Thumpstar TSX 140 - 2020 Specifications and Reviews
The 2020 Thumpstar TSX 140 is an entry-level pit bike designed for young riders and beginners seeking affordable off-road fun. Known for its lightweight construction, manageable seat height, and reliable kick-start engine, it excels in tight tracks and beginner-friendly terrain. The bike combines basic suspension and braking systems with a compact wheelbase for easy handling and confidence-building performance.
2020
General information | |
| Category | Minibike, sport |
| Year | 2020 |
| Model | Thumpstar TSX 140 |
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: | 140.0 ccm (8.54 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Alloy |
| Rear brakes | Single disc. HSK Single Piston |
| Diameter | 220 mm (8.7 inches) |
| Front brakes | Single disc. Dual piston hydraulic disc |
| Rear tire | 80/100-14 |
| Front tire | 70/100-17 |
| 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
Track40%
City25%
Cornering70%
Daily Riding15%
Touring5%
Passenger5%
Rider Profile
| Best For | This is a beginner and youth-oriented pit bike, best suited to novice riders or those honing skills off-road rather than experienced highway riders. |
| Purpose | Built as a small-capacity minibike for recreational off-road play, pit track fun, and learning bike control rather than serious transportation. |
| Rider Fit | Its low dry weight and low-ish seat height make it very manageable for smaller or lighter riders, including teens and shorter adults. |
| Character | A light, flickable, low-powered thumper with an inverted fork and disc brakes that give it a scaled-down supermoto feel. |
| Not Ideal For | Not suitable for riders wanting real top speed, highway capability, long-distance touring, or carrying a passenger. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Shop This Bike
Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2020 Thumpstar TSX 140 is a highly impressive motorcycle that offers an exhilarating riding experience. With its powerful 140cc engine, this bike provides ample power for thrilling rides on both dirt tracks and trails. The TSX 140 also features a sturdy and durable frame, making it suitable for riders of all skill levels. The bike's sleek design and comfortable seat allow for easy maneuverability and long hours of riding enjoyment. In addition to its impressive performance capabilities, the 2020 Thumpstar TSX 140 also boasts advanced safety features, including responsive brakes and reliable suspension. These elements work together to ensure a smooth and safe ride, giving riders peace of mind as they explore various terrains. Overall, the TSX 140 is a fantastic motorcycle that offers a perfect balance of power, reliability, and style for riders who are looking to experience the thrill of off-road adventures.Add a Comment
Related Motorcycle Specifications
More Thumpstar Motorcycles
- Motorcycles in database: 45863
- Technical specifications: 1490298
- Images of motorcycles: 72681
- Videos: 339
- Manufacturers: 501






































Please Login or Register if you would like to leave a comment.