There's a lot of information on the packaging for your engine's motor oil, but the S designation may be one of the most ...

A magnet is attached to the engine’s crankshaft to time the voltage spikes, these spikes are fed directly into the spark plugs to cause ignition, this is why you don’t need a battery.

Not so with laser ignition, as Wintner points out ... which is comparable to that of a conventional spark plug for car engines, and this can still be reduced by using a smaller output coupler ...

Spark plugs are one of those mechanical components that can easily be forgotten about, but they do need to be changed at some ...