| Attribute | TM Racing 250Fi 4T MX × | TM Racing MX 250Fi 2016 × |
|---|---|---|
| General | ||
| Production from (year) | 2017 | 2016 |
| Make | TM Racing | TM Racing |
| Model | TM Racing 250Fi 4T MX | TM Racing MX 250Fi |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Injection | Injection |
| Engine details | Titanium valves | Titanium valves |
| Displacement (cm³) | 249.5 | 249.5 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 77 | 77 |
| Stroke (mm) | 53.6 | 53.6 |
| Gearbox | 5-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Driveline | Straight – tooth gear | Straight – tooth gear |
| Ignition | Kokusan generator, Microtec Electronic | Microtec Electronic |
| Clutch | Multiple-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 50 mm (optional Kayaba USD 48 mm) |
| Rear suspension | TM Racing | TM Racing monoshock |
| Front brakes | Single disc. Wave disc. | Single disc. Wave disk with Nissin pump and Brembo caliper |
| Rear brakes | Single disc. Wave disc. | Single disc. Wave disk with Nissin pump and caliper |
| Diameter (mm) | 245 | 245 |
| Frame type | Perimetral aluminium section | Alluminium perimetral |
| Front tyre | 90/90-X | 80/100-21 |
| Rear tyre | 100/90-X19 | 100/90-19 |
| Wheels | - | Wire spoked, blue rims |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
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| Performance | ||
| Fuel capacity (l) | 8.2 | 8.2 |