With a little know-how, you can soon learn how to diagnose and fix common problems with your lawn mower's engine. Ah, spring, time to get outside and do. Cut that grass! Turn that soil! So you roll ...

Confirm that the fuel valve is on, there’s gas in the tank and the spark plug is in good shape. Shoot a one-second burst of aerosol lubricant or carburetor cleaner down the throat of the carburetor.