| Attribute | Velocette Thruxton 1966 × | Norton ES 400 Electra 1963 × |
|---|---|---|
| General | ||
| Production from (year) | 1966 | 1963 |
| Make | Velocette | Norton |
| Model | Velocette Thruxton | Norton ES 400 Electra |
| Category | Allround | Allround |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 2 |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 499 | 400 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 86 | 66 |
| Stroke (mm) | 86 | 56 |
| Gearbox | 4-speed | 4-speed |
| Fuel control | Overhead Valves (OHV) | - |
| Ignition | Magneto | - |
| Clutch | Wet multiplate | Wet multiplate |
| Compression | 9.1:1 | 7.9:1 |
| Chassis | ||
| Front suspension | Hydralic telescopic forks | Telescopic |
| Rear suspension | Twin shock | Two schock |
| Front brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Front tyre | 3-19 | - |
| Rear tyre | 3.25-19 | - |
| Seat | - | Dual |
| Wheels | - | Spoked |
| Other | ||
| Starter | - | Electric |
| Dimensions | ||
| Dry weight (kg) | 170 | 161 |
| Overall height (mm) | 990 | 1,016 |
| Overall length (mm) | 2,130 | 2,032 |
| Overall width (mm) | 700 | 686 |
| Performance | ||
| Fuel capacity (l) | 17 | - |