Aprilia RS4 125 vs Kymco CK1 125 (2018)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Aprilia RS4 125stacks up against the Kymco CK1 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Aprilia RS4 125 | Kymco CK1 125 |
|---|---|---|
| Model year | 2018 | 2017 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 15 hp | 10 hp |
| Torque | 11 Nm | — |
| Weight | — | 122 kg |
| Seat height | 32 mm | 31 mm |
| Fuel capacity | 3.8 L | 3.6 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 5-speed |
| Front brakes | Single disc. Stainless steel disc with radial 4 piston calliper | Single disc |
| Rear brakes | Single disc. Single 30 mm piston | Expanding brake (drum brake) |
| Tires | 110/80-17 / 130/70-17 | — |
Aprilia RS4 125 vs Kymco CK1 125 — which should you buy?
Picking between the Aprilia RS4 125 and the Kymco CK1 125 usually comes down to the numbers you care about most. On paper, the Aprilia RS4 125 brings 15 hp, while the Kymco CK1 125 counters with 10 hp at 122 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: