How to Adjust a Carburetor Idle Mixture?

Answer Adjusting your motorcycle's engine idle speed requires adjustment of the carburetor's idle mixture screw. This screw allows air into the carb's pilot system where it mixes with fuel. The position o... Read More »

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How to Adjust the Idle Mixture on a Carter Thermo-Quad Carburetor?

The Carter Thermo-Quad carburetor is a special design used to keep the fuel cooler inside the carburetor, providing better fuel mileage. Adjusting the idle mixture screws on the Thermo-Quad takes o... Read More »

How to Set Idle Mixture Screws on a Holley 4150 Carburetor?

The Holley 4150 carburetor is a four-barrel carburetor designed specifically for high-performance engines. The carburetor is known as a "four-corner" carburetor because it features a single air/fue... Read More »

How to Adjust Idle Mixture Screws?

The idle-mixture screws in a vehicle's carburetor determines how much air is mixed with the fuel being drawn through the carburetor while the engine is idling. If the idle-mixture screws are improp... Read More »

How to Adjust the Idle Mixture on a Holley Carb?

Adjusting the idle mixture of your Holley carburetor is an important procedure in the operation of the motor. The proper adjustment of the carburetor can improve your fuel mileage as well as keep t... Read More »