| Attribute | Velocette Mac 1946 × | Gilera Ekstra 4 1968 × |
|---|---|---|
| General | ||
| Production from (year) | 1946 | 1968 |
| Make | Velocette | Gilera |
| Model | Velocette Mac | Gilera Ekstra 4 |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Twin, four-stroke | Twin, four-stroke |
| Fuel system | Carburettor | Carburettor. DellÓrto |
| Displacement (cm³) | 349 | 305 |
| Power (kw) | 13.1 | 10.9 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 68 | - |
| Stroke (mm) | 96 | - |
| Gearbox | 4-speed | - |
| Fuel control | Overhead Valves (OHV) | - |
| Clutch | Wet multiplate | - |
| Compression | 6.8:1 | - |
| Chassis | ||
| Front suspension | Hydralic telescopic forks | - |
| Rear suspension | Swingarm | - |
| Front brakes | Expanding brake (drum brake) | - |
| Rear brakes | Expanding brake (drum brake) | - |
| Diameter (mm) | 152 | 150 |
| Front tyre | 3.25-19 | - |
| Rear tyre | 3.50-19 | - |
| Seat | Dual seat | - |
| Other | ||
| Starter | Kick | - |
| Dimensions | ||
| Wheelbase (mm) | 1,276 | 1,330 |
| Dry weight (kg) | 161 | - |
| Power/weight ratio | 0.0814 | - |
| Overall height (mm) | 990 | 970 |
| Overall length (mm) | 2,130 | 2,030 |
| Overall width (mm) | 700 | 650 |
| Seat height (mm) | 700 | 750 |
| Performance | ||
| Top speed (km/h) | 120 | 125 |
| Fuel capacity (l) | 11 | 19 |