Supermotos
2008Hyosung RX125SM
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The 2008 Hyosung RX125SM is a lightweight supermoto designed for beginner and intermediate riders seeking an accessible, nimble streetbike. Powered by a 124cc single-cylinder engine with five-speed transmission, it delivers manageable performance with the aggressive styling and upright ergonomics of a modern supermoto platform. Best known for its affordability and playful handling characteristics, the RX125SM suits urban commuters and riders transitioning to larger bikes.
- Capacity
- 124.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 123.0 kg
- Seat height
- 825 mm
- Power
- 15.0 HP (11.0 kW)
What’s new for the 2008 Hyosung RX125SM
vs the 2006| Spec | 2006 | 2008 |
|---|---|---|
| Dry weight | 120.0 kg (264.6 pounds) | 123.0 kg (271.2 pounds) |
| Seat height | — | 825 mm (32.5 inches) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- A supermoto-styled commuter for city streets and back-road fun, built for nimble urban riding rather than speed or distance.
- Built for
- Cheeky, lightweight learner supermoto-more style and agility than outright power, a fun and playful entry-level machine.
- Not ideal for
- Not for highway touring, two-up trips, serious off-road use, or riders wanting real speed and power.
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
- 124.0 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1220 HP/kg (dry)
- Cooling system
- Oil & air
- Fuel system
- Carburettor
- Starting
- Electric
- Valves per cylinder
- 4
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1430 mm
- Overall length
- 2175 mm
- Overall width
- 840 mm
- Overall height
- 1150 mm
- Seat height
- 825 mm
- Dry weight
- 123.0 kg
- Fuel capacity
- 8.00 litres
- Ground clearance
- 275 mm
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 110/70-M17
- Rear tyre
- 130/70-M17
Other
- Color options
- Yellow/black
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 | 2006 | 2008 |
|---|---|---|
| Capacity | 124 cc | 124 cc |
| Dry weight | 120 kg | 123 kg |
| Seat height | — | 825 mm |
| Fuel capacity | 8 L | 8 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 Hyosung RX125SM?
The 2008 Hyosung RX125SM has a Capacity of 124.0 ccm (7.57 cubic inches).
What engine power does the Hyosung RX125SM have?
The 2008 Hyosung RX125SM has a Power of 15.0 HP (11.0 kW).
How many gears does the Hyosung RX125SM have?
The 2008 Hyosung RX125SM has a Gearbox of 5-speed.
How much does the Hyosung RX125SM weigh?
The 2008 Hyosung RX125SM has a Dry weight of 123.0 kg (271.2 pounds).
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