| MODEL | YAMAHA YBR 125 2005 - 2007 |
| Year | 2005 - 2007 |
| Engine Type | Four stroke, single cylinder, SOHC, 2 valves |
| Displacement / Capacity | 124 cc / 7.6 cu in |
| Bore X Stroke | 54 x 54 mm |
| Compression Ratio | 10.0:1 |
| Cooling System | Air cooled |
| Max Power | 7.4 kW / 10.1 hp @ 7800 rpm |
| Max Torque | 10 Nm @ 7400 rpm |
| Ignition | CDI |
| Induction | Carburetor |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5 speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel double cradle |
| Front Suspension | Telescopic forks, 120 mm / 4.7 in wheel travel |
| Rear Suspension | Bottom link swingarm, 105 mm / 4.1 in wheel travel |
| Front Brakes | Single 245 mm disc |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 780 mm / 31.0 in |
| Wheelbase | 1290 mm / 51 in |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 106 kg / 234 lbs |
| WHEEL SPECS | |
| Front Tyre | 90/90-M21 |
| Rear Tyre | 90/90-M18 |
| FUEL SYSTEM | |
| Fuel Capacity | 12 Litres / 3.4 US gal |
| Fuel Consumption | — |
| Top Speed | — |
Introduced in 2005 as the replacement for the SR125, the YBR125 is a simple, economical air-cooled commuter with a steel double-cradle frame, a front disc and rear drum. This early version breathes through a carburetor; later models switched to fuel injection.
