This probably isn't it.
Kawasaki has a 650cc Parallel Twin concept, the ER-6N shown above, rumoured to be filled with mechanical weirdness.
Then of course, there's the Suzuki Boost King Concept, featuring a turbocharged version of the 1300cc Hayabusa motor, in case you're in a hurry.
The Suzuki Stratosphere Concept, with an 1100cc, inline six-cylinder engine and a claimed 180hp.
Can you say Katana? I knew you could . . .
Concerned about losing ground in the Ugly Motorcycle competition, BMW countered with the F800S . . .
I think I'll go add some chromey thingy to my Dresser . . .