If straight-line speed is your priority, the 990 Duke takes the lead. With 28 HP more than the CB650R, it offers a more spirited ride that will be noticeable on highway overtakes or track days. When it comes to agility, the 990 Duke has a clear advantage. Weighing in 11kg less than the CB650R, it will feel significantly easier to handle in low-speed traffic, parking maneuvers, and twisty corners. Riders with a shorter inseam should lean towards the CB650R. Its seat height is 15mm lower than the 990 Duke, making it much easier to flat-foot at stoplights and increasing confidence during stops. Bottom Line: While both are capable, the 990duke offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.
| Spec | CB650R | 990 Duke |
|---|---|---|
| Displacement | 649 | 947 |
| Power | 93.9 | 121.4 |
| Cylinders | 4 | 2 |
| Weight | 205 | 193.8 |
| Seat height | 810 | 825 |