Idle screw: A screw on the carburettor, for adjusting the idling speed of the engine. Related posts: Gradeability Horizontally opposed engine or Boxer engine AT8301 Spark Ignition Engines Syllabus Governor cut-in speed AT8701 Engine and Vehicle Management System Syllabus Ratchet screw driver Governor cut-off speed Electric screw driver AT8091 Manufacturing of Automotive Components Syllabus Flywheel Laser Speed Gun PR8451 Mechanics of Machines Syllabus Carburettor AE8402 Aircraft Systems and Instruments Syllabus HCCI engine Final drive ratios Choke Butterfly Valve Governor overrun Governor Hysterisis Read more articles Previous PostHybrid vehicles Next PostIgnition Coil