Minibikes

2023Thumpstar TSR 140 SW

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The 2023 Thumpstar TSR 140 SW is a versatile mini cross bike designed for younger riders and beginners seeking an affordable entry into off-road motorcycling. Powered by an 11 HP four-stroke engine, it delivers manageable performance with a 90 km/h top speed, while modern suspension and a reliable carbureted drivetrain provide confidence-building handling on varied terrain.

Capacity: 140.0 ccm
Engine: Single, four-stroke
Gearbox: 4-speed
Wet weight: 90.0 kg
Seat height: 830 mm
Power: 11.0 HP (8.0 kW)

⇄ Compare with another bike ＋ Add to garage All model years

Other years 2023 2024

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail60%

Cornering55%

City riding35%

Daily riding25%

Touring15%

Two-up10%

Track30%

Best for: It is intended as a lightweight recreational or trail bike for casual off-road riding and skill-building rather than serious racing or commuting.
Built for: The bike has a playful, approachable, low-stakes character suited to backyard trails and casual fun rather than high performance thrills.
Not ideal for: It is not suitable for riders seeking highway touring, high-speed performance, or serious competitive enduro racing.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Full specifications

Engine

Capacity: 140.0 ccm
Power: 11.0 HP (8.0 kW)
Engine type: Single, four-stroke
Power/weight ratio: 0.1222 HP/kg (wet)
Fuel system: Carburettor
Starting: Kick

Transmission

Gearbox: 4-speed
Transmission type: Manual

Performance

Top speed: 90.0 km/h (55.9 mph)

Dimensions & weight

Wheelbase: 1260 mm
Seat height: 830 mm
Wet weight: 90.0 kg
Fuel capacity: 3.40 litres

Chassis & suspension

Front suspension: VS1 Inverted Forks
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: Black with various color kits for sale.
Comments: Chinese bike sold in Australia.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted

Specification	2023	2024
Capacity	140 cc	140 cc
Seat height	830 mm	830 mm
Fuel capacity	3.4 L	3.4 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB

The 2023 Thumpstar TSR 140 SW is an impressive off-road motorcycle that's sure to excite riders of all skill levels. With a powerful 140cc engine and a lightweight frame, this bike is built for speed and agility. Its sturdy construction and reliable performance make it a top choice for motocross and trail riding. The sleek design and striking graphics add to its appeal, making it a standout in any setting. Overall, the TSR 140 SW is a fantastic option for riders who want a high-quality, versatile dirt bike.

In addition to its impressive performance, the 2023 Thumpstar TSR 140 SW also offers great value for riders looking for a competitive off-road bike. Its advanced suspension system and responsive handling make for a smooth and comfortable ride on various terrains. The bike's durable components and low maintenance requirements add to its appeal, making it an excellent choice for both beginners and experienced riders. Whether you're hitting the trails or tearing up the track, the TSR 140 SW is a reliable and thrilling option for any off-road adventure.

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