The Makita 168497-0 Carburetor helps maintain a proper fuel and air mixture for consistent small-engine operation. It regulates fuel flow into the engine and combines it with air in the correct proportion to support combustion. This allows the engine to start, run smoothly, and respond consistently during use. A properly working carburetor can also support efficient fuel consumption a... https://www.wholetoolbox.com/makita-168497-0-carburetor/168497-0.html