Athena 276cc Big Bore Cylinder Kit Yamaha YZ 250 F 14-.. WR 250 F 15-..

Athena is divided into seven companies responsible for the development of different components, allowing specialisation and offering genuine spare-parts or parts used for racing events.
Athena is recognised for its engine spare parts: cylinder kits, pistons, gasket kits, connecting rods, cranks, engine and valve seals, spare parts for air intake and exhaust systems as well as affordable stuffing yarn.
We offer our customers the necessary spare parts to tackle the repair and maintenance of an off-road engine regardless of the discipline, be it motocross, enduro or trial.