| Attribute | TM Racing MX 250 2005 × | TM Racing EN 250 Enduro × |
|---|---|---|
| General | ||
| Production from (year) | 2005 | 2004 |
| Make | TM Racing | TM Racing |
| Model | TM Racing MX 250 | TM Racing EN 250 Enduro |
| Category | Cross / motocross | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Keihin PWM 38 | Carburettor |
| Displacement (cm³) | 249 | 249 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 66.4 | 66.4 |
| Stroke (mm) | 72 | 72 |
| Gearbox | 5-speed | 6-speed |
| Ignition | Koukusan CDI electronic w/ variable advance | - |
| Clutch | Multiple-disk in oil-bath with hydraulic control | - |
| Compression | 15.5:1 | 15.5:1 |
| Chassis | ||
| Front suspension | Kayba/Paioli USD 48 mm | Paioli USD 46 (optional Ohlins) |
| Rear suspension | Ohlins | Ohlins |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 240 |
| Frame type | Cr-Mo steel. Perimetral oval section. | Cr-Mo steel |
| Front tyre | 100/90-21 | 100/90-21 |
| Rear tyre | 110/90-19 | 140/80-18 |
| Performance | ||
| Fuel capacity (l) | 8 | 9 |