| MODEL | NORTON DOMINATOR 650SS 1962 - 1968 |
| Year | 1962 - 1968 |
| Engine Type | Four-stroke parallel twin, pushrod OHV, two valves per cylinder |
| Displacement / Capacity | 647 cc / 39.5 cu in |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | Air cooled |
| Max Power | 36.5 kW / 49 hp |
| Max Torque | — |
| Ignition | — |
| Induction | — |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Full duplex cradle (Featherbed type) |
| Front Suspension | Telescopic forks with coil springs |
| Rear Suspension | Swinging arm with adjustable, three-position hydraulically damped Girling units |
| Front Brakes | Drum, 203 mm / 8.0 in |
| Rear Brakes | Drum, 178 mm / 7.0 in |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | 192 km/h / 119.5 mph |
The 650SS was the quick, twin-carburettor 650 cc Dominator with American cafe-racer styling. It was widely regarded as the best of the Dominator line, and was a base for tuners such as Dunstall.
