| MODEL | TM RACING MX 450 FI 2012 |
| Year | 2012 |
| Engine Type | Single cylinder, four-stroke, DOHC with finger followers, 4 titanium valves |
| Displacement / Capacity | 449.2 cc / 27.41 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, 47 mm throttle body |
| Start System | Kick (electric starter optional) |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump, 2 pumps |
| Gear Box | 5-speed |
| Clutch | Multiple-disc, oil bath, hydraulic control |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Perimetral aluminium |
| Front Suspension | Marzocchi USD 50 mm |
| Rear Suspension | Sachs Boge (optional Ohlins TM) |
| Front Brakes | Single disc, 320 mm / 12.6 in; Nissin pump and 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 | 8.20 Litres / 2.17 US gal |
| Fuel Consumption | — |
| Top Speed | — |
The 2012 MX 450 Fi has a fuel-injected titanium-valve 449 cc engine with a 47 mm throttle body and an oversized 320 mm front wave disc. Made in Italy, it uses Marzocchi forks.
