Improvements to the carburetor, comprising a main circuit and an auxiliary circuit

摘要

A carburetor for internal combustion engine comprises a circuit for the main fuel jet emulsified to the normal operation, lead to into a venturi of the intake duct, and at least one auxiliary circuit, provided with nozzles. These nozzles 30, 32 are doors by a distribution unit 20 provided in order to be inserted and fixed in removable manner in the part of the intake duct 1 located in the vicinity of the venturi tube 6.