| Attribute | Value |
| General |
| Production from | 2021 year |
| Make | Yamaha |
| Model | Yamaha YZF-R125 |
| Category | Sport |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | 4 |
| Fuel system | Injection. EFI |
| Engine details | Add |
| Displacement | 124.7 cm³ |
| Power | 10.9 kw |
| Max RPM | Add |
| Fuel consumption | 2.13 l/100km |
| Cooling system | Liquid |
| Transmission type,final drive | Chain |
| Torque | 11.5 Nm |
| Bore | 52 mm |
| Stroke | 58.6 mm |
| Gearbox | 6-speed |
| Greenhouse gases | 49.4 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | Single Overhead Cams (SOHC) |
| Emission details | Euro 5 |
| Driveline | Constant Mesh |
| Ignition | TCI |
| Clutch | Assist and Slipper clutch |
| Lubrication system | Wet sump |
| Compression | 11.2:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | Upside-down telescopic fork, Ø 41 mm |
| Rear suspension | Linked monoshock with spring preload adjustment |
| Front brakes | Single disc |
| Rear brakes | Single disc |
| Diameter | 230 mm |
| Frame type | Compact deltabox |
| Front tyre | 100/80-17 |
| Rear tyre | 140/70-17 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | 130 mm |
| Rear wheel travel | 114 mm |
| Trail | 89 mm |
| Rake (fork angle) | 25 degree |
| Other |
| Battery capacity | Add |
| Starter | Electric |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Dual LED headlights |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,355 mm |
| Kerb weight | 144 kg |
| Dry weight | Add |
| Power/weight ratio | Add |
| Overall height | 1,065 mm |
| Overall length | 1,935 mm |
| Overall width | 680 mm |
| Seat height | 825 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 | 11.5 l |
| Oil capacity | 1.2 l |
| Width | Add |
| Height | Add |