| Engine | Yamaha YBR 125 | MV Agusta F4 RR |
|---|---|---|
| Displacement | 125 cc | 998 cc |
| Max power | 10 hp (@7 800 RPM) | 201 hp (@13 600 RPM) |
| Max torque | 6 lb ft (@6 000 RPM) | 81 lb ft (@9 600 RPM) |
| Redline | 10 000 RPM | 14 000 RPM |
| Idling speed | 1 250 RPM | 1 200 RPM |
| Management | Fuel Injection | Fuel Injection |
| Layout | SOHC Single | DOHC Inline-4 |
| Compression | 10.00:1 | 13.40:1 |
| Oil capacity | 1.14 quart | |
| 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 | 50.0 mm | |
| Weight to power | 28.66 lbs/hp | |
| Power to weight | 87 hp/2500lbs | |
| Battery type | YTX7L-BS, 12V 6Ah | 12V - 8.6 Ah |
| Gearbox | Yamaha YBR 125 | MV Agusta F4 RR |
|---|---|---|
| Type | Sequential | Sequential |
| Clutch | Wet | Wet |
| Drive | Chain | Chain |
| Chain type | Regina-ZRP 525 Pitch x 108 | |
| Gears count | 5 | 6 |
| Primary ratio | 3.4 | 1.708 |
| Final drive | 3.071 | 2.734 |
| 1. gear | 2.643 (26 mph) | 2.642 (86 mph) |
| 2. gear | 1.778 (39 mph) | 2.062 (111 mph) |
| 3. gear | 1.316 (53 mph) | 1.722 (133 mph) |
| 4. gear | 1.045 (66 mph) | 1.5 (153 mph) |
| 5. gear | 0.875 (79 mph) | 1.318 (173 mph) |
| 6. gear | 1.19 (193 mph) |
| Chasis | Yamaha YBR 125 | MV Agusta F4 RR |
|---|---|---|
| Frame type | Diamond steel | CrMo Steel tubular trellis |
| Front susp. | Telescopic fork, 110mm | Öhlins EC Nix USD, 43mm dia, 4.72 in travel |
| Rear susp. | Swingarm, 4.13 in travel | Öhlins progressive, TTX, Single sided swing arm, 4.72 in travel |