Serpento Defender RR 150 vs Factory Bike FX 150F (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Serpento Defender RR 150stacks up against the Factory Bike FX 150F. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Serpento Defender RR 150 | Factory Bike FX 150F |
|---|---|---|
| Model year | 2023 | 2022 |
| Price | — | — |
| Engine | 150 cc | 150 cc |
| Horsepower | 11 hp | 14 hp |
| Torque | 10 Nm | — |
| Weight | 105 kg | 82 kg |
| Seat height | 32 mm | 31 mm |
| Fuel capacity | 1.5 L | 1.4 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 6-speed |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Tires | 80/100-19 / 100/90-19 | — |
Serpento Defender RR 150 vs Factory Bike FX 150F — which should you buy?
Picking between the Serpento Defender RR 150 and the Factory Bike FX 150F usually comes down to the numbers you care about most. On paper, the Serpento Defender RR 150 brings 11 hp in a 105 kg package, while the Factory Bike FX 150F counters with 14 hp at 82 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:

