Note: The EX500 is not an inverter generator, but it produces relatively stable power suitable for sensitive electronics when running properly.
If the low-oil warning light illuminates, the generator may automatically shut down or refuse to start. Maintenance Highlights Spark Plug: Recommended gap is 0.9–1.0 mm (0.035–0.039 in). Carburetor Care: honda ex500 generator manual
Page 14, "Carburetor Adjustment." Solution: The idle jet is clogged from old fuel. The manual advises turning the pilot screw 1.5 turns out from seated as a baseline. For a permanent fix, remove and clean the carburetor bowl using carburetor cleaner—do not use wire or drill bits. Note: The EX500 is not an inverter generator,