| Attribute | TM Racing MX 250 F 2008 × | TM Racing MX 250 F 2005 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2005 |
| Make | TM Racing | TM Racing |
| Model | TM Racing MX 250 F | TM Racing MX 250 F |
| 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 | Carburettor. Keihin FCRD 39mm | Carburettor. Mikuni TDMR 38 mm |
| 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 | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Kokusan CDI Electronic with variable advance | Koukusan CDI electronic w/ variable advance |
| Clutch | Multiuple-disk in oil-bath with hydaulic control | Multiple-disk in oil-bath with hydraulic control |
| Lubrication system | Dry sump with double rotor pump | Dry sump with double rotor pump. |
| Chassis | ||
| Front suspension | Marzocchi USD 50mm ( optional Ohlins 48mm) | Kayba/Paioli USD 48 mm |
| Rear suspension | Sachs Boge (optional Ohlins) | Ohlins |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 245 |
| Frame type | Perimetral aluminium section | Cr-Mo steel. Perimetral oval section. |
| Front tyre | 90/90-X21 | 90/90-21 |
| Rear tyre | 100/90-X19 | 100/90-19 |
| Other | ||
| Starter | Electric & kick | Kick |
| Performance | ||
| Fuel capacity (l) | 8.2 | 8 |