
| MODEL | NORTON DUNSTALL 1966 - 1975 |
| Year | 1966 - 1975 |
| Engine Type | Parallel twin, OHV, four-stroke |
| Displacement / Capacity | 745 cc / 45.5 cu in |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | Air cooled |
| Max Power | 73 hp (claimed, race-spec engine) |
| Max Torque | — |
| Ignition | — |
| Induction | — |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 4-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Spine frame, large-diameter steel tubing |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | — |
| Rear Brakes | — |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 800 mm / 31.5 in |
| Wheelbase | 1410 mm / 55.5 in |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | — |
| Rear Tyre | — |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | — |
Paul Dunstall was a 1960s tuner who modified Norton twins for more speed and distinctive looks. His 745 cc Dominator-based machines used tuned engines and eventually a spine-type frame, and early aluminium pannier-style tanks gave way to a conventional tank after fuel starvation trouble.