| Engine | KTM 790 DUKE | Kawasaki Z400 |
|---|---|---|
| Engine code | LC8e | |
| Displacement | 799 cc | 399 cc |
| Max power | 105 hp (@9 000 RPM) | 45 hp (@10 000 RPM) |
| Max torque | 62 lb ft (@8 000 RPM) | 28 lb ft (@8 000 RPM) |
| Redline | 10 000 RPM | 12 000 RPM |
| Idling speed | 1 200 RPM | 1 300 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-2 | DOHC Inline-2 |
| Compression | 12.70:1 | 11.50:1 |
| Oil capacity | 1.89 quart | |
| Oil type | SAE 10W40 | |
| Spark plug type | NGK LMAR9G | |
| Cooling | Liquid | Liquid |
| Valves | 8 | 8 |
| Bore | 88.0 mm | 70.0 mm |
| Stroke | 65.7 mm | 51.8 mm |
| Throttle bore | 42.0 mm | 32.0 mm |
| Weight to power | 3.97 lbs/hp | 8.18 lbs/hp |
| Power to weight | 629 hp/2500lbs | 305 hp/2500lbs |
| Battery type | 12V 8Ah |
| Gearbox | KTM 790 DUKE | Kawasaki Z400 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Slipper | Wet |
| Drive | Chain | Chain |
| Chain type | 520 X-Ring | 520 |
| Gears count | 6 | 6 |
| Primary ratio | 1.923 | 2.219 |
| Final drive | 2.75 | 2.929 |
| 1. gear | 2.846 (49 mph) | 2.929 (45 mph) |
| 2. gear | 2.0 (70 mph) | 2.056 (65 mph) |
| 3. gear | 1.55 (90 mph) | 1.619 (82 mph) |
| 4. gear | 1.272 (109 mph) | 1.333 (99 mph) |
| 5. gear | 1.083 (129 mph) | 1.154 (115 mph) |
| 6. gear | 0.956 (146 mph) | 1.037 (127 mph) |
| Chasis | KTM 790 DUKE | Kawasaki Z400 |
|---|---|---|
| Frame type | CRMO steel frame, stressed engine | Trellis frame |
| Front susp. | WP 43mm USD, 5.51 in travel | 41mm fork, 4.72 in travel |
| Rear susp. | WP shock absorber, 5.91 in travel | Monoshock, 5.12 in travel |