| MODEL | TM RACING MX 450 FI 2019 |
| Year | 2019 |
| Engine Type | Single cylinder, four-stroke, DOHC |
| Displacement / Capacity | 449.0 cc / 27.40 cu in |
| Bore X Stroke | 95.0 x 63.4 mm / 3.7 x 2.5 in |
| Compression Ratio | — |
| Cooling System | Liquid |
| Max Power | — |
| Max Torque | — |
| Ignition | Kokusan generator, Microtec electronic |
| Induction | Fuel injection, 44 mm throttle body |
| Start System | Electric & kick |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump, 2 pumps |
| Gear Box | 5-speed |
| Clutch | Multiple-disc, oil bath, hydraulic control |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Aluminium perimetral |
| Front Suspension | Kayaba USD, 48 mm travel |
| Rear Suspension | TM Racing monoshock |
| Front Brakes | Single disc, 270 mm / 10.6 in; Nissin pump and Brembo caliper, wave disc |
| Rear Brakes | Single disc, 245 mm / 9.6 in; Nissin pump and caliper, wave disc |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 80/100-21 |
| Rear Tyre | 110/90-19 |
| FUEL SYSTEM | |
| Fuel Capacity | 7.50 Litres / 1.98 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2019 MX 450 Fi is the fuel-injected 450 four-stroke with Kayaba forks, an aluminium perimeter frame and both electric and kick starting. A 44 mm throttle body feeds the dry-sump engine.
