KTM SX 125 vs UM DSR 125 SM (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM SX 125stacks up against the UM DSR 125 SM. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM SX 125 | UM DSR 125 SM |
|---|---|---|
| Model year | 2026 | 2023 |
| Price | $8,449 | — |
| Engine | 124 cc | 125 cc |
| Horsepower | — | 15 hp |
| Weight | 92 kg | 124 kg |
| Seat height | 958 mm | 34 mm |
| Fuel capacity | 7.0 L | 1.7 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 6 speed, Chain | 6-speed |
| Front brakes | Hydraulic Disc | Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper. |
| Rear brakes | Hydraulic Disc | Single disc. Wave disc. Hydraulic. Radially mounted two-piston fork caliper. |
| Tires | Dunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 100/90 R19 57M | 100/80-17 / 130/70-17 |
KTM SX 125 vs UM DSR 125 SM — which should you buy?
Picking between the KTM SX 125 and the UM DSR 125 SM usually comes down to the numbers you care about most. On paper, the KTM SX 125 brings its published horsepower in a 92 kg package, while the UM DSR 125 SM counters with 15 hp at 124 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: