| Engine | Kawasaki Ninja 400 | Yamaha R1 |
|---|---|---|
| Displacement | 399 cc | 998 cc |
| Max power | 49 hp (@10 000 RPM) | 200 hp (@13 500 RPM) |
| Max torque | 28 lb ft (@8 000 RPM) | 82 lb ft (@11 500 RPM) |
| Redline | 9 500 RPM | 14 500 RPM |
| Idling speed | 1 200 RPM | |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-2 | DOHC Inline-4 |
| Compression | 11.60:1 | 13.00:1 |
| Oil capacity | 3.69 quart | |
| Cooling | Liquid | Liquid |
| Valves | 8 | 16 |
| Bore | 70.0 mm | 79.0 mm |
| Stroke | 51.8 mm | 50.9 mm |
| Throttle bore | 32.0 mm | 45.0 mm |
| Weight to power | 7.47 lbs/hp | 2.19 lbs/hp |
| Power to weight | 334 hp/2500lbs | 1139 hp/2500lbs |
| Gearbox | Kawasaki Ninja 400 | Yamaha R1 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Slipper | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 6 | 6 |
| Primary ratio | 2.219 | 1.634 |
| Final drive | 2.929 | 2.562 |
| 1. gear | 2.929 (36 mph) | 2.6 (100 mph) |
| 2. gear | 2.056 (51 mph) | 2.176 (119 mph) |
| 3. gear | 1.619 (65 mph) | 1.824 (142 mph) |
| 4. gear | 1.333 (78 mph) | 1.579 (165 mph) |
| 5. gear | 1.154 (91 mph) | 1.381 (188 mph) |
| 6. gear | 1.037 (101 mph) | 1.25 (208 mph) |
| Chasis | Kawasaki Ninja 400 | Yamaha R1 |
|---|---|---|
| Frame type | Steel trellis frame | Aluminium Deltabox |
| Front susp. | 41mm fork, 4.72 in travel | Telescopic forks USD, Ø 43 mm, 120 mm travel |
| Rear susp. | Monoshock, 5.12 in travel | Swingarm, (link suspension), 4.72 in travel |