
| MODEL | UM DSR SM 2021 |
| Year | 2021 |
| Engine Type | Single cylinder, four-stroke |
| Displacement / Capacity | 124.2 cc / 7.58 cu in |
| Bore X Stroke | 58 x 47 mm / 2.3 x 1.9 in |
| Compression Ratio | 12.8:1 |
| Cooling System | Liquid |
| Max Power | 10.8 kW / 14.8 hp @ 10500 rpm |
| Max Torque | 10.9 Nm / 8 ft-lb @ 8250 rpm |
| Ignition | CDI |
| Induction | Injection. Marelli |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel |
| Front Suspension | Hydraulic Telescopic |
| Rear Suspension | Monoshock with adjustable preload |
| Front Brakes | Single disc. Wave disc. Hydraulic. |
| Rear Brakes | Single disc. Wave disc. Hydraulic. |
| DIMENSION SPECS | |
| Overall Length | 2182 mm / 85.9 in |
| Overall Width | 808 mm / 31.8 in |
| Overall Height | 1400 mm / 55.1 in |
| Seat Height | 880 mm / 34.6 in |
| Wheelbase | 1445 mm / 56.9 in |
| Ground Clearance | 230 mm / 9.1 in |
| Dry Weight | 121 kg / 266.8 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 110/80-17 |
| Rear Tyre | 130/70-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 5.26 Litres / 1.39 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2021 UM DSR SM is a model in the range with a 124.2 cc single cylinder, four-stroke. The listing gives a claimed output of 10.8 kW / 14.8 hp, 6-speed gearbox, chain final drive. Weight is listed as 121 kg.