Thumpstar MX 50 SR vs Pitster Pro XJR SS 50 Auto (2020)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Thumpstar MX 50 SRstacks up against the Pitster Pro XJR SS 50 Auto. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Thumpstar MX 50 SR | Pitster Pro XJR SS 50 Auto |
|---|---|---|
| Model year | 2020 | 2013 |
| Price | — | $999 |
| Engine | 49 cc | 49 cc |
| Weight | 42 kg | 50 kg |
| Seat height | 27 mm | 24 mm |
| Fuel capacity | 0.6 L | 0.8 L |
| Fuel type | petrol | petrol |
| Transmission | — | Automatic |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 2.50-10 / 2.5-10 | 2.50-10 / 2.50-10 |
Thumpstar MX 50 SR vs Pitster Pro XJR SS 50 Auto — which should you buy?
Picking between the Thumpstar MX 50 SR and the Pitster Pro XJR SS 50 Auto usually comes down to the numbers you care about most. On paper, the Thumpstar MX 50 SR brings its published horsepower in a 42 kg package, while the Pitster Pro XJR SS 50 Auto counters with its own power figure at 50 kg.
Our spec tables above highlight the winning number on each line. For the full rider-focused reviews including real-world fuel economy, service costs and available colors, click into either bike:

