







VERTEX Cast Piston Replica – Manufacturer Ref. 23703A
Replacement piston designed for 300 cm³ EN 300 / ES / FI ES engines, aimed at motocross riders looking for a reliable replica OEM part. This aluminum piston is delivered in oversize Letter A, suitable for cylinders with a diameter of 72 mm (bore 72.00 mm) with a piston diameter of Ø 71.93 mm.
The delivery includes everything necessary for installation: pistons, rings, fasteners, and piston clips. This part is suitable for enduro/motocross sessions and engine refurbishment operations when the cylinder has been re-bored to oversize A.
VERTEX Reference 23703A — check the bore and oversize letter of your cylinder before installation to ensure perfect compatibility and proper piston/cylinder clearance.