14 August. Friday 2026
KSR TW 125 SM - 2021 Specifications and Reviews
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.
General information | |
| Category | Cross / motocross |
| Year | 2021 |
| Model | KSR TW 125 SM |
| | |
Engine and Transmission Specifications | |
| Emission details | Euro 4 |
| Greenhouse gases | 44.1 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 1.90 litres/100 km (52.6 km/l or 123.80 mpg) |
| Driveline | CVT |
| Cooling system | Air |
| Fuel system | Carburettor |
| Power | 10.7 HP (7.8 kW) @ 9000 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.0 ccm (7.63 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc |
| Front brakes | Single disc |
| Rear tire | 130/70-17 |
| Front tire | 100/80-17 |
| Rear Suspension | Monoshock |
| Front Suspension | Telescopic fork |
| Frame type | Steel |
Physical measures and capacities | |
| Power/weight ratio | 0.0778 HP/kg |
| Dry weight | 138.0 kg (304.2 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Sold in Algeria, Austria, Belgium, Cyprus, Germany, Greece, Italy, Latvia, Malta, Portugal, Switzerland. |
| Starter | Electric & kick |
| Color options | White, Red, Black |
Performance Profile & Rider Fit
10.7 hp
Peak Power
Best For
Track15%
City60%
Cornering40%
Daily Riding45%
Touring15%
Passenger15%
Rider Profile
| Best For | This is an entry-level machine best suited to beginners or younger riders learning the basics of motorcycling. |
| Purpose | It's a small-displacement supermoto-styled commuter meant for light urban runabout duty rather than serious performance riding. |
| Rider Fit | Its low weight and low seat height make it very manageable for smaller or less experienced riders to handle and maneuver. |
| Character | 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. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1
MotorcycleDB Review
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.Add a Comment
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