Bore and stroke (73.4 x 59.0mm for 999cc displacement) remain unchanged, but pretty much everything else is different. The cylinder head has been completely redesigned, with reshaped intake and exhaust ports that are now 8 percent larger. Exhaust valves have grown 2mm to 26mm and are acted on by more aggressive cams. Even bigger changes can be found upstream in the fuel-injection system, where you'll find a downsized version of the Suzuki Dual Throttle Valve (SDTV). New showerhead-style injectors boast 12 smaller spray holes (compared to four last year) to better atomize fuel, and the secondary injectors have been repositioned at a steeper, 30-degree angle to squirt more directly into the intake ports. Down below, a new, self-adjusting hydraulic clutch (boosted by a radial master cylinder) enables smoother, more predictable and more consistent application of the back-torque-limiting "slipper" mechanism. Lastly, the cooling system has been revamped with a larger, works-type trapezoidal radiator that offers 10 percent more cooling capacity and a reshaped oil cooler that boosts its capacity by 30 percent, the latter fed by a larger-capacity oil pump.