Comparison of TM Racing 450Fi 4T MX and TM Racing MX 450 Fi 2012 [S]ave
| Attribute |  TM Racing 450Fi 4T MX × |  TM Racing MX 450 Fi 2012 × |
|---|---|---|
| General | ||
| Production from (year) | 2017 | 2012 |
| Make | TM Racing | TM Racing |
| Model | TM Racing 450Fi 4T MX | TM Racing MX 450 Fi |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection. 44 mm throttle body | Injection. 47 mm throttle body |
| Engine details | Titanium valves | DOHC with finger follower and 4 Titanium Valves |
| Displacement (cm³) | 449.2 | 449.2 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 95 | 95 |
| Stroke (mm) | 63.4 | 63.4 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Driveline | Straight – tooth gear | Primary drive: Straight – tooth gear |
| Ignition | Kokusan CDI Electronic with variable advance | Kokusan generator, Microtec Electronic |
| Clutch | Multiuple-disk in oil-bath with hydaulic control | Multiuple-disk in oil-bath with hydaulic control |
| Lubrication system | Dry sump with double rotor pump | Dry sump with 2 pumps |
| Chassis | ||
| Front suspension | Kayaba USD | Marzocchi USD fork, 50 mm |
| Rear suspension | TM Racing | Sachs Boge (optional Ohlins TM) |
| Front brakes | Single disc. Wave disc. | Single disc. Braking wave Disk. With Nissin pump and caliper |
| Rear brakes | Single disc. Wave disc. | Single disc. Braking wave Disk. With Nissin pump and caliper |
| Diameter (mm) | 245 | 245 |
| Frame type | Perimetral aluminium section | Perimetral aluminium |
| Front tyre | 90/90-X21 | 80/100-21 |
| Rear tyre | 110/90-X19 | 110/90-19 |
| Other | ||
| Starter | Electric & kick | Kick |
| Color options |
|
|
| Performance | ||
| Fuel capacity (l) | 8.2 | 8.2 |
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