| Engine | Yamaha R1 | Kawasaki ER5 |
|---|---|---|
| Displacement | 998 cc | 498 cc |
| Max power | 200 hp (@13 500 RPM) | 50 hp (@9 000 RPM) |
| Max torque | 112 Nm (@11 500 RPM) | 25 Nm (@7 200 RPM) |
| Redline | 14 500 RPM | 10 500 RPM |
| Idling speed | 1 200 RPM | |
| Management | Fuel Injection | Carburetor |
| Layout | DOHC Inline-4 | DOHC Inline-2 |
| Compression | 13.00:1 | 9.80:1 |
| Oil capacity | 3.90 litre | 3.40 litre |
| Oil type | 10W40 | |
| Spark plug type | NGK DR9EA, DENSO X27ESR-U | |
| Cooling | Liquid | Liquid |
| Valves | 16 | 8 |
| Bore | 79.0 mm | 74.0 mm |
| Stroke | 50.9 mm | 58.0 mm |
| Throttle bore | 45.0 mm | |
| Weight to power | 1.00 kg/hp | 3.86 kg/hp |
| Power to weight | 1005 hp/Ton | 259 hp/Ton |
| Battery type | 12V 10Ah |
| Gearbox | Yamaha R1 | Kawasaki ER5 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 6 | 6 |
| Primary ratio | 1.634 | 2.652 |
| Final drive | 2.562 | 2.47 |
| 1. gear | 2.6 (161 km/h) | 2.571 (72 km/h) |
| 2. gear | 2.176 (192 km/h) | 1.722 (108 km/h) |
| 3. gear | 1.824 (229 km/h) | 1.333 (139 km/h) |
| 4. gear | 1.579 (265 km/h) | 1.125 (165 km/h) |
| 5. gear | 1.381 (303 km/h) | 0.961 (193 km/h) |
| 6. gear | 1.25 (335 km/h) | 0.851 (218 km/h) |
| Chasis | Yamaha R1 | Kawasaki ER5 |
|---|---|---|
| Frame type | Aluminium Deltabox | Steel cradle frame |
| Front susp. | Telescopic forks USD, Ø 43 mm, 120 mm travel | Fork |
| Rear susp. | Swingarm, (link suspension), 120.00 mm travel | Dual shock |