Aprilia STX 150 vs Keeway Ajax 150 (2020)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia STX 150stacks up against the Keeway Ajax 150. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Aprilia STX 150 | Keeway Ajax 150 |
|---|---|---|
| Model year | 2020 | 2017 |
| Price | — | — |
| Engine | 149 cc | 149 cc |
| Horsepower | — | 11 hp |
| Torque | — | 10 Nm |
| Weight | — | 99 kg |
| Seat height | — | 30 mm |
| Fuel capacity | 4.8 L | 4.2 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 5-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Tires | 90/90-17 / 110/80-17 | 2.75-18 / 3.00-18 |
Aprilia STX 150 vs Keeway Ajax 150 — which should you buy?
Picking between the Aprilia STX 150 and the Keeway Ajax 150 usually comes down to the numbers you care about most. On paper, the Aprilia STX 150 brings its published horsepower, while the Keeway Ajax 150 counters with 11 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: