| Thumpstar's profilation of this bike |
| Our design and development team has put together the ultimate 2-stroke 50cc package which efficiently delivers sufficient power to compete with the other race ready bikes in the mini class. |
| General moped information |
|---|
| Model | Thumpstar MX 50 JR |
| Year | 2020 |
| Category | Minibike, cross |
| Rating | Do you know this bike?
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| Engine and transmission |
|---|
| Displacement | 49.0 ccm (2.99 cubic inches) |
| Engine type | Single cylinder, two-stroke |
| Bore x stroke | 39.5 x 40.0 mm (1.6 x 1.6 inches) |
| Fuel system | Carburettor. Mikuni 19mm |
| Clutch | Centrifugal |
| Chassis, suspension, brakes and wheels |
|---|
| Frame type | Central-Tube Frame with Double-Cradle |
| Front suspension | Fastace Adjustable Forks |
| Front wheel travel | 205 mm (8.1 inches) |
| Rear suspension | Fastace Adjustable Shock |
| Rear wheel travel | 185 mm (7.3 inches) |
| Front brakes | Single disc. Dual piston hydraulic disc |
| Diameter | 190 mm (7.5 inches) |
| Rear brakes | Single disc. Single Piston |
| Diameter | 180 mm (7.1 inches) |
| Wheels | Steel Rim |
| Physical measures and capacities |
|---|
| Dry weight | 41.5 kg (91.5 pounds) |
| Seat height | 603 mm (23.7 inches) If adjustable, lowest setting. |
| Ground clearance | 252 mm (9.9 inches) |
| Wheelbase | 1032 mm (40.6 inches) |
| Fuel capacity | 2.30 litres (0.61 US gallons) |
| Other specifications |
|---|
| Color options | Green/Black |
| Starter | Kick |
| Update specs | Report missing specs or required updates. |
| Further information |
|---|
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
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| Parts finder | Revzilla offers up to 50% off motorcycle accessories. Ships to most countries.
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| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 20 Thumpstar MX 50 JR discussion group or the general Thumpstar discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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