Where is the oil drain plug of a 1998 Harley Fatboy?

The oil drain plug on a 1998 Harley Fat Boy is located on the bottom of the engine's oil pan, typically towards the rear. It's a hex-headed bolt that you can access from underneath the bike. Make sure to have a suitable container ready to catch the oil when you remove the plug. Always refer to the owner's manual for specific details and torque specifications.