Kawasaki KX™ 450X vs TM Racing MX 450 Fi 4T (2026)
Side-by-side spec comparison, pricing, and a plain-English breakdown of how the Kawasaki KX™ 450Xstacks up against the TM Racing MX 450 Fi 4T. Numbers pulled from manufacturer spec sheets — click either bike for the full review.
Spec comparison
| Spec | Kawasaki KX™ 450X | TM Racing MX 450 Fi 4T |
|---|---|---|
| Model year | 2026 | 2024 |
| Price | $10,699 | — |
| Engine | 449 cc | 449 cc |
| Weight | 109 kg | 108 kg |
| Seat height | 950 mm | 0 mm |
| Fuel capacity | 6.0 L | 2.0 L |
| Fuel type | petrol | petrol |
| Transmission | Manual, 5 speed, Chain | 5-speed |
| Front brakes | Disc | Single disc. Brembo |
| Rear brakes | Disc | Single disc. Nissin |
| Tires | Dunlop® Geomax AT18F: 80/100-21 51M / Dunlop® Geomax AT18 120/80-18 65M | 80/100-21 / 110/90-19 |
Kawasaki KX™ 450X vs TM Racing MX 450 Fi 4T — which should you buy?
Picking between the Kawasaki KX™ 450X and the TM Racing MX 450 Fi 4T usually comes down to the numbers you care about most. On paper, the Kawasaki KX™ 450X brings its published horsepower in a 109 kg package, while the TM Racing MX 450 Fi 4T counters with its own power figure at 108 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: