Engine: 125-300cc, 2-4 stroke Application: Motorcycles Venturi diam.: 26 - 28 - 30mm Features: Piston-type throttle valve Indipendent starting circuit Idling system with jet and mixture adjusting screw or air adjusting screw Main circuit with mechanical mixture adjustment by conical needle Versions with idle adjusting screw on the left and/or on the right Bowl with the possibility to assemble independent floats Versions with piston acceleration pump or mechanically operated diaphragm acceleration pump Versions with power jet Sleeve connection with insulating reduction from Ø 40 to Ø 35 and Ø 36 elastic fitting connection Air intake connection Ø 42 or Ø M42 x 1.25 for trumpet or joint assembly