Vertex Full cast size A Piston kitRef : 9519DA / 1095243001

VERTEX Cast Piston reference 23249A, designed for the maintenance and refurbishment of 250 cm3 engines. Aluminium cast piston, offered in standard compression configuration to maintain the engine's original character.

• Bore Diameter: 66.40 mm
• Piston Diameter: Ø 66.33 mm
• Oversize Letter: A
• Compression: Standard
• Material: Aluminium (cast piston)

This piston is aimed at riders and mechanics looking for a reliable replacement part to keep the original distribution and capacity. Its finish and tolerances are suitable for both cross and roadster applications, for engine revision work or after cylinder reconditioning. The oversize "A" indicates a size suitable for re-bored cylinders — check engine dimensions before installation.

Known compatibilities (examples): GAS GAS EC 250 RACING SIX DAYS 2020, FANTIC TR250ES 2015, TM RACING GS 250 2001 — all in 250 cm3. For safe installation, check piston-to-wall clearance, condition of the rings, and manufacturer recommendations before running in.