| MODEL | YAMAHA MT-03 2021 |
| Year | 2021 |
| Engine Type | Four stroke, parallel twin cylinder, 4 valve per cylinder |
| Displacement / Capacity | 321 cc / 19.5 cu in |
| Bore X Stroke | 68.0 x 44.1 mm |
| Compression Ratio | 11.2:1 |
| Cooling System | Liquid cooled |
| Max Power | 30.9 kW / 41.4 hp @ 10750 rpm |
| Max Torque | 29.6 Nm / 22 lb-ft @ 9000 rpm |
| Ignition | TCI: Transistor Controlled Ignition |
| Induction | Electronic Fuel Injection |
| Start System | Electric |
| TRANSMISSION SPECS | |
| Lubrication | Wet sump |
| Gear Box | Constant Mesh, 6-speed |
| Clutch | Wet, multiple-disc coil spring |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Delta box |
| Front Suspension | 37 mm non-adjustable KYB inverted forks |
| Rear Suspension | Linkage-assisted, spring-preload adjustable KYB shock |
| Front Brakes | Single 298 mm disc, ABS |
| Rear Brakes | Single 220 mm disc, ABS |
| DIMENSION SPECS | |
| Overall Length | 2090.4 mm / 82.3 in |
| Overall Width | 718.8 mm / 28.3 in |
| Overall Height | — |
| Seat Height | 779.7 mm / 30.7 in |
| Wheelbase | 1379.2 mm / 54.3 in |
| Ground Clearance | 160 mm / 6.2 in |
| Dry Weight | — |
| Wet Weight | 167 kg / 370 lbs |
| WHEEL SPECS | |
| Front Tyre | 110/70-17 |
| Rear Tyre | 140/70-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 14 Litres / 3.7 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2021 MT-03 is a carry-over of the 2020 update, with inverted forks, a preload-adjustable linkage rear shock and ABS on the single front and rear discs. It continues as the entry-level naked in the MT range, powered by the 321 cc parallel twin.
