| General information | |
| Model: | Yamaha YZF-R125 |
| Year: | 2012 |
| Category: | Sport |
| Displacement: | 124.70 ccm (7.61 cubic inches) |
| Engine type: | Single cylinder, four-stroke |
| Power: | 14.75 HP (10.8 kW)) |
| Torque: | 12.24 Nm (1.2 kgf-m or 9.0 ft.lbs) |
| Compression: | 11.2:1 |
| Bore x stroke: | 52.0 x 58.6 mm (2.0 x 2.3 inches) |
| Valves per cylinder: | 4 |
| Fuel system: | Injection. Electronic Fuel Injection |
| Fuel control: | SOHC |
| Ignition: | TCI (digital) |
| Lubrication system: | Wet sump |
| Cooling system: | Liquid |
| Gearbox: | 6-speed |
| Transmission type, final drive: | Chain |
| Clutch: | Wet, multiple-disc coil spring |
| Frame type: | Steel Deltabox |
| Rake (fork angle): | 24.2° |
| Trail: | 86 mm (3.4 inches) |
| Front suspension: | Telescopic forks |
| Front suspensiontravel: | 130 mm (5.1 inches) |
| Rear suspension: | Linked monoshock with spring preload adjustment |
| Rear suspension travel: | 125 mm (4.9 inches) |
| Front tyre dimensions: | 100/80-M17 |
| Rear tyre dimensions: | 130/70-M17 |
| Front brakes: | Single disc |
| Front brakes diameter: | 292 mm (11.5 inches) |
| Rear brakes: | Single disc |
| Rear brakes diameter: | 230 mm (9.1 inches) |
| Weight incl. oil, gas, etc: | 138.0 kg (304.2 pounds) |
| Seat height: | 818 mm (32.2 inches) If adjustable, lowest setting. |
| Overall height: | 970 mm (38.2 inches) |
| Overall length: | 2,015 mm (79.3 inches) |
| Overall width: | 660 mm (26.0 inches) |
| Ground clearance: | 155 mm (6.1 inches) |
| Wheelbase: | 1,355 mm (53.3 inches) |
| Fuel capacity: | 13.80 litres (3.65 gallons) |
| Oil capacity: | 1.20 litres (0.08 quarts) |
| Starter: | Electric |
| Color options: | Grey, blue, white |
