What is the proper idle RPM?
What is the proper idle RPM? Wrong Idle Speed – Most cars have a proper idle speed, usually between 600 and 1000 RPMs. Idle car speed can change due to wear and tear. Fortunately, an adequate tune-up can restore the correct idle speed. How do you adjust the idle speed of a carburetor? In much the same manner as making the air fuel mixture adjustment, back the idle mixture screw off into a lean condition, and then adjust it in quarter turn increments, until the desired idle speed is achieved. How to adjust an outboard carburetor on a Yamaha? Re-tighten...