| Engine | Yamaha YBR 125 | Yamaha R1 |
|---|---|---|
| Displacement | 125 cc | 998 cc |
| Max power | 10 hp (@7 800 RPM) | 200 hp (@13 500 RPM) |
| Max torque | 9 Nm (@6 000 RPM) | 112 Nm (@11 500 RPM) |
| Redline | 10 000 RPM | 14 500 RPM |
| Idling speed | 1 250 RPM | |
| Management | Fuel Injection | Fuel Injection |
| Layout | SOHC Single | DOHC Inline-4 |
| Compression | 10.00:1 | 13.00:1 |
| Oil capacity | 1.20 litre | 3.90 litre |
| Oil type | 10W30, 10W40 | |
| Spark plug type | NGK CR6HSA | |
| Cooling | Air | Liquid |
| Valves | 2 | 16 |
| Bore | 54.0 mm | 79.0 mm |
| Stroke | 54.0 mm | 50.9 mm |
| Throttle bore | 45.0 mm | |
| Weight to power | 13.00 kg/hp | 1.00 kg/hp |
| Power to weight | 76 hp/Ton | 1005 hp/Ton |
| Battery type | YTX7L-BS, 12V 6Ah |
| Gearbox | Yamaha YBR 125 | Yamaha R1 |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | ||
| Gears count | 5 | 6 |
| Primary ratio | 3.4 | 1.634 |
| Final drive | 3.071 | 2.562 |
| 1. gear | 2.643 (42 km/h) | 2.6 (161 km/h) |
| 2. gear | 1.778 (63 km/h) | 2.176 (192 km/h) |
| 3. gear | 1.316 (85 km/h) | 1.824 (229 km/h) |
| 4. gear | 1.045 (107 km/h) | 1.579 (265 km/h) |
| 5. gear | 0.875 (128 km/h) | 1.381 (303 km/h) |
| 6. gear | 1.25 (335 km/h) |
| Chasis | Yamaha YBR 125 | Yamaha R1 |
|---|---|---|
| Frame type | Diamond steel | Aluminium Deltabox |
| Front susp. | Telescopic fork, 110mm | Telescopic forks USD, Ø 43 mm, 120 mm travel |
| Rear susp. | Swingarm, 105.00 mm travel | Swingarm, (link suspension), 120.00 mm travel |