KTM SX 125 vs Yamaha RX 125 (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM SX 125stacks up against the Yamaha RX 125. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM SX 125 | Yamaha RX 125 |
|---|---|---|
| Model year | 2026 | 2024 |
| Price | $8,449 | — |
| Engine | 124 cc | 124 cc |
| Horsepower | — | 15 hp |
| Torque | — | 11 Nm |
| Weight | 92 kg | 124 kg |
| Seat height | 958 mm | 36 mm |
| Fuel capacity | 7.0 L | 1.9 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 6 speed, Chain | 6-speed |
| Front brakes | Hydraulic Disc | Single disc. Floating calliper. Front wheel only ABS. |
| Rear brakes | Hydraulic Disc | Single disc. Floating calliper |
| Tires | Dunlop® GEOMAX MX34 80/100 R21 51M / Dunlop® GEOMAX MX34 100/90 R19 57M | 90/90-21 / 120/80-18 |
KTM SX 125 vs Yamaha RX 125 — which should you buy?
Picking between the KTM SX 125 and the Yamaha RX 125 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 Yamaha RX 125 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: