Awhile back I seem to recall someone asking about changing the low-beam headlight bulb [0n a Gen 1...?].
MINE on the '08 died a few days ago, so I got another H7 bulb, and went to work:
removed the 'shield, then the L and R fairings so I could access the headlight;
removed two 6mm bolts (10mm socket), one per side about 1.5" from the top, and two nuts (10mm socket again), one each facing forward at the bottom corners;
then lowered the headlight assembly to the front fender [onto a large towel put there to protect the fender); and
removed BOTH headlight sockets, so I could put the current hi-beam bulb into the lo-beam socket, then replace the hi-beam bulb w/ the H7 bulb I just purchased.
Then I reversed the work, 'buttoned' it up, and made a notation in my "maintenance log". [I had replaced the OEM low-beam back in Feb '13 at 40,548 miles, THIS one at 81,247 miles on 19 Dec this year.]
So-o-o - the OEM lo-beam had lasted 40,548 miles, while THIS lo-beam had 'served' as a hi-beam for the SAME 40,548 miles, PLUS as lo-beam for an additional 40,699 miles BEFORE it 'died'.
Pretty good durability if you ask me....