Harley-Davidson SX 125 vs UM DSR SM (2024)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Harley-Davidson SX 125stacks up against the UM DSR SM. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Harley-Davidson SX 125 | UM DSR SM |
|---|---|---|
| Model year | 2024 | 2021 |
| Price | — | — |
| Engine | 124 cc | 124 cc |
| Horsepower | — | 15 hp |
| Torque | 11 Nm | 11 Nm |
| Weight | — | 121 kg |
| Seat height | 35 mm | 35 mm |
| Fuel capacity | 1.9 L | 1.4 L |
| Fuel type | petrol | petrol |
| Transmission | 6-speed | 6-speed |
| Front brakes | Single disc. Floating calliper | Single disc. Wave disc. Hydraulic. |
| Rear brakes | Single disc. Floating calliper | Single disc. Wave disc. Hydraulic. |
| Tires | 100/80-R17 / 130/70-R17 | 110/80-17 / 130/70-17 |
Harley-Davidson SX 125 vs UM DSR SM — which should you buy?
Picking between the Harley-Davidson SX 125 and the UM DSR SM usually comes down to the numbers you care about most. On paper, the Harley-Davidson SX 125 brings its published horsepower, while the UM DSR SM 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:

