Thumpstar TSX 50 JR - 2023 Specifications and Reviews

The 2023 Thumpstar TSX 50 JR is a lightweight minibike designed for young and beginner riders seeking an affordable entry into off-road riding. Powered by a 50cc two-stroke engine with automatic transmission and liquid cooling, it delivers responsive performance with a top speed of 70 km/h. Known for its adjustable Fastace suspension and nimble handling, this bike excels in teaching fundamental riding skills on varied terrain.

2023
Not Rated stars Average rating: Not Rated from 0 votes
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Engine and Transmission Specifications

Exhaust systemPipe Bomb
Transmission typeChain   (final drive)
GearboxAutomatic
Cooling systemLiquid
Fuel systemCarburettor. 19mm
Top speed70.0 km/h (43.5 mph)
Engine typeSingle cylinder, two-stroke
Capacity:50.0 ccm (3.05 cubic inches)
 
 

CategoryMinibike, cross
Year2023
ModelThumpstar TSX 50 JR

Brakes, suspension, Frame and wheels

WheelsAlloy Rim
Rear brakesSingle disc
Diameter190 mm (7.5 inches)
Front brakesSingle disc. 2-piston calipers
Rear tire2.5-10
Front tire2.50-10
Rear SuspensionFastace Adjustable Shock
Front SuspensionFastace Adjustable Forks

Physical measures and capacities

Fuel capacity1.30 litres (0.34 US gallons)
Wheelbase953 mm (37.5 inches)
Seat height603 mm (23.7 inches) If adjustable, lowest setting.
Weight incl. oil, gas, etc45.0 kg (99.2 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsChines bike sold in Australia.
StarterKick
Color optionsGreen/black/red

Performance Profile & Rider Fit

43.5 mph
Top Speed

Best For

Track40%
City10%
Cornering55%
Daily Riding10%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a youth-oriented minibike best suited to beginner and junior riders learning throttle control and balance, not experienced adults.
PurposeBuilt purely for casual backyard and off-road play riding on a small scale, not for serious racing or transportation.
Rider FitIts tiny 603mm seat height and 45kg weight mean it's designed for small, lightweight riders such as children or very petite adults.
CharacterA lightweight, nimble little cross-style minibike with adjustable suspension that rewards playful, low-speed maneuvering.
Not Ideal ForThis 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.

Rider Reviews

Total comments: 1
64x64

MotorcycleDB Review

I recently had the opportunity to test ride the 2023 Thumpstar TSX 50 JR and I was thoroughly impressed. This junior motocross bike is perfect for young riders looking to get into the sport. It's lightweight and nimble, making it easy for beginners to handle. The powerful 50cc engine provides plenty of thrills without being overwhelming for less experienced riders. The TSX 50 JR also has a durable frame and quality components, ensuring that it can handle the rigors of off-road riding. Overall, I think the 2023 Thumpstar TSX 50 JR is a fantastic option for young riders wanting to start their motocross journey. If you're in the market for a junior motocross bike, the 2023 Thumpstar TSX 50 JR is definitely worth considering. It's a well-built and reliable option that can provide hours of fun for young riders. The 50cc engine delivers plenty of power, while the lightweight design makes it easy to handle for beginners. With its durable construction and quality components, the TSX 50 JR is sure to provide years of enjoyment for aspiring motocross riders. Overall, I highly recommend the 2023 Thumpstar TSX 50 JR for anyone looking to get their kid started in the sport.
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