the WG850 dethatcher has you covered

Replacement Round Recoil Starter Assembly For Select Ariens Snow Blowers With Ax Engines

and is placed in the carburetor assembly to help control the flow of fuel and the speed of the engine

5300081481

Briggs & Stratton 84001917 Kit, Carburetor Overhaul related-kohler-25-083-01-s-element-air-filter-primary the WG850 dethatcher has youOnly Briggs & Stratton genuine parts are specially designed to exact OEM standards, Manufactured & tested to help deliver optimum performance in Briggs & Stratton engines. Not only are Briggs & Stratton genuine parts to fit, but using them ensures that the Briggs & Stratton engine they are installed on complies with applicable (EPA) emission regulations.