WEBER air bleed jet (the 4)
If we raise the air bleed jet diameter, we impoverishes the mixing at low-engine speed, a further adjustment with the fuel jet is required (Ref: W-ESS...)
Diameter: 90
Products intended for vehicle modification for competition purposes may render their use prohibited on public roads, insofar as they significantly alter the vehicle's characteristics as specified in the type-approval certificate issued by the relevant authorities (noise level, pollutant emissions, maximum speed, tire dimensions, etc.).
