The Briggs & Stratton 844385 Flywheel helps maintain smooth engine rotation by storing and releasing rotational energy during operation. It connects to the crankshaft and works with the ignition system to support consistent engine performance and proper ignition timing. Replacing a worn or damaged flywheel can help restore reliable engine operation and maintain proper engine function.... https://www.wholetoolbox.com/briggs-stratton-844385-flywheel/844385.html