Jay Leno's Garage

When iconoclastic inventor Alfred Angas Scott opened up shop in 1910, his water-cooled two-strokes clocked such speeds at the Isle of Man Tourist Trophy Race that they were deemed overly efficient, and were handicapped in subsequent races.

Scott Flying Squirrel Motorcycle

This 475-pound beauty originally sold for $2,995 and features an 828cc vertical twin, which tops out at 115 mph.

New photos of the Ducati Desmosedici RR, looks fast! View Photos>

The day Russell Ballentine bought a 7-cylinder, 2800cc Rotec radial aircraft engine, a dream was born. After acquiring a few more parts and modifying the engine, Ballentine enlisted Jesse James to build a prototype. Thus, the outrageous Radial Hell. View Photos >

Ducati's latest offering is kind of like four motorcycles in one, allowing you to switch modes on the fly with the touch of a button. View Photos>

After selling his company to bicycle magnate Ignaz Schwinn, William G. Henderson founded the Ace Motor Corporation in 1919 to reboot his dream of building the perfect four-cylinder motorcycle...

BMW's new superbike takes it to a whole 'nother level! Weighing just over 400 pounds, this inline-four outputs 193 hp at 13,000 rpm, redlining at 14,200.