| Engine | Suzuki DR-Z400SM | Kawasaki Z400 |
|---|---|---|
| Displacement | 398 cc | 399 cc |
| Max power | 39 hp (@8 500 RPM) | 45 hp (@10 000 RPM) |
| Max torque | 28 lb ft (@6 600 RPM) | 28 lb ft (@8 000 RPM) |
| Redline | 10 000 RPM | 12 000 RPM |
| Idling speed | 1 200 RPM | 1 300 RPM |
| Management | Carburetor | Fuel Injection |
| Layout | DOHC Single | DOHC Inline-2 |
| Compression | 11.30:1 | 11.50:1 |
| Oil capacity | 1.70 quart | 1.89 quart |
| Oil type | SAE 10W40 | |
| Spark plug type | NGK CR8E, DENSO U24ESR-N | NGK LMAR9G |
| Cooling | Liquid | Liquid |
| Valves | 4 | 8 |
| Bore | 90.0 mm | 70.0 mm |
| Stroke | 62.6 mm | 51.8 mm |
| Throttle bore | 32.0 mm | |
| Weight to power | 8.25 lbs/hp | 8.18 lbs/hp |
| Power to weight | 302 hp/2500lbs | 305 hp/2500lbs |
| Battery type | 12V 10Ah | 12V 8Ah |
| Gearbox | Suzuki DR-Z400SM | Kawasaki Z400 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | RK520 KZO 110 links | 520 |
| Gears count | 5 | 6 |
| Primary ratio | 2.96 | 2.219 |
| Final drive | 2.733 | 2.929 |
| 1. gear | 2.285 (40 mph) | 2.929 (45 mph) |
| 2. gear | 1.733 (52 mph) | 2.056 (65 mph) |
| 3. gear | 1.375 (66 mph) | 1.619 (82 mph) |
| 4. gear | 1.09 (83 mph) | 1.333 (99 mph) |
| 5. gear | 0.863 (106 mph) | 1.154 (115 mph) |
| 6. gear | 1.037 (127 mph) |
| Chasis | Suzuki DR-Z400SM | Kawasaki Z400 |
|---|---|---|
| Frame type | Steel frame | Trellis frame |
| Front susp. | 49mm USD fork, 10.24 in travel | 41mm fork, 4.72 in travel |
| Rear susp. | Monoshock, 10.87 in travel | Monoshock, 5.12 in travel |