Supermotos
2026UM DSR 125 SM
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The 2026 UM DSR 125 SM is a learner supermoto from UM. Its liquid-cooled 124.6cc single makes 14.8 hp at 10,750 rpm through a six-speed gearbox. An 865 mm seat, 124 kg dry weight and 6.3-litre tank make it light and agile.
- Capacity
- 124.6 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 124.0 kg
- Seat height
- 865 mm
- Power
- 14.8 HP (10.8 kW) @ 10750 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for nimble road riding and tight urban streets, combining dirt-bike agility with road tyres.
- Built for
- A supermoto from UM with a 125cc engine; its character is easy-going and economical, with 15 hp on tap.
- Not ideal for
- Not for long-distance touring 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
- 124.6 ccm
- Power
- 14.8 HP (10.8 kW) @ 10750 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1194 HP/kg (dry)
- Bore x stroke
- 58.0 x 47.0 mm
- Compression
- 9.2:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- CDI
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
Dimensions & weight
- Wheelbase
- 1425 mm
- Overall length
- 2080 mm
- Overall width
- 825 mm
- Overall height
- 1180 mm
- Seat height
- 865 mm
- Dry weight
- 124.0 kg
- Fuel capacity
- 6.30 litres
- Ground clearance
- 160 mm
Chassis & suspension
- Front suspension
- Inverted telescopic fork
- Rear suspension
- Monoshock with gas reservoir
Brakes & wheels
- Front brakes
- Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper.
- Rear brakes
- Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper.
- Front tyre
- 100/80-17
- Rear tyre
- 130/70-17
Other
- Color options
- Yellow/black, Orange/black
Specs last verified against published sources: .
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 | 2023 | 2024 | 2025 | 2026 |
|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | 124 kg | 124 kg | 124 kg | 124 kg |
| Seat height | 865 mm | 865 mm | 865 mm | 865 mm |
| Fuel capacity | 6.3 L | 6.3 L | 6.3 L | 6.3 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 125 SM?
The 2026 UM DSR 125 SM has a Capacity of 124.6 ccm (7.60 cubic inches).
What engine power does the UM DSR 125 SM have?
The 2026 UM DSR 125 SM has a Power of 14.8 HP (10.8 kW) @ 10750 RPM.
How many gears does the UM DSR 125 SM have?
The 2026 UM DSR 125 SM has a Gearbox of 6-speed.
How much does the UM DSR 125 SM weigh?
The 2026 UM DSR 125 SM has a Dry weight of 124.0 kg (273.4 pounds).
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