| MODEL | UM DSRX 140 2021 |
| Year | 2021 |
| Engine Type | Single cylinder, four-stroke |
| Displacement / Capacity | 135 cc / 8.24 cu in |
| Bore X Stroke | 58.5 x 49.5 mm / 2.3 x 1.9 in |
| Compression Ratio | 9.2:1 |
| Cooling System | Air |
| Max Power | 7.8 kW / 10.7 hp @ 8500 rpm |
| Max Torque | 9.7 Nm / 7.2 ft-lb @ 7500 rpm |
| Ignition | CDI |
| Induction | Carburettor. PZ26 |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 5-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Hydraulic Telescopic |
| Rear Suspension | Monoshock with Spring |
| Front Brakes | Single disc |
| Rear Brakes | Expanding brake (drum brake) |
| DIMENSION SPECS | |
| Overall Length | 2110 mm / 83.1 in |
| Overall Width | 810 mm / 31.9 in |
| Overall Height | 1130 mm / 44.5 in |
| Seat Height | 860 mm / 33.9 in |
| Wheelbase | 1330 mm / 52.4 in |
| Ground Clearance | 240 mm / 9.4 in |
| Dry Weight | 132 kg / 291 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 90/90-19 |
| Rear Tyre | 110/90-17 |
| FUEL SYSTEM | |
| Fuel Capacity | 6.3 Litres / 1.66 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2021 UM DSRX 140 is listed as a enduro / offroad model with a 135 cc single cylinder, four-stroke. The listing gives a claimed output of 7.8 kW / 10.7 hp, 5-speed gearbox, chain final drive. Weight is listed as 132 kg.
