Supermotos
2021KSR TR 125 SM
21 fields on record
The 2021 KSR TR 125 SM is a lightweight, beginner-friendly motocross bike featuring a fuel-efficient 124cc single-cylinder engine with 13.4 horsepower. Its automatic CVT transmission and nimble steel frame make it ideal for new riders seeking an accessible entry point into off-road motorcycling. Known for excellent fuel economy and manageable power delivery, it excels in recreational trail riding and novice motocross applications.
- Capacity
- 124.4 ccm
- Engine
- Single, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 140.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 13.4 HP (9.8 kW) @ 10000 RPM
What’s new for the 2021 KSR TR 125 SM
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Power | 10.7 HP (7.8 kW) @ 9000 RPM | 13.4 HP (9.8 kW) @ 10000 RPM |
| Dry weight | 138.0 kg (304.2 pounds) | 140.0 kg (308.6 pounds) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It's a small-displacement supermoto-styled commuter aimed at easy urban riding and casual fun rather than serious off-road or long-distance use.
- Built for
- It has a playful, approachable personality with supermoto styling but modest real-world performance due to its small single-cylinder engine and automatic gearbox.
- Not ideal for
- It is not a good fit for highway touring, two-up riding, or riders seeking genuine motocross or high-speed capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 124.4 ccm
- Power
- 13.4 HP (9.8 kW) @ 10000 RPM
- Engine type
- Single, four-stroke
- Fuel consumption
- 3.50 litres/100 km (28.6 km/l)
- Power/weight ratio
- 0.0957 HP/kg (dry)
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric & kick
- Torque
- Not on record - add it
Transmission
- Transmission type
- Automatic
- Final drive
- Chain
Dimensions & weight
- Dry weight
- 140.0 kg
- 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
- 90/90-19
- Rear tyre
- 110/90-17
Other
- Color options
- White, Yellow, Black
- Comments
- Sold in Algeria, Austria, Belgium, Cyprus, Germany, Greece, Italy, Latvia, Malta, Portugal, Switzerland.
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 | 2016 | 2017 | 2019 | 2020 | 2021 |
|---|---|---|---|---|---|
| Capacity | 124 cc | 124 cc | 125 cc | 125 cc | 124 cc |
| Dry weight | 146 kg | 146 kg | 138 kg | 138 kg | 140 kg |
| Fuel capacity | 7.5 L | 7.5 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 TR 125 SM?
The 2021 KSR TR 125 SM has a Capacity of 124.4 ccm (7.59 cubic inches).
What engine power does the KSR TR 125 SM have?
The 2021 KSR TR 125 SM has a Power of 13.4 HP (9.8 kW) @ 10000 RPM.
How much does the KSR TR 125 SM weigh?
The 2021 KSR TR 125 SM has a Dry weight of 140.0 kg (308.6 pounds).
Shop this bike
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The 2021 KSR TR 125 SM motorcycle is a compact and agile option for those in search of a versatile and budget-friendly ride. This supermoto-style bike is equipped with a 125cc engine, making it perfect for navigating crowded city streets and winding country roads. With its sporty design and comfortable ergonomics, the TR 125 SM offers a thrilling riding experience for beginners and experienced riders alike. The bike's lightweight frame and responsive handling make it an ideal choice for urban commuters looking for a stylish and nimble mode of transportation.
Overall, the 2021 KSR TR 125 SM motorcycle delivers an impressive combination of performance, affordability, and style. Whether you're a new rider or a seasoned enthusiast, this supermoto bike offers a fun and convenient way to explore the open road. Its compact size and agile handling make it well-suited for navigating tight spaces, while its powerful engine ensures a thrilling ride every time. With its sleek design and practical features, the TR 125 SM is a fantastic option for riders seeking a reliable and efficient mode of transportation.
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