Every electric racing motorcycle we’ve seen so far has suffered from one major problem: Physics.
They’re all perfectly capable of transforming electrons into motive power. And some, like Chip Yates’ 190.6-mph beast, are blindingly quick. But in their pursuit of powertrain innovation, the people building these machines have overlooked, if not forgotten, what’s made internal-combustion-engine motorcycles [...]
Source: http://www.wired.com/autopia/2011/04/amarok-p1-electric-motorcycle/