- Choke : Ø 38 ? 40 ? 41
- 4 stroke
- Piston-type throttle valve
- Independent starting circuit or by means of a flooding switch
- Idle system with jet and mixture adjusting screw
- Main circuit with mechanical mixture adjustment by mean of conical needle
- Versions with idle adjusting screws on the left and/or on the right
- Version with mechanically-operated diaphragm acceleration pump
- Bowl with the possibility to assemble independent floats
- Sleeve connection with insulating reducing socket from Ø 48 to Ø 45 and Ø 46 elastic fitting connection
- Air intake connection Ø 52 and 83 or Ø M52 x 1,25 for trumpet or union assembly