| Attribute | Value |
| General |
| Production from | 2008 year |
| Make | Yamaha |
| Model | Yamaha YZF-R125 |
| Category | Sport |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | Add |
| Fuel system | Injection |
| Engine details | Add |
| Displacement | 124.7 cm³ |
| Power | 10.8 kw |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Liquid |
| Transmission type,final drive | Chain |
| Torque | 12.2 Nm |
| Bore | 52 mm |
| Stroke | 58.6 mm |
| Gearbox | Add |
| Greenhouse gases | Add |
| Fuel control | Single Overhead Cams (SOHC) |
| Emission details | Add |
| Driveline | Add |
| Ignition | TCI |
| Clutch | Wet, multiple-disc coil spring |
| Lubrication system | Wet sump |
| Compression | 11.2:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | Telescopic forks |
| Rear suspension | Swingarm (monocross) |
| Front brakes | Single disc |
| Rear brakes | Single disc |
| Diameter | 230 mm |
| Frame type | Steel Deltabox |
| Front tyre | 100/80-M17 |
| Rear tyre | 130/70-M17 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | 110 mm |
| Rear wheel travel | 95 mm |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Electric |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,355 mm |
| Kerb weight | Add |
| Dry weight | 126 kg |
| Power/weight ratio | 0.0854 |
| Overall height | 970 mm |
| Overall length | 2,015 mm |
| Overall width | 660 mm |
| Seat height | 818 mm |
| Alternate seat height | Add |
| Ground clearance | 155 mm |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | Add |
| Fuel capacity | 13.8 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |