Thumpstar MX 85 vs KTM 105 SX (2020)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Thumpstar MX 85stacks up against the KTM 105 SX. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Thumpstar MX 85 | KTM 105 SX |
|---|---|---|
| Model year | 2020 | 2004 |
| Price | — | — |
| Engine | 85 cc | 85 cc |
| Weight | — | 68 kg |
| Seat height | — | 35 mm |
| Fuel capacity | 1.3 L | 1.3 L |
| Fuel type | petrol | petrol |
| Transmission | — | 6-speed |
| Front brakes | Single disc. Dual Pot Calipers | Single disc |
| Rear brakes | Single disc | Single disc |
Thumpstar MX 85 vs KTM 105 SX — which should you buy?
Picking between the Thumpstar MX 85 and the KTM 105 SX usually comes down to the numbers you care about most. On paper, the Thumpstar MX 85 brings its published horsepower, while the KTM 105 SX counters with its own power figure at 68 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: