Minibikes
2020Thumpstar TSX 125 SW
20 fields on record
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.
- Capacity
- 125.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- Not on record
Know it? Add it → - Dry weight
- 80.0 kg
- Seat height
- 830 mm
- Power
- 15.0 HP (11.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- 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.
- Built for
- 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.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 125.0 ccm
- Power
- 15.0 HP (11.0 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1875 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
- 70/100-14
- Rear tyre
- 80/100-12
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 125 SW?
The 2020 Thumpstar TSX 125 SW has a Capacity of 125.0 ccm (7.63 cubic inches).
What engine power does the Thumpstar TSX 125 SW have?
The 2020 Thumpstar TSX 125 SW has a Power of 15.0 HP (11.0 kW).
How much does the Thumpstar TSX 125 SW weigh?
The 2020 Thumpstar TSX 125 SW has a Dry weight of 80.0 kg (176.4 pounds).
Shop this bike
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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.
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