Supermotos
2021UM DSR SM
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The 2021 UM DSR SM is a lightweight 124cc super motard designed for beginner and entry-level riders seeking affordable urban fun. Its compact single-cylinder engine delivers modest power with a nimble, flickable chassis ideal for city streets and tight handling courses. Known for value-for-money performance and easy manageability, this bike excels in urban commuting and learner-friendly recreational riding.
- Capacity
- 124.2 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 121.0 kg
- Seat height
- 880 mm
- Power
- 14.8 HP (10.8 kW) @ 10500 RPM
What’s new for the 2021 UM DSR SM
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Fuel capacity | 11.20 litres (2.96 US gallons) | 5.30 litres (1.40 US gallons) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's designed as a small-capacity supermotard for zipping through city streets, tight corners, and short playful rides rather than sustained high-speed travel.
- Built for
- It has a nimble, flickable, go-kart-like character with sharp steering geometry and minimal weight, rewarding playful riding over straight-line speed.
- Not ideal for
- It's not suited for riders seeking highway touring, high-speed cruising, serious off-road adventure, or carrying a passenger in comfort.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 124.2 ccm
- Power
- 14.8 HP (10.8 kW) @ 10500 RPM
- Torque
- 10.9 Nm (1.1 kgf-m) @ 8250 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1223 HP/kg (dry)
- Bore x stroke
- 58.0 x 47.0 mm
- Compression
- 12.8:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric & kick
- Ignition
- CDI
- Valves per cylinder
- 4
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1445 mm
- Overall length
- 2182 mm
- Overall width
- 808 mm
- Overall height
- 1400 mm
- Seat height
- 880 mm
- Dry weight
- 121.0 kg
- Fuel capacity
- 5.30 litres
- Ground clearance
- 230 mm
Chassis & suspension
- Frame
- Steel
- Front suspension
- Hydraulic Telescopic
- Rear suspension
- Monoshock with adjustable preload
- Front wheel travel
- 245 mm
- Rear wheel travel
- 225 mm
Brakes & wheels
- Front brakes
- Single disc. Wave disc. Hydraulic.
- Front brakes diameter
- 300 mm
- Rear brakes
- Single disc. Wave disc. Hydraulic.
- Rear brakes diameter
- 220 mm
- Front tyre
- 110/80-17
- Rear tyre
- 130/70-17
Other
- Color options
- Black/Red, Red/Black, White/Orange
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2018 | 2019 | 2020 | 2021 |
|---|---|---|---|---|
| Capacity | 124 cc | 124 cc | 124 cc | 124 cc |
| Dry weight | 121 kg | 121 kg | 121 kg | 121 kg |
| Seat height | 880 mm | 880 mm | 880 mm | 880 mm |
| Fuel capacity | 11.2 L | 11.2 L | 11.2 L | 5.3 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the UM DSR SM?
The 2021 UM DSR SM has a Capacity of 124.2 ccm (7.58 cubic inches).
What engine power does the UM DSR SM have?
The 2021 UM DSR SM has a Power of 14.8 HP (10.8 kW) @ 10500 RPM.
How many gears does the UM DSR SM have?
The 2021 UM DSR SM has a Gearbox of 6-speed.
What is the torque of the UM DSR SM?
The 2021 UM DSR SM has a Torque of 10.9 Nm (1.1 kgf-m or 8.0 ft.lbs) @ 8250 RPM.
How much does the UM DSR SM weigh?
The 2021 UM DSR SM has a Dry weight of 121.0 kg (266.8 pounds).
Shop this bike
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The 2021 UM DSR SM motorcycle is a powerful and versatile bike that offers excellent handling and performance. Whether you're cruising around the city or hitting the open road, this bike is a joy to ride. With its sleek design and powerful engine, the UM DSR SM commands attention on the road. The bike's nimble handling and responsive brakes make it perfect for navigating through traffic or taking on tight corners. Overall, the 2021 UM DSR SM is a top choice for anyone looking for a high-performance motorcycle that delivers both style and substance.
If you're in the market for a new motorcycle, the 2021 UM DSR SM should definitely be on your radar. With its impressive performance and sleek design, this bike is sure to turn heads wherever you go. Whether you're a seasoned rider or a beginner, the UM DSR SM offers a smooth and enjoyable riding experience. Plus, with its competitive price point, it's an affordable option for anyone in the market for a high-quality bike. Don't miss out on the chance to experience the thrill of riding the 2021 UM DSR SM.
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