Technical Specification Yamaha TT-R125L:
| Engine | 4-stroke, air-cooled, SOHC, 2-valve, single |
| Displacement | 124cc |
| Bore and Stroke | 54 x 54mm |
| Compression Ratio | 10:1 |
| Maximum Torque | 1kg-m (7.4 ft-lb)@ 6,500 rpm |
| Fuel Delivery | Mikuni VM20 |
| Ignition / Starting | CDI / Kick |
| Transmission | 5-speed w/manual clutch |
| Final Drive | Chain |
| Suspension (Front) | 31mm fork / 180mm (7.1″) |
| Suspension (Rear) | Adjustable link-type Monocross / 168mm (6.6″) |
| Brakes (Front) | 220mm disc |
| Brakes (Rear) | Drum |
| Tires (Front) | 70/100-19 |
| Tires (Rear) | 90/100-16 |
| Length | 1,900mm (74.8″) |
| Width | 795mm (31.3″) |
| Height | 1,085mm (42.7″) |
| Wheelbase | 1,270mm (50″) |
| Ground Clearance | 295mm (11.6″) |
| Seat Height | 805mm (31.7″) |
| Fuel Capacity | 6 litres (1.3 imp. gallons) |
| Wet Weight | 84kg (184.8 lb) |
| Colour(s) | Blue |
