Diamo Aero GTX50 vs Kymco Top Boy 50 On Road (2007)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Diamo Aero GTX50stacks up against the Kymco Top Boy 50 On Road. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Diamo Aero GTX50 | Kymco Top Boy 50 On Road |
|---|---|---|
| Model year | 2007 | 2007 |
| Price | $1,695 | — |
| Engine | 50 cc | 50 cc |
| Horsepower | 4 hp | — |
| Torque | — | 6 Nm |
| Weight | 113 kg | 96 kg |
| Seat height | 29 mm | — |
| Fuel capacity | 2.0 L | — |
| Fuel type | petrol | petrol |
| Transmission | Automatic | Automatic |
| Front brakes | Single disc. ABS | Single disc |
| Rear brakes | Single disc. ABS | Expanding brake (drum brake) |
| Tires | -1 | 120/90-10 / 130/90-10 |
Diamo Aero GTX50 vs Kymco Top Boy 50 On Road — which should you buy?
Picking between the Diamo Aero GTX50 and the Kymco Top Boy 50 On Road usually comes down to the numbers you care about most. On paper, the Diamo Aero GTX50 brings 4 hp in a 113 kg package, while the Kymco Top Boy 50 On Road counters with its own power figure at 96 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:

