| MODEL | NORTON 500 MODEL 18 1930 |
| Year | 1930 |
| Engine Type | Single cylinder, 4 stroke, overhead camshaft, shaft and bevel gear cam drive |
| Displacement / Capacity | 500 cc |
| Bore X Stroke | — |
| Compression Ratio | — |
| Cooling System | — |
| Max Power | — |
| Max Torque | — |
| Ignition | Magneto |
| Induction | — |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump |
| Gear Box | 3 speed, Sturmey-Archer |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Full cradle, single down-tube and twin bottom rails to rear spindle, extra stays from rear spindle to seat pillar over gearbox |
| Front Suspension | Webb TT type fork, central compression spring, adjustable friction dampers |
| Rear Suspension | — |
| Front Brakes | — |
| Rear Brakes | — |
| 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 | — |
In 1930 Norton fielded a redesigned overhead-camshaft 500 single for the Senior TT, but the machine was judged too new and did not win that year. It used a sturdy cradle frame, coil valve springs and a dry-sump oiling system, setting the pattern for the successful racers of the 1930s.
