Briggs Stratton Carburetor Primer (Primer Bulb System)

The carburetor primer on a Briggs & Stratton engine is a small rubber bulb that helps start the engine by pushing fuel into the carburetor. What It Looks Like How the Primer Works When you press the primer bulb: Air is pushed out of the carburetor Fuel is drawn into the carburetor throat Creates a rich fuel mixture for easy starting Especially important for: Cold starts Small engines (lawn mowers, generators, tillers)