| MODEL | NSU MOTOSULM 1933 |
| Year | 1933 |
| Engine Type | Single cylinder, 2 stroke, 3 channel timing piston |
| Displacement / Capacity | 63 cc / 3.8 cu in |
| Bore X Stroke | 45 x 40 mm |
| Compression Ratio | 5.5:1 |
| Cooling System | Air/Oil cooled |
| Max Power | — |
| Max Torque | — |
| Ignition | Flywheel magneto generator |
| Induction | Amal/Gruetzin carburettor |
| Start System | — |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | — |
| Clutch | Multi friction |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Round tube steel |
| Front Suspension | — |
| Rear Suspension | — |
| Front Brakes | — |
| Rear Brakes | — |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 42 kg / 92.6 lb |
| WHEEL SPECS | |
| Front Tyre | 26 x 2.00 balloon |
| Rear Tyre | 26 x 2.00 balloon |
| FUEL SYSTEM | |
| Fuel Capacity | 1.8 Litres / 0.5 US gal |
| Fuel Consumption | 1.7 l/100 km / 138 US mpg |
| Top Speed | 35 km/h / 21.7 mph |
The Motosulm was a tiny motorised bicycle from NSU's early 1930s output, with a 63 cc two-stroke engine mounted over the front wheel. It was aimed at cheap everyday transport for people who could not afford a full motorcycle.
