Engine: 50-100cc, 2 stroke Application: Scooter, Moped Venturi diam.: 9 - 10 - 12 - 14 - 15 - 16mm Barrel diam.: 14 - 15 - 16mm Features: Flat throttle valve with tilted counter spring Semi-automatic starting device with choke valve Idling system with hole drawing mixture from the main circuit Main circuit with automatic mixture adjustment Connection with insulating reduction from Ø 21 to 16 - 17 - 18 - 19 and from Ø 20 to Ø 16 - 18 Possibility of fitting different air intakes Material: Die-cast Zamac body