How to Replace the Needle Valve for a Sears Carburetor?

Answer Sears carburetors are used on a lot of lawn equipment products, including Craftsman push mowers and weed trimmers. Inside a Sears carburetor is a needle valve, which helps regulate the amount of fu... Read More »

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How to Clean the Needle Valve on a Carburetor?

Most carburetors that use needle valves are the Rochester Quadrajet, Edlebrock and Carter AFB carburetors. The needle jet is a long thin rod tapered at the bottom that is placed in the inlet side o... Read More »

How to Adjust the Carburetor Needle Valve?

Mechanical slide and constant velocity carburetors used on motorcycles use a needle valve to control fuel flow through the main jet. The tapered needle is fastened in the slider portion of the uppe... Read More »

How to Replace the Power Valve on a Holley Carburetor?

Power valves on Holley carburetors are usually trouble free, but they do occasionally require replacement. Engine modifications may dictate the use of a different power valve. You may want to chang... Read More »

How to Replace the Float Valve and Seat on a Walbro Carburetor?

Replacing the float valve and seat of the Walbro carburetor is a job that takes a steady hand, but is not difficult to do. The interior parts of the carburetor are small, making it challenging to r... Read More »