Carburetor Adjustment: How to Tune for Best Performance
Quick Answer Proper carburetor adjustment involves setting the idle speed, adjusting the air-fuel mixture screws, and tuning the accelerator pump. For most vehicles, start with a 1.5-2 turn out on the mixture screws, then fine-tune while listening to engine response and checking spark plug color. Always perform adjustments with the engine at operating temperature. A … Read more