If straight-line speed is your priority, the 990 Duke takes the lead. With 41 HP more than the Trident 660, it offers a more spirited ride that will be noticeable on highway overtakes or track days. When it comes to agility, the Trident 660 has a clear advantage. Weighing in 5kg less than the 990 Duke, 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 Trident 660. Its seat height is 20mm 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 | 990 Duke | Trident 660 |
|---|---|---|
| Displacement | 947 | 660 |
| Power | 121.4 | 80 |
| Cylinders | 2 | 3 |
| Weight | 193.8 | 189 |
| Seat height | 825 | 805 |