How do you adjust a carburetor for a 1991 Mazda b22 truck?

To adjust the carburetor on a 1991 Mazda B22 truck, first ensure the engine is at operating temperature. Then, locate the idle mixture screw and turn it clockwise to lean the mixture or counterclockwise to enrich it, adjusting until the engine runs smoothly at idle. Next, adjust the idle speed screw to set the desired RPM. Always check for smooth acceleration and responsiveness after adjustments, and make minor tweaks as necessary.