| Attribute | Lem CX3 SR × | Tomos Flexer 50 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2003 |
| Make | Lem | Tomos |
| Model | Lem CX3 SR | Tomos Flexer 50 |
| Category | Cross / motocross | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Fuel system | Injection | - |
| Displacement (cm³) | 49.8 | 49 |
| Power (kw) | 5.1 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | - |
| Gearbox | 1-speed | Automatic |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Ignition | flywheel magneto with coil | - |
| Clutch | wet clutch | - |
| Chassis | ||
| Rear suspension | Monoshock | - |
| Front brakes | Double disc | Expanding brake (drum brake) |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Frame type | steel tubes with alluminium swing-armi brake pedal and rear body | - |
| Rake (fork angle) (degree) | 7.3 | - |
| Other | ||
| Starter | Electric & kick | - |
| Dimensions | ||
| Dry weight (kg) | 49 | 55 |
| Power/weight ratio | 0.1022 | - |
| Performance | ||
| Fuel capacity (l) | 2 | 4.5 |