This DIY riding mower repair guide gives step-by-step instructions for replacing the air filter on riding lawn mowers. The air filter traps dirt from air going into the carburetor. If the air filter is clogged with dirt, the carburetor won't get enough air to mix with the fuel for combustion. A dirty air filter could be the problem if the engine stalls after starting or if it runs rough or sputters. Check the air filter regularly and replace it with a manufacturer-approved replacement part if it’s dirty. While you’re replacing the main air filter, it’s a great idea to install a new foam pre-filter too.
Follow the steps in this repair guide and video to replace the air filter on common Briggs & Stratton engines that power Craftsman, Husqvarna, John Deere, Ariens, Toro, MTD, Troybilt, Murray, Snapper and Cub Cadet riding mowers and lawn tractors.
