Thumpstar TSX 140 BW - 2022 Specifications and Reviews

The 2022 Thumpstar TSX 140 BW is a lightweight enduro bike designed for beginner and intermediate off-road riders seeking affordable trail performance. Its 140cc single-cylinder four-stroke engine delivers manageable power with a 90 km/h top speed, while inverted telescopic front suspension and linkage rear shock provide capable off-road handling. Known for accessible pricing and reliability, it's ideal for learning dirt bike fundamentals on varied terrain.

2022
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General information

CategoryEnduro / offroad
Year2022
ModelThumpstar TSX 140 BW

Engine and Transmission Specifications

Exhaust systemPipebomb DW1
Transmission typeChain   (final drive)
Gearbox4-speed
Fuel systemCarburettor. Molkt VM22 26mm
Top speed90.0 km/h (55.9 mph)
Engine typeSingle cylinder, four-stroke
Capacity:140.0 ccm (8.54 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsAlloy rims
Rear brakesSingle disc. HSK Single Piston
Diameter220 mm (8.7 inches)
Front brakesSingle disc. Dual piston hydraulic disc
Rear tire80/100-14
Front tire70/100-17
Rear SuspensionVS 1 Linkage U Shock
Front SuspensionInverted Telescopic

Physical measures and capacities

Fuel capacity3.40 litres (0.90 US gallons)
Wheelbase1260 mm (49.6 inches)
Seat height880 mm (34.6 inches) If adjustable, lowest setting.
Dry weight80.0 kg (176.4 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSold in Australia.
StarterKick
Color optionsGreen/Black

Performance Profile & Rider Fit

55.9 mph
Top Speed

Best For

Track10%
City20%
Cornering40%
Daily Riding15%
Touring8%
Passenger5%

Rider Profile

Best ForThis bike suits beginners, young riders, or those new to off-road riding thanks to its small capacity, low weight, and manageable top speed.
PurposeIt's built as a lightweight pit/trail bike for casual dirt riding, backyard tracks, and learning off-road skills rather than serious performance riding.
Rider FitIts very low seat height and light dry weight make it accessible and easy to handle for smaller or lighter riders, including teenagers.
CharacterThe TSX 140 BW is a playful, low-stakes dirt bike that rewards confidence-building and casual fun over outright speed or aggression.
Not Ideal ForIt is not suitable for highway travel, long-distance touring, carrying passengers, or riders seeking strong power and speed.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2022 Thumpstar TSX 140 BW Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 880mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2022 Thumpstar TSX 140 BW, with a cramped knee angle of around 75 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
64x64

MotorcycleDB Review

The 2022 Thumpstar TSX 140 BW is an impressive off-road bike that delivers power and performance. The sleek design and durable build make it a great choice for riders of all experience levels. With a 140cc engine and versatile suspension, this bike can handle rough terrain with ease. The responsive handling and comfortable seating position make for a smooth and enjoyable ride. Overall, the 2022 Thumpstar TSX 140 BW is a fantastic off-road bike that offers a great balance of power, performance, and durability. Whether you're hitting the trails or tearing up the track, this bike is sure to impress. With its high-quality construction and impressive specs, the TSX 140 BW is a great choice for any rider looking for a reliable and capable off-road machine.
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