| Engine | Husqvarna Vitpilen 401 | Kawasaki Ninja 400 |
|---|---|---|
| Displacement | 373 cc | 399 cc |
| Max power | 42 hp (@9 000 RPM) | 49 hp (@10 000 RPM) |
| Max torque | 27 lb ft (@7 000 RPM) | 28 lb ft (@8 000 RPM) |
| Redline | 10 000 RPM | 9 500 RPM |
| Idling speed | 1 680 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Single | DOHC Inline-2 |
| Compression | 12.60:1 | 11.60:1 |
| Oil capacity | 1.42 quart | |
| Oil type | 15W50 | |
| Spark plug type | BOSCH VR5NEU | |
| Cooling | Liquid | Liquid |
| Valves | 4 | 8 |
| Bore | 60.0 mm | 70.0 mm |
| Stroke | 89.0 mm | 51.8 mm |
| Throttle bore | 46.0 mm | 32.0 mm |
| Weight to power | 8.50 lbs/hp | 7.47 lbs/hp |
| Power to weight | 293 hp/2500lbs | 334 hp/2500lbs |
| Battery type | HTZ12A-BS, 12V 10Ah |
| Gearbox | Husqvarna Vitpilen 401 | Kawasaki Ninja 400 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Slipper | Slipper |
| Drive | Chain | Chain |
| Chain type | 520 | |
| Gears count | 6 | 6 |
| Primary ratio | 2.666 | 2.219 |
| Final drive | 3.0 | 2.929 |
| 1. gear | 2.666 (34 mph) | 2.929 (36 mph) |
| 2. gear | 1.857 (48 mph) | 2.056 (51 mph) |
| 3. gear | 1.421 (63 mph) | 1.619 (65 mph) |
| 4. gear | 1.142 (78 mph) | 1.333 (78 mph) |
| 5. gear | 0.956 (94 mph) | 1.154 (91 mph) |
| 6. gear | 0.84 (107 mph) | 1.037 (101 mph) |
| Chasis | Husqvarna Vitpilen 401 | Kawasaki Ninja 400 |
|---|---|---|
| Frame type | Steel trellis frame | Steel trellis frame |
| Front susp. | 43mm WP USD, 5.59 in travel | 41mm fork, 4.72 in travel |
| Rear susp. | WP monoshock, 5.91 in travel | Monoshock, 5.12 in travel |