If straight-line speed is your priority, the Ninja ZX-6R takes the lead. With 32 HP more than the 675SR [SS], 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 3kg 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 [675SR [SS]](/cfmoto/675sr/2025). Its seat height is 20mm lower than the Ninja ZX-6R, making it much easier to flat-foot at stoplights and increasing confidence during stops. Bottom Line: While both are capable, the zx6r offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.
| Spec | 675SR [SS] | Ninja ZX-6R |
|---|---|---|
| Displacement | 675 | 636 |
| Power | 95 | 127 |
| Cylinders | 3 | 4 |
| Weight | 194.6 | 198 |
| Seat height | 810 | 830 |
| MSRP (US) | 7999 | 11599 |