One of my favorite YouTube guys is Paul Pomerleau. The coincidental fact that he and I own two of the same model bikes is just a bonus for me. He explains stuff in a thorough, down-home way...often in his house slippers! One modification I find useful is to zip-tie a length of narrowed paint stick to the fuel tank end of the hose, which takes out the curl and allows the tube to be positioned at the very bottom of the tank.
Be aware that this technique empties the tank quickly, so be ready to raise the gas can/tube above the fuel tank (to stop the flow) if switching to a second gas can. An alternative is to crimp the hose shut with a locking pliers. If you have only one gas can, pause the flow by securing the raised tube to the handlebar (or crimp the hose shut) then empty the gas can into your car (assuming the fuel is useable).
(click on an image to enlarge)