| Attribute | Lem RX3 × | Tomos MC50 Junior 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2007 |
| Make | Lem | Tomos |
| Model | Lem RX3 | Tomos MC50 Junior |
| Category | Minibike, cross | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell´Orto PHBG 19 BS | - |
| Displacement (cm³) | 49.9 | 49 |
| Power (kw) | 9.3 | - |
| Cooling system | Liquid | - |
| Bore (mm) | 39 | - |
| Stroke (mm) | 41.8 | - |
| Gearbox | - | Automatic |
| Ignition | Electronic with microchip | - |
| Clutch | Automatic centrifugal clutch in oil bath | 2 speed automatic |
| Compression | 15.5:1 | - |
| Chassis | ||
| Front suspension | - | telescopic front forks |
| Rear suspension | - | single shock |
| Front brakes | - | Expanding brake (drum brake) |
| Rear brakes | - | Expanding brake (drum brake) |
| Frame type | Seel tubes with alluminium swing-arm brake pedaland Rear Body | - |
| Front tyre | 2.5-12 | 2.5-10 |
| Rear tyre | 2.75-10 | 2.5-10 |
| Other | ||
| Starter | - | Kick |
| Dimensions | ||
| Dry weight (kg) | 42 | 48 |
| Power/weight ratio | 0.2214 | - |
| Seat height (mm) | 675 | 630 |
| Performance | ||
| Reserve fuel capacity (l) | - | 0.5 |
| Fuel capacity (l) | - | 2.5 |