NIKKI 2-Barrel - MAZDA B2000: Description

Carburetor is a 2-barrel, downdraft type, 2-stage design with an electric automatic choke. The primary stage includes a curb idle system, accelerator pump system, idle transfer system, main metering system and power enrichment system. The secondary stage includes an idle transfer system and main metering system.

For deceleration control, Federal vehicles make use of an anti-afterburn valve and throttle positioner system; California vehicles, an air by-pass valve and throttle positioner system.