How do you adjust Tecumseh LH195sa?

To adjust the Tecumseh LH195SA engine, first, ensure the engine is off and cool. Adjust the carburetor’s idle speed screw to set the desired RPM while the engine is running; turn it clockwise to increase speed and counterclockwise to decrease speed. For the air-fuel mixture, adjust the mixture screw, turning it in for a leaner mix and out for a richer mix, until the engine runs smoothly. Always consult the engine’s manual for specific settings and adjustments.