This video provides step-by-step instructions for replacing the air vane spring on Briggs and Stratton small engines, commonly found in Toro, John Deere, and Lawn Boy lawn mowers, riding tractors, zero-turn radius mowers, wheeled edgers, pressure washers, and generators. The most common reason for replacing the air vane spring is if it is broken, which can cause the engine to not start or to only start after too many pulls on the recoil starter.
All of the information in this spring replacement video is applicable to the following brands: Briggs & Stratton, Toro, John Deere, Lawn Boy
