
VERTEX Cast Piston Ø66.34 mm – Manufacturer Ref: 23630A
VERTEX cast piston, designed for 250cc motocross engines. Made from aluminum, this replacement part features a finish suitable for off-road applications where durability and cylinder fit are essential. This is an oversize piston letter A, diameter Ø 66.34 mm, designed to replace worn pistons during a re-bore or engine rebuild.
Common compatibilities (to be verified according to your year and engine configuration): KTM 250 XC, Husqvarna TE 250, Gas Gas MC 250. The previous product label also mentions SX250 (2005-2018) and Husaberg TE250 '11 for Ø 66.34 mm.
Before installation, check the piston/cylinder clearance, the condition of the rings and grooves to ensure proper break-in. This part is intended for mechanical replacement: refer to the workshop manual for torque specifications and installation procedures.