| Attribute | Value |
| General |
| Production from | 2017 year |
| Make | Yamaha |
| Model | Yamaha Mio M3 125 |
| Category | Scooter |
| Engine and transmission |
| Engine type | Single cylinder, four-stroke |
| Valves per cylinder | Add |
| Fuel system | Injection |
| Engine details | Add |
| Displacement | 125 cm³ |
| Power | 6.9 kw |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Air |
| Transmission type,final drive | Belt |
| Torque | 9.6 Nm |
| Bore | 52.4 mm |
| Stroke | 57.9 mm |
| Gearbox | Automatic |
| Greenhouse gases | Add |
| Fuel control | Single Overhead Cams (SOHC) |
| Emission details | Add |
| Driveline | Add |
| Ignition | TCI |
| Clutch | Add |
| Lubrication system | Add |
| Compression | 9.5:1 |
| Exhaust system | Add |
| Chassis |
| Front suspension | Telescopic fork |
| Rear suspension | Unit swingarm |
| Front brakes | Single disc |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | Add |
| Frame type | Underbone |
| Front tyre | 80/80-14 |
| Rear tyre | 100/70-14 |
| Seat | Add |
| Wheels | Add |
| Front wheel travel | Add |
| Rear wheel travel | Add |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Electric & kick |
| Color options | Add |
| Carrying capacity | Underseat storage |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,260 mm |
| Kerb weight | Add |
| Dry weight | 94 kg |
| Power/weight ratio | 0.0734 |
| Overall height | 1,035 mm |
| Overall length | 1,879 mm |
| Overall width | 685 mm |
| Seat height | 760 mm |
| Alternate seat height | Add |
| Ground clearance | Add |
| 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 | 4.2 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |