| MODEL | YAMAHA XT 125R 2003 - 2008 |
| Year | 2003 - 2008 |
| 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 | 9.2 kW / 12.5 hp @ 8000 rpm |
| Max Torque | 11.7 Nm / 1.2 kgf-m @ 6500 rpm |
| Ignition | CDI |
| Induction | Mikuni TM28-92 |
| Start System | Electric and kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Box section semi double cradle |
| Front Suspension | Telescopic fork, 170 mm / 6.6 in wheel travel |
| Rear Suspension | Monocross with linkage, 190 mm / 7.4 in wheel travel |
| Front Brakes | Single 245 mm disc |
| Rear Brakes | Single 220 mm disc |
| DIMENSION SPECS | |
| Overall Length | 1995 mm / 78.5 in |
| Overall Width | 840 mm / 33 in |
| Overall Height | — |
| Seat Height | 860 mm / 34 in |
| Wheelbase | 1335 mm / 52.6 in |
| Ground Clearance | — |
| Dry Weight | 111 kg / 245 lbs |
| Wet Weight | 122.2 kg / 269 lbs |
| WHEEL SPECS | |
| Front Tyre | 90/90-21 |
| Rear Tyre | 120/80-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 10 Litres / 2.2 US gal |
| Fuel Consumption | — |
| Top Speed | 95.2 km/h |
The XT125R is an entry-level enduro-styled bike built around the 124 cc single shared with the YBR125, with styling taken from the larger XT660R. It has a 21-inch front and 18-inch rear wheel, a low 860 mm seat and an electronic multi-function display. Engine parts come from Brazil, while the bike was assembled in Italy for Europe.
