Malossi racing carburettor set for 125-180cc Piaggio 2-stroke scooter engines. Set contains: 25mm Dellorto carb with manual choke and racing air filter. Dellorto guarantees fine tuning capabilities for all situations. 30mm connection, M5 #102 main jet, Pilot jet M5 #45, air filter connection, 38mm. Optimal carburettor for the 172 Racing cylinder kit.