Sims Motorsports Hayabusa

This is not the sort of bike you’d normally find here. But we’ve never featured a Hayabusa before, and this one is projected to do a remarkable 230 mph—or 370 kph, depending on where you live. To put that into perspective, BMW’s all-conquering S1000RR tops out at around 195 mph. This particular GSX1300R was built by Sims Motorsports in the US, and is much more interesting than the average tweaked superbike. For starters, although it’s running a nitrous injection system, the crankshaft and connecting rods are stock. The fuel injectors are stock too. A heavy-duty crankcase stops the motor from...