Generator spark plug not lighting?

The spark plug does not light. First check if the spark plug is damaged. You can also unplug the high voltage cap and apply the high voltage wire to the metal parts of the engine or body to ignite. no fire, check igniter, high voltage box, magneto coil, etc. Check whether the electric door lock and the wiring between them are normal. If there is a fire in the high voltage line, check whether the high voltage cap. is damaged, or replace the spark plug directly.