





ATHENA Cast Piston – Manufacturer Ref. S4C05800002A. Designed for motocross applications, this aluminum piston is aimed at riders who are replacing top-end components on 125 cc motorcycles.
This Athena cast piston is designed to replace the moving element of the cylinder while adhering to the specified dimensions. It is suitable for engine refurbishment work where size A is required. During reassembly, check the condition of the cylinder, the piston-cylinder clearance, and use appropriate rings; the piston is supplied alone, verify the contents of the reference before ordering.
Practical advice: follow the break-in recommendations and the torque specifications for top-end components for reliable operation. Ideal for motocross riders looking for a replacement part that meets manufacturer specifications, this piston fits into maintenance and engine restoration operations.