Often times caused by Sticky Starter Switch on the handle bar. On most Honda's the light's turn Off when the starter is turned On, so as to divert all power to the ignition system.
Put a shot of spray lube around the switch button... If the problem surfaces again, then try Pulling outwards on the switch, and see if it goes away.
Put a shot of spray lube around the switch button... If the problem surfaces again, then try Pulling outwards on the switch, and see if it goes away.