Combustion engines -- like the one in your lawn mower -- require a spark to ignite the fuel the engine needs for operation. That spark is delivered by an ignition coil, sometimes called a magneto. The coil gets its name from the two sets of wires "coiled" around its central metal core. read more
The ignition system is the starting system for your small engine. Whether you start the engine with a pull rope or the turn of a key on an electric start motor, you're relying on the ignition system to produce a spark inside the combustion chamber. read more
To test the ignition coil of a lawn mower, check resistance between the spark plug boot and the coil housing, using an ohmmeter. To test the ignition coil of a lawn mower, check resistance between the spark plug boot and the coil housing, using an ohmmeter. read more