Honda Ex500 Generator Manual |link| | SECURE × Guide |

The EX500 is not a modern inverter generator. It uses a traditional brushless alternator and a small GX-series engine (typically a GX160 or similar 4-stroke). Without the manual, you risk:

On older units, the brushes or the capacitor may need replacement if the engine runs but no power is generated. Safety Precautions honda ex500 generator manual

Check the DC or AC circuit breakers. If they have popped out, press them back in. The EX500 is not a modern inverter generator