Venturi: A restriction in the entrance passage of a carburettor where the main fuel jet is placed. Related posts: Push rod Fuel rail Carburettor Valve train Inlet manifold Sub-frame Rocker arm Pilot injection Multi-Point Fuel Injection (MPFI) AT8301 Spark Ignition Engines Syllabus Choke Variable Length Intake Manifold (VLIM) Turnover High beam Port fuel injection Idle screw Surge Butterfly Valve Fuel injector Tappets Read more articles Previous PostVariable Timing Electronic Control (VTEC) Next PostViscosity