VERTEX Cast Piston — designed for motocross use and the restoration of KTM 250 SX engines (2003-2004). This aluminum piston, made by casting, matches the bore dimensions suitable for 250 cc motorcycles and is aimed at riders and mechanics looking for a reliable replacement for the central moving part of the engine assembly.

• Manufacturer Reference: 22909A
• Type: Cast Piston
• Compression: Standard
• Bore Diameter: 66.40 mm
• Piston Diameter: Ø 66.340 mm
• Oversize Letter: A
• Material: Aluminum

This VERTEX piston is a direct replacement for the specified KTM 250 SX models and is suitable for routine maintenance or engine refurbishment. The finish and dimensions comply with the expected standards for off-road use. Before installation, check the bore, piston/cylinder clearance, and the condition of the rings, clips, and pin. Follow the manufacturer's break-in and lubrication recommendations to ensure proper commissioning.

Ideal for motocross enthusiasts seeking a wear part from a recognized brand, this piston offers a precise and suitable solution for the mechanical heart of the 250 SX.