14 August. Friday 2026
Thumpstar TSX 125 SW - 2020 Specifications and Reviews
The 2020 Thumpstar TSX 125 SW is an entry-level pit bike designed for young riders and beginners seeking affordable off-road fun. Known for its lightweight 80kg frame, low 830mm seat height, and reliable kick-start simplicity, it delivers nimble handling on tight tracks and trails. The bike excels as a training platform with its manageable power delivery and durable chain-drive mechanics.
2020
General information | |
| Category | Minibike, sport |
| Year | 2020 |
| Model | Thumpstar TSX 125 SW |
Engine and Transmission Specifications | |
| Transmission type | Chain (final drive) |
| Fuel system | Carburettor. Mikuni VM22 26mm |
| Top speed | 90.0 km/h (55.9 mph) |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 125.0 ccm (7.63 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. HSK Single Piston |
| Diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc. Dual piston hydraulic disc |
| Rear tire | 80/100-12 |
| Front tire | 70/100-14 |
| Rear Suspension | VS 1 Linkage U Shock |
| Front Suspension | Inverted Telescopic |
| | |
Physical measures and capacities | |
| Fuel capacity | 3.40 litres (0.90 US gallons) |
| Wheelbase | 1260 mm (49.6 inches) |
| Seat height | 830 mm (32.7 inches) If adjustable, lowest setting. |
| Dry weight | 80.0 kg (176.4 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Kick |
| Color options | Green/Black |
Performance Profile & Rider Fit
55.9 mph
Top Speed
Best For
Track20%
City20%
Cornering55%
Daily Riding15%
Touring5%
Passenger5%
Rider Profile
| Best For | This bike suits beginners, kids, or smaller riders who are just learning motorcycle basics rather than seasoned road riders. |
| Purpose | It's built as a small-displacement pit bike/minibike for casual off-road play and low-speed recreational riding rather than serious performance or transport. |
| Rider Fit | Its low seat height and very light dry weight make it extremely easy to handle for smaller or lighter riders, including younger or less experienced ones. |
| Character | The bike is nimble, playful, and forgiving, rewarding relaxed backyard or trail riding over outright speed or long-distance capability. |
| Not Ideal For | It is not suitable for taller or heavier adults, highway use, touring, or anyone seeking real speed or long-range comfort. |
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 2020 Thumpstar TSX 125 SW motorcycle is a stunning off-road bike that delivers an exhilarating riding experience. With its powerful 125cc engine, this motorcycle provides excellent acceleration and top speed for tackling any terrain. The stylish design and high-quality build make the TSX 125 SW a standout choice for riders looking for a reliable and stylish off-road bike. The durable construction of this motorcycle ensures that it can handle the most challenging off-road conditions with ease, making it an ideal choice for riders who love to conquer rugged terrains. From its responsive handling to its impressive performance, the 2020 Thumpstar TSX 125 SW motorcycle is a top choice for off-road enthusiasts. Whether you're hitting the trails or tearing up the dirt track, this bike delivers the power and reliability you need to conquer any off-road adventure. With its sleek design and superior build quality, the TSX 125 SW is a must-have for any rider looking for a high-performance off-road bike.Add a Comment
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