Engine: 125-300cc, 2 stroke Application: Motorcycles, Kart Venturi diam.: 36 - 38 - 39mm Features: Flat throttle valve Inserted choke Indipendent starting circuit Idling system with jet and air adjusting screw Main circuit with mechanical mixture adjustment by means of conical needle Versions with idle adjusting screw on the left and/or the right Bowl with the possibility to assemble independent floats Ø 44 elastic fitting connection Air intake connection Ø 64 for joints assembling and special for “free” suction Material: Die-cast Zamac body