The Homelite 310437021 Generator Engine Start Stop Mechanism Assembly helps control the starting and stopping functions of compatible generator engines. Designed as a replacement mechanism assembly, it connects with the engine controls to support proper operation of the start and stop functions. A properly functioning mechanism helps provide convenient control over engine operation an... https://www.wholetoolbox.com/homelite-310437021-generator-engine-start-stop-mechanism-assembly/310437021.html