Aprilia SR 50 Factory vs Viarelli Monztro (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia SR 50 Factorystacks up against the Viarelli Monztro. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Aprilia SR 50 Factory | Viarelli Monztro |
|---|---|---|
| Model year | 2021 | 2021 |
| Price | $3,170 | — |
| Engine | 49 cc | 49 cc |
| Horsepower | 4 hp | 3 hp |
| Torque | 4 Nm | 3 Nm |
| Weight | 107 kg | 99 kg |
| Seat height | 31 mm | — |
| Fuel capacity | 2.0 L | 1.7 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc. 2 opposing pistons | Single disc |
| Rear brakes | Single disc. 2 opposing pistons | Single disc |
| Tires | 130/60-13 / 130/60-13 | — |
Aprilia SR 50 Factory vs Viarelli Monztro — which should you buy?
Picking between the Aprilia SR 50 Factory and the Viarelli Monztro usually comes down to the numbers you care about most. On paper, the Aprilia SR 50 Factory brings 4 hp in a 107 kg package, while the Viarelli Monztro counters with 3 hp at 99 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: