| Engine | Kawasaki Ninja 400 | Suzuki DR-Z400SM |
|---|---|---|
| Displacement | 399 cc | 398 cc |
| Max power | 49 hp (@10 000 RPM) | 39 hp (@8 500 RPM) |
| Max torque | 28 lb ft (@8 000 RPM) | 28 lb ft (@6 600 RPM) |
| Redline | 9 500 RPM | 10 000 RPM |
| Idling speed | 1 200 RPM | 1 200 RPM |
| Management | Fuel Injection | Carburetor |
| Layout | DOHC Inline-2 | DOHC Single |
| Compression | 11.60:1 | 11.30:1 |
| Oil capacity | 1.70 quart | |
| Spark plug type | NGK CR8E, DENSO U24ESR-N | |
| Cooling | Liquid | Liquid |
| Valves | 8 | 4 |
| Bore | 70.0 mm | 90.0 mm |
| Stroke | 51.8 mm | 62.6 mm |
| Throttle bore | 32.0 mm | |
| Weight to power | 7.47 lbs/hp | 8.25 lbs/hp |
| Power to weight | 334 hp/2500lbs | 302 hp/2500lbs |
| Battery type | 12V 10Ah |
| Gearbox | Kawasaki Ninja 400 | Suzuki DR-Z400SM |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Slipper | Wet |
| Drive | Chain | Chain |
| Chain type | RK520 KZO 110 links | |
| Gears count | 6 | 5 |
| Primary ratio | 2.219 | 2.96 |
| Final drive | 2.929 | 2.733 |
| 1. gear | 2.929 (36 mph) | 2.285 (40 mph) |
| 2. gear | 2.056 (51 mph) | 1.733 (52 mph) |
| 3. gear | 1.619 (65 mph) | 1.375 (66 mph) |
| 4. gear | 1.333 (78 mph) | 1.09 (83 mph) |
| 5. gear | 1.154 (91 mph) | 0.863 (106 mph) |
| 6. gear | 1.037 (101 mph) |
| Chasis | Kawasaki Ninja 400 | Suzuki DR-Z400SM |
|---|---|---|
| Frame type | Steel trellis frame | Steel frame |
| Front susp. | 41mm fork, 4.72 in travel | 49mm USD fork, 10.24 in travel |
| Rear susp. | Monoshock, 5.12 in travel | Monoshock, 10.87 in travel |