Sinnis RSX125 vs Junak 121 FL (2021)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Sinnis RSX125stacks up against the Junak 121 FL. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Sinnis RSX125 | Junak 121 FL |
|---|---|---|
| Model year | 2021 | 2020 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 11 hp | 11 hp |
| Weight | 140 kg | 130 kg |
| Seat height | 32 mm | 31 mm |
| Fuel capacity | 3.6 L | 4.8 L |
| Fuel type | petrol | petrol |
| Transmission | 5-speed | — |
| Front brakes | Single disc. Hydraulic. | Single disc |
| Rear brakes | Single disc. Hydraulic. | Single disc |
| Tires | 100/70-17 / 100/70-17 | 130/70-17 / 130/70-17 |
Sinnis RSX125 vs Junak 121 FL — which should you buy?
Picking between the Sinnis RSX125 and the Junak 121 FL usually comes down to the numbers you care about most. On paper, the Sinnis RSX125 brings 11 hp in a 140 kg package, while the Junak 121 FL counters with 11 hp 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: