| MODEL | YAMAHA MT-125 2020 |
| Year | 2020 |
| Engine Type | Four stroke, single cylinder, SOHC, 4-valves with Variable Valve Actuation |
| Displacement / Capacity | 124.7 cc / 7.6 cu in |
| Bore X Stroke | 52 x 58.6 mm |
| Compression Ratio | 11.2:1 |
| Cooling System | Liquid cooled |
| Max Power | 11 kW / 15 hp @ 9000 rpm |
| Max Torque | 11.5 Nm / 8.48 lb-ft @ 8000 rpm |
| Ignition | TCI (digital) |
| Induction | Electronic fuel injection |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | 6-speed, constant mesh |
| Clutch | Wet, multi-disc, coil spring |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel Deltabox |
| Front Suspension | 41 mm upside-down telescopic fork, 130 mm / 5.1 in travel |
| Rear Suspension | Linked monoshock, spring preload adjustment, 114 mm / 4.5 in travel |
| Front Brakes | Single 292 mm hydraulic disc, 2-channel ABS |
| Rear Brakes | Single 230 mm hydraulic disc |
| DIMENSION SPECS | |
| Overall Length | 1960 mm / 77.1 in |
| Overall Width | 800 mm / 31.4 in |
| Overall Height | 1065 mm / 41.9 in |
| Seat Height | 810 mm / 31.9 in |
| Wheelbase | 1325 mm / 52.1 in |
| Ground Clearance | 140 mm / 5.5 in |
| Dry Weight | — |
| Wet Weight | 140 kg / 308.6 lbs |
| WHEEL SPECS | |
| Front Tyre | 100/80-17 M/C 52S |
| Rear Tyre | 140/70-17 M/C 66S |
| FUEL SYSTEM | |
| Fuel Capacity | 10 Litres / 2.6 US gal |
| Fuel Consumption | — |
| Top Speed | — |
A major update that brought the MT-125 in line with the 2019 R125: new engine with variable valve actuation, revised frame and swingarm, wider rear tyre and standard ABS. Weight rose slightly while the tank shrank to 10 litres.
