Idle speed — is the minimum operating speed (generally measured in revolutions per minute, or rpm, of the crankshaft) of a combustion engine. At idle speed, the engine generates enough power to run reasonably smoothly and operate its ancillaries (water pump,… … Wikipedia
adjustment — [1] changing or modifying the position or alignment of two components. [2] the distance of travel that a component has. Also see fore and aft adjustment idle mixture adjustment screw idle speed adjustment … Dictionary of automotive terms
idle channel restriction — Used on carbureted vehicle. Does the same thing as the idle feed restriction, but is located in the idle passage just below the idle air bleed instead of the bottom of the idle tube. In the primary idle channel, the amount of fuel emitted by the… … Dictionary of automotive terms
adjustment screw — See idle mixture adjustment screw … Dictionary of automotive terms
idle air bleed screw — A screw found on some carburetors which allows air to enter the carburetor when the throttle is closed, so that the vehicle can idle. It also prevents the formation of deposits in the throttle area. The adjustment of this screw is part of a basic … Dictionary of automotive terms
idle limiter cap — An external plastic cap on the head of the idle mixture adjustment screw to maintain preset emissions levels and prevent unauthorized tampering … Dictionary of automotive terms
idle mixture adjustment screw — See idle mixture screw … Dictionary of automotive terms
idle speed adjustment — The alteration of the engine idle speed … Dictionary of automotive terms
adjustable off-idle air bleed — Some emissions era Rochester carburetors have a separate air passage to bleed air past an adjustment screw into the idle system. this screw is preset by the factory to produce precise off idle air/fuel mixture ratios to meet emission control… … Dictionary of automotive terms
mixture adjustment screw — See idle mixture adjustment screw … Dictionary of automotive terms
speed adjustment — See idle speed adjustment … Dictionary of automotive terms