle crankcases.

ATTENTION

All Athena products must be used in compliance with the provisions of the competent authorities of each State. Athena declines all responsibility for any improper use. ASSEMBLY REQUIREMENTS: In this kit the stroke is increased to 43 mm, it is therefore necessary to order the relevant crankshaft (see crankshafts section). To mount this crankshaft the housing diameter must be enlarged.