Weber 40 DCOE 151 Carburettor
The 40 DCOE is suited to smaller capacity engines where the 45 is considered too large. Used either in single or multiple carburettor applications, they are a popular choice for smaller 4 and 6 cylinder engines, particularly for road use.
The carburettor is fited with 39mm air horns
The factory calibrations are;
30mm chokes, 4.5 aux venturi, F11 emulsion tube, 115 main jet, 200 air corrector, 45F9 idle jet, 40 pump jet, 50 pump spill, 175 needle valve