Thumpstar MX 50 SR - 2020 Specifications and Reviews
The 2020 Thumpstar MX 50 SR is an entry-level pit bike designed for young riders and beginners learning off-road skills. Known for its lightweight frame, responsive USD front forks, and compact dimensions, it delivers nimble handling and easy maneuverability on dirt tracks. Its affordability and simplicity make it an ideal starter motorcycle for recreational riding and amateur racing.
2020
Engine and Transmission Specifications | |
| Clutch | Centrifugal |
| Fuel system | Carburettor. Mikuni 19mm |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 49.0 ccm (2.99 cubic inches) |
| Category | Minibike, cross |
| Year | 2020 |
| Model | Thumpstar MX 50 SR |
Brakes, suspension, Frame and wheels | |
| Wheels | Steel Rim |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | 160 mm (6.3 inches) |
| Front brakes | Expanding brake (drum brake) |
| Rear tire | 2.5-10 |
| Front tire | 2.50-10 |
| Rear Suspension | VS 1 Shock Absorber |
| Front Suspension | USD fork |
| Frame type | Central-Tube Frame with Double-Cradle |
| | |
Physical measures and capacities | |
| Fuel capacity | 2.30 litres (0.61 US gallons) |
| Wheelbase | 1032 mm (40.6 inches) |
| Ground clearance | 252 mm (9.9 inches) |
| Seat height | 684 mm (26.9 inches) If adjustable, lowest setting. |
| Dry weight | 41.5 kg (91.5 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Starter | Kick |
| Color options | Green/Black |
Performance Profile & Rider Fit
Best For
Track20%
City10%
Cornering55%
Daily Riding10%
Touring5%
Passenger5%
Rider Profile
| Best For | This is a youth or beginner-oriented minibike best suited to novice or young riders learning basic off-road control rather than experienced adults. |
| Purpose | Built for casual backyard and light trail riding on a small two-stroke minibike rather than any serious racing or transportation use. |
| Rider Fit | Its tiny 10-inch wheels, low seat height, and featherweight 41.5 kg dry weight make it extremely easy to handle for smaller or lighter riders. |
| Character | A simple, low-powered two-stroke minibike with basic drum brakes and a kick starter that favors playful, low-stakes fun over performance. |
| Not Ideal For | It is not suitable for taller or heavier adult riders, highway use, touring, or anyone seeking meaningful speed or long-distance comfort. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2020 Thumpstar MX 50 SR motorcycle is a excellent choice for beginners and experienced riders alike. Its powerful 50cc engine provides plenty of speed and acceleration, making it the perfect bike for off-road adventures. With its sturdy and durable frame, this motorcycle can handle rough terrain with ease, giving riders the confidence to push their limits. In addition, the Thumpstar MX 50 SR features a comfortable and ergonomic design, allowing for hours of riding without discomfort. Its responsive handling and smooth suspension make it a joy to ride, and its affordable price point makes it a great option for riders on a budget. Overall, the 2020 Thumpstar MX 50 SR is a fantastic motorcycle that delivers on both performance and value.Add a Comment
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