Here's a photo timeline for Honda motorcycle dual clutch transmission. It shows what Honda year and model motorcycles used a dual clutch transmission. For those of you who don't know what a dual clutch transmission is, it's a type of transmission that allows the motorcycle to shift gears automatically. It automatically engages and disengages the clutch just like the automatic transmission in most cars and trucks.
Here's a link to Honda's dual clutch transmission website:
Honda Motorcycle Dual Clutch TransmissionClick on image to enlarge: