| Engine | Honda CB650F | Kawasaki Z400 |
|---|---|---|
| Displacement | 649 cc | 399 cc |
| Max power | 86 hp (@11 000 RPM) | 45 hp (@10 000 RPM) |
| Max torque | 63 Nm (@8 000 RPM) | 38 Nm (@8 000 RPM) |
| Redline | 11 200 RPM | 12 000 RPM |
| Idling speed | 1 200 RPM | 1 300 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-4 | DOHC Inline-2 |
| Compression | 11.40:1 | 11.50:1 |
| Oil capacity | 2.90 litre | 2.00 litre |
| Oil type | SAE 10W-30 | SAE 10W40 |
| Spark plug type | CR9EH-9 | NGK LMAR9G |
| Cooling | Liquid | Liquid |
| Valves | 16 | 8 |
| Bore | 67.0 mm | 70.0 mm |
| Stroke | 46.0 mm | 51.8 mm |
| Throttle bore | 32.0 mm | 32.0 mm |
| Weight to power | 2.42 kg/hp | 3.71 kg/hp |
| Power to weight | 413 hp/Ton | 269 hp/Ton |
| Battery type | YTZ10S 12V/8.6AH | 12V 8Ah |
| Gearbox | Honda CB650F | Kawasaki Z400 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | O ring #525, 118 links | 520 |
| Gears count | 6 | 6 |
| Primary ratio | 1.69 | 2.219 |
| Final drive | 2.8 | 2.929 |
| 1. gear | 3.071 (91 km/h) | 2.929 (73 km/h) |
| 2. gear | 2.235 (126 km/h) | 2.056 (104 km/h) |
| 3. gear | 1.777 (158 km/h) | 1.619 (132 km/h) |
| 4. gear | 1.52 (185 km/h) | 1.333 (160 km/h) |
| 5. gear | 1.333 (211 km/h) | 1.154 (185 km/h) |
| 6. gear | 1.214 (231 km/h) | 1.037 (205 km/h) |
| Chasis | Honda CB650F | Kawasaki Z400 |
|---|---|---|
| Frame type | Steel twin-spar | Trellis frame |
| Front susp. | 41mm fork, 120.00 mm travel | 41mm fork, 120.00 mm travel |
| Rear susp. | Monoshock, 43.5.00 mm travel | Monoshock, 130.00 mm travel |