Minibikes
2020Thumpstar TSX 140
20 fields on record
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.
- Capacity
- 140.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 80.0 kg
- Seat height
- 830 mm
- Power
- 11.2 HP (8.2 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a small-capacity minibike for recreational off-road play, pit track fun, and learning bike control rather than serious transportation.
- Built for
- 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.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 140.0 ccm
- Power
- 11.2 HP (8.2 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1400 HP/kg (dry)
- Fuel system
- Carburettor
- Starting
- Kick
Performance
- Top speed
- 90.0 km/h (55.9 mph)
Dimensions & weight
- Wheelbase
- 1260 mm
- Seat height
- 830 mm
- Dry weight
- 80.0 kg
- Fuel capacity
- 3.40 litres
Chassis & suspension
- Front suspension
- Inverted Telescopic
- Rear suspension
- VS 1 Linkage U Shock
Brakes & wheels
- Front brakes
- Single disc. Dual piston hydraulic disc
- Front brakes diameter
- 220 mm
- Rear brakes
- Single disc. HSK Single Piston
- Front tyre
- 70/100-17
- Rear tyre
- 80/100-14
Other
- Color options
- Green/Black
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Thumpstar TSX 140?
The 2020 Thumpstar TSX 140 has a Capacity of 140.0 ccm (8.54 cubic inches).
What engine power does the Thumpstar TSX 140 have?
The 2020 Thumpstar TSX 140 has a Power of 11.2 HP (8.2 kW).
How much does the Thumpstar TSX 140 weigh?
The 2020 Thumpstar TSX 140 has a Dry weight of 80.0 kg (176.4 pounds).
Shop this bike
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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.
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