Keeway RKS 125 vs Lexmoto Viper 125 (2017)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Keeway RKS 125stacks up against the Lexmoto Viper 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Keeway RKS 125 | Lexmoto Viper 125 |
|---|---|---|
| Model year | 2017 | 2017 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 11 hp | 11 hp |
| Torque | 10 Nm | 10 Nm |
| Weight | 125 kg | 134 kg |
| Seat height | 30 mm | 30 mm |
| Fuel capacity | 4.2 L | 3.7 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | 5-speed |
| Front brakes | Single disc | Single disc. Hydraulic |
| Rear brakes | Expanding brake (drum brake) | Single disc. Hydraulic |
| Tires | 90/90-17 / 120/80-17 | 110/70-17 / 130/70-17 |
Keeway RKS 125 vs Lexmoto Viper 125 — which should you buy?
Picking between the Keeway RKS 125 and the Lexmoto Viper 125 usually comes down to the numbers you care about most. On paper, the Keeway RKS 125 brings 11 hp in a 125 kg package, while the Lexmoto Viper 125 counters with 11 hp at 134 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: