If straight-line speed is your priority, the 990 Duke R takes the lead. With 31 HP more than the 675NK, it offers a more spirited ride that will be noticeable on highway overtakes or track days. Both bikes share a similar footprint on the scale, with only a negligible 1kg difference between them, so handling characteristics will depend more on center-of-gravity than raw weight. Riders with a shorter inseam should lean towards the 675NK. Its seat height is 30mm lower than the 990 Duke R, 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 | 675NK | 990 Duke R |
|---|---|---|
| Displacement | 675 | 947 |
| Power | 95 | 126 |
| Cylinders | 3 | 2 |
| Weight | 189 | 190 |
| Seat height | 810 | 840 |