The Float 12630-01 of 9 grams is the standard reference model for carburetors Dell'ORTO VHSH 30, equipping almost all the category karting engines KZ (125cc with gearbox). Its role is to regulate the admission of gasoline in the tank via the needle. A 9g float offers the ideal compromise between reactivity and stability, avoiding the phenomena of "disputing" during high lateral acceleration.