2023
Thumpstar TSX 50 JR - Specifications & Review

Article Complete Info
| Articleid | 937766 |
|---|---|
| Category | Minibike-cross |
| Make | Thumpstar |
| Model | TSX 50 JR |
| Year | 2023 |
Chassis, Suspension, Brakes & Wheels
| Frontbrakes | Single disc. 2-piston calipers |
|---|---|
| Frontbrakesdiameter | 190 mm (7.5 inches) |
| Frontsuspension | Fastace Adjustable Forks |
| Fronttyre | 2.50-10 |
| Rearbrakes | Single disc |
| Rearbrakesdiameter | 170 mm (6.7 inches) |
| Rearsuspension | Fastace Adjustable Shock |
| Reartyre | 2.5-10 |
| Wheels | Alloy Rim |
Engine & Transmission
| Coolingsystem | Liquid |
|---|---|
| Displacement | 50.0 ccm (3.05 cubic inches) |
| Enginetype | Single cylinder, two-stroke |
| Exhaustsystem | Pipe Bomb |
| Fuelsystem | Carburettor. 19mm |
| Gearbox | Automatic |
| Topspeed | 70.0 km/h (43.5 mph) |
| Transmissiontypefinaldrive | Chain (final drive) |
Other Specifications
| Coloroptions | Green/black/red |
|---|---|
| Comments | Chines bike sold in Australia. |
| Starter | Kick |
Physical Measures & Capacities
| Fuelcapacity | 1.30 litres (0.34 US gallons) |
|---|---|
| Seatheight | 603 mm (23.7 inches) If adjustable, lowest setting. |
| Weightincloilgasetc | 45.0 kg (99.2 pounds) |
About Thumpstar
Country of Origin:
Australia (brand/design); manufacturing via Asia
Founder:
Established by Australian off-road enthusiasts
Best Known For:
Pit bikes, minis, and value off-roaders for training and play
Company History
Thumpstar built a global following with affordable, abuse-tolerant pit bikes and small off-roaders. The appeal is simple: tractable four-stroke singles, rebuildable suspension, and spares stocked by responsive distributors. Parents and track schools use them to teach clutch, braking, and body position; racers use them for cross-training. Iterative improvements to frames, hubs, and looms boosted durability, turning budget playbikes into trusted training tools.
