| Engine | Yamaha R1 | Kawasaki Ninja 125 |
|---|---|---|
| Displacement | 998 cc | 125 cc |
| Max power | 170 hp (@12 500 RPM) | 15 hp (@10 000 RPM) |
| Max torque | 78 lb ft (@10 500 RPM) | 8 lb ft (@7 700 RPM) |
| Redline | 13 500 RPM | 10 500 RPM |
| Idling speed | 1 200 RPM | |
| Management | Fuel Injection | Fuel Injection |
| Layout | DOHC Inline-4 | DOHC Single |
| Compression | 12.40:1 | 11.70:1 |
| Oil capacity | 3.60 quart | |
| Oil type | 15W50, Motul 300V 15W50, Liqui Moly 15W50 | |
| Spark plug type | NGK CR9EK | |
| Cooling | Liquid | Liquid |
| Valves | 16 | 4 |
| Bore | 77.0 mm | 58.0 mm |
| Stroke | 53.6 mm | 47.2 mm |
| Throttle bore | 28.0 mm | |
| Weight to power | 2.52 lbs/hp | 21.75 lbs/hp |
| Power to weight | 993 hp/2500lbs | 114 hp/2500lbs |
| Gearbox | Yamaha R1 | Kawasaki Ninja 125 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 6 | 6 |
| Primary ratio | 1.512 | 2.966 |
| Final drive | 2.647 | 3.5 |
| 1. gear | 2.533 (97 mph) | 2.83 (25 mph) |
| 2. gear | 2.063 (119 mph) | 1.875 (39 mph) |
| 3. gear | 1.762 (139 mph) | 1.444 (50 mph) |
| 4. gear | 1.522 (161 mph) | 1.208 (60 mph) |
| 5. gear | 1.364 (180 mph) | 1.056 (69 mph) |
| 6. gear | 1.269 (194 mph) | 0.962 (76 mph) |
| Chasis | Yamaha R1 | Kawasaki Ninja 125 |
|---|---|---|
| Frame type | Diamond | Diamond steel frame |
| Front susp. | Telescopic fork - Coil spring/oil damper (120 mm travel) | 37mm Telescopic fork, 4.33 in travel |
| Rear susp. | Swingarm (link suspension) - Coil spring/gas-oil damper | Uni-Trak monoshock, 4.72 in travel |