A-B1690547-AI SPRING-RATCHETOne New Aftermarket Replacement Ratchet Spring Fits Briggs and Stratton Small Engines This ratchet spring (also called a spring ratchet) is a key component of the recoil starter and starter clutch assembly on Fits Briggs and Stratton (B&S) small engines. It maintains the proper tension needed for the ratchet mechanism to engage and release correctly during engine starting. A worn or broken ratchet spring can cause the recoil starter to slip or fail to