KTM SX 50 vs GAS GAS TXT Boy 50 2T (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the KTM SX 50stacks up against the GAS GAS TXT Boy 50 2T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | KTM SX 50 | GAS GAS TXT Boy 50 2T |
|---|---|---|
| Model year | 2026 | 2010 |
| Price | $5,099 | — |
| Engine | 49 cc | 49 cc |
| Weight | 42 kg | 42 kg |
| Seat height | 653 mm | 24 mm |
| Fuel capacity | 2.0 L | 0.9 L |
| Fuel type | petrol | petrol |
| Transmission | Automatic, 1 speed, Chain | 2-speed |
| Front brakes | Hydraulic Disc | Single disc. 2 -piston caliper |
| Rear brakes | Hydraulic Disc | Single disc. 2 opposed-piston caliper |
| Tires | Maxxis® MX-ST 2.50 X 12 42J / Maxxis® MX-ST 2.75 X 10 38J | 2.50-16 / 3.00-14 |
KTM SX 50 vs GAS GAS TXT Boy 50 2T — which should you buy?
Picking between the KTM SX 50 and the GAS GAS TXT Boy 50 2T usually comes down to the numbers you care about most. On paper, the KTM SX 50 brings its published horsepower in a 42 kg package, while the GAS GAS TXT Boy 50 2T counters with its own power figure at 42 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:

