UM DSR 125 EX vs Rieju Marathon 125 Pro (2023)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the UM DSR 125 EXstacks up against the Rieju Marathon 125 Pro. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | UM DSR 125 EX | Rieju Marathon 125 Pro |
|---|---|---|
| Model year | 2023 | 2023 |
| Price | — | — |
| Engine | 125 cc | 125 cc |
| Horsepower | 15 hp | 15 hp |
| Weight | 124 kg | 121 kg |
| Seat height | 36 mm | 35 mm |
| Fuel capacity | 1.7 L | 1.7 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper. | Single disc. Galfer wave disc with double piston caliper |
| Rear brakes | Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper. | Single disc. Galfer Wave |
| Tires | 90/90-21 / 120/80-18 | 90/90-21 / 120/90-18 |
UM DSR 125 EX vs Rieju Marathon 125 Pro — which should you buy?
Picking between the UM DSR 125 EX and the Rieju Marathon 125 Pro usually comes down to the numbers you care about most. On paper, the UM DSR 125 EX brings 15 hp in a 124 kg package, while the Rieju Marathon 125 Pro counters with 15 hp at 121 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: