Hey guys my name is Dustin I'm new to all this but I'm fixing up a 1992 harley davidson low rider convertible fxrs that I found it had been sitting for 20 years took off the carburetor to clean it up and drain it out and I dont remember were the hose

on the bottom of the carb goes to

 

It's just a drain / overflow tube.

Route it anywhere that looks good or simply leave it off, won't hurt a thing.

 

Run it between the cylinders and to the ground. Otherwise, when your float sticks, you'll be pissing gas onto your smoking hot exhaust. Let us know what that means...Film at 11