What is the engine size of the 2024 Thumpstar TSX 50 JR?

The 2024 Thumpstar TSX 50 JR has a Capacity: of 50.0 ccm (3.05 cubic inches).

What is the top speed of the 2024 Thumpstar TSX 50 JR?

The 2024 Thumpstar TSX 50 JR has a Top speed of 70.0 km/h (43.5 mph).

Is the 2024 Thumpstar TSX 50 JR air cooled or liquid cooled?

The 2024 Thumpstar TSX 50 JR has a Cooling system of Liquid.

How many gears does the 2024 Thumpstar TSX 50 JR have?

The 2024 Thumpstar TSX 50 JR has a Gearbox of Automatic.

How much does the 2024 Thumpstar TSX 50 JR weigh?

The 2024 Thumpstar TSX 50 JR has a Weight incl. oil, gas, etc of 45.0 kg (99.2 pounds).

What is the seat height of the 2024 Thumpstar TSX 50 JR?

The 2024 Thumpstar TSX 50 JR has a Seat height of 603 mm (23.7 inches) If adjustable, lowest setting..

Thumpstar TSX 50 JR - 2024 Specifications and Reviews

Name: 2024 Thumpstar TSX 50 JR
Brand: Thumpstar

The 2024 Thumpstar TSX 50 JR is a lightweight minibike designed for young riders and beginners seeking entry-level off-road capability. Powered by a nimble 50cc two-stroke engine with automatic transmission and liquid cooling, it delivers accessible performance with a top speed of 70 km/h. Known for its adjustable Fastace suspension and affordability, the TSX 50 JR excels as a fun, manageable platform for learning fundamental dirt bike skills.

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2024

2023

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Engine and Transmission Specifications
Exhaust system	Pipe Bomb
Transmission type	Chain (final drive)
Gearbox	Automatic
Cooling system	Liquid
Fuel system	Carburettor. 19mm
Top speed	70.0 km/h (43.5 mph)
Type of engine	Single cylinder, two-stroke
Capacity:	50.0 ccm (3.05 cubic inches)


Type	Minibike, cross
Year of manufacture	2024
Model name	Thumpstar TSX 50 JR

Brakes, suspension, Frame and wheels
Wheels	Alloy Rim
Rear brakes	Single disc
Diameter	190 mm (7.5 inches)
Front brakes	Single disc. 2-piston calipers
Rear tire	2.5-10
Front tire	2.50-10
Rear suspension	Fastace Adjustable Shock
Front suspension	Fastace Adjustable Forks
Physical measures and capacities
Fuel capacity	1.30 litres (0.34 US gallons)
Wheelbase	953 mm (37.5 inches)
Seat height	603 mm (23.7 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc	45.0 kg (99.2 pounds)
Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Update specs
Comments	Chines bike sold in Australia.
Starter	Kick
Color options	Green/black/red

Performance Profile & Rider Fit

43.5 mph

Top Speed

Best For

Track40%

City10%

Cornering55%

Daily Riding10%

Touring5%

Passenger0%

Rider Profile

Best For	This is a youth-oriented minibike best suited to beginner and junior riders learning throttle control and balance, not experienced adults.
Purpose	Built purely for casual backyard and off-road play riding on a small scale, not for serious racing or transportation.
Rider Fit	Its tiny 603mm seat height and 45kg weight mean it's designed for small, lightweight riders such as children or very petite adults.
Character	A lightweight, nimble little cross-style minibike with adjustable suspension that rewards playful, low-speed maneuvering.
Not Ideal For	This bike is not suitable for highway use, adult-sized riders, carrying passengers, or any kind of long-distance touring.

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