How to remove a welch plug (air fuel screw cap) from any motorcycle or small engine carb carburetor
Channel: How 2 Wrench
Date: 2016-03-25

How to remove the emission cap-welch plug covering the air/fuel mixture screw with ease so you can fully service the carburetor. I also show close up detail on the REQUIRED tools needed to remove them in any carb with an air/fuel mixture screw. 
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