Supermotos
2021KSR TW 125 SM
27 fields on record
The 2021 KSR TW 125 SM is a lightweight 125cc motocross-styled machine ideal for beginner riders and casual enthusiasts seeking affordable off-road fun. Powered by an air-cooled single-cylinder four-stroke engine producing 10.7 horsepower, it combines modest performance with excellent fuel economy of 52.6 km/l. Its steel frame, telescopic front suspension, and monoshock rear setup deliver responsive handling across varied terrain.
- Capacity
- 125.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 138.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 10.7 HP (7.8 kW) @ 9000 RPM
What’s new for the 2021 KSR TW 125 SM
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Power | 11.0 HP (8.0 kW) @ 9000 RPM | 10.7 HP (7.8 kW) @ 9000 RPM |
| Dry weight | 144.0 kg (317.5 pounds) | 138.0 kg (304.2 pounds) |
| Front brakes | Single disc. Wave disc | Single disc |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's a small-displacement supermoto-styled commuter meant for light urban runabout duty rather than serious performance riding.
- Built for
- It has a playful, minimal, low-stakes character typical of small CVT-equipped commuter bikes with a sporty look.
- Not ideal for
- It is not suited for highway touring, carrying a passenger any real distance, or riders wanting genuine off-road or high-speed capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Range and running costs
Worked out in your browser - nothing is sent to usBased on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 125.0 ccm
- Power
- 10.7 HP (7.8 kW) @ 9000 RPM
- Engine type
- Single, four-stroke
- Fuel consumption
- 1.90 litres/100 km (52.6 km/l)
- Power/weight ratio
- 0.0775 HP/kg (dry)
- Cooling system
- Air
- Fuel system
- Injection
- Starting
- Electric
- Torque
- Not on record - add it
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1450 mm
- Overall length
- 2230 mm
- Overall width
- 866 mm
- Overall height
- 1210 mm
- Dry weight
- 138.0 kg
- Fuel capacity
- 6.10 litres
- Seat height
- Not on record - add it
Chassis & suspension
- Frame
- Steel
- Front suspension
- Telescopic fork
- Rear suspension
- Monoshock
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Single disc
- Front tyre
- 100/80-17
- Rear tyre
- 130/70-17
Other
- Color options
- White, Red, Black
- Comments
- Sold in Algeria, Austria, Belgium, Cyprus, Germany, Greece, Italy, Latvia, Malta, Portugal, Switzerland.
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 | 2016 | 2017 | 2019 | 2020 | 2021 |
|---|---|---|---|---|---|
| Capacity | 125 cc | 125 cc | 125 cc | 125 cc | 125 cc |
| Dry weight | 144 kg | 144 kg | 144 kg | 144 kg | 138 kg |
| Fuel capacity | 6.1 L | 6.1 L | 6.1 L | 6.1 L | 6.1 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 KSR TW 125 SM?
The 2021 KSR TW 125 SM has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the KSR TW 125 SM have?
The 2021 KSR TW 125 SM has a Power of 10.7 HP (7.8 kW) @ 9000 RPM.
How many gears does the KSR TW 125 SM have?
The 2021 KSR TW 125 SM has a Gearbox of 6-speed.
How much does the KSR TW 125 SM weigh?
The 2021 KSR TW 125 SM has a Dry weight of 138.0 kg (304.2 pounds).
Shop this bike
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The 2021 KSR TW 125 SM motorcycle is a sleek and stylish option for those in the market for a reliable and fun commuter vehicle. With its 125cc engine and smooth handling, it's perfect for zipping around city streets or taking on winding country roads. The bike's supermoto style adds a touch of attitude and makes it stand out from the crowd, while its comfortable seat and ergonomic design ensure a smooth and enjoyable ride every time.
In addition to its impressive performance, the 2021 KSR TW 125 SM motorcycle also boasts modern features such as LED lighting, digital instrumentation, and a high-quality suspension system. With its combination of style, performance, and convenience, this motorcycle is a great option for anyone in need of a practical and enjoyable mode of transportation. Whether you're a seasoned rider or a beginner, the TW 125 SM is sure to impress with its reliable and versatile capabilities.
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