Fantic XEF 250 vs Serpento Viper 250 (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Fantic XEF 250stacks up against the Serpento Viper 250. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Fantic XEF 250 | Serpento Viper 250 |
|---|---|---|
| Model year | 2021 | 2020 |
| Price | — | — |
| Engine | 249 cc | 249 cc |
| Weight | — | 130 kg |
| Seat height | 38 mm | 34 mm |
| Fuel capacity | 2.1 L | 4.0 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 5-speed |
| Front brakes | Single disc. Wave disc | Single disc |
| Rear brakes | Single disc. Wave disc | Single disc |
| Tires | 90/90-21 / 130/90-18 | 110/90-19 / 4.60-17 |
Fantic XEF 250 vs Serpento Viper 250 — which should you buy?
Picking between the Fantic XEF 250 and the Serpento Viper 250 usually comes down to the numbers you care about most. On paper, the Fantic XEF 250 brings its published horsepower, while the Serpento Viper 250 counters with its own power figure at 130 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: