Two years after their last visit, the gearbox categories are back at the Circuito Internazionale Napoli in Sarno for the second of three rounds in the Mondokart.com FIA Karting European Championship - KZ and KZ2. From 19th to 22nd June 2025, the KZ2 Masters category will be added to the programme. This Championship will be contested over a single competition. A total of 125 Drivers are entered.