not exactly a 7R, but it's the same principle.
Taken from
www.2wf.com 's 1999 cbr f4 review:
On the intake side of the engine, the F4 now has a for-real ram-air system that features weird looking polyps just inside of each ram-air opening. Other bikes have these things also, such as the Kawasaki ZX6-R and if you've been wondering why they're there, it's to help reduce the chances of improper mixture when a rider goes full-on throttle at low speeds.Without the bike moving forward to create pressure inside the airbox, a hard twist of the
throttle at low speeds can momentarily use up all of the air within the box. The intake sacs provide a greater volume of air within the bike to keep the engine from over-richening under those conditions. They're sort of like having a third lung.