| MODEL | NSU MAX 1951 - 1956 |
| Year | 1951 - 1956 |
| Engine Type | Single cylinder, 4 stroke, OHC |
| Displacement / Capacity | 247 cc / 15 cu in |
| Bore X Stroke | 69 x 66 mm |
| Compression Ratio | 7.4:1 |
| Cooling System | Air/Oil cooled |
| Max Power | 11 kW / 15 hp @ 6500 rpm (1956: 13.2 kW / 18 hp @ 7000 rpm) |
| Max Torque | — |
| Ignition | Battery igniter |
| Induction | BING 2/26/25 carburettor |
| Start System | Kick start |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump with external oil tank and filter |
| Gear Box | 4 speed |
| Clutch | Multi-plate |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Pressed steel sheet-metal frame |
| Front Suspension | Short leading-link swingarm with external hydraulic shock absorbers |
| Rear Suspension | Swingarm with external hydraulic shock absorbers |
| Front Brakes | 160 mm drum |
| Rear Brakes | 160 mm drum |
| DIMENSION SPECS | |
| Overall Length | 2051 mm / 80.7 in |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1311 mm / 51.6 in |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | 165 kg / 364 lb (1956: 174 kg / 384 lb) |
| WHEEL SPECS | |
| Front Tyre | 3.25 x 19 |
| Rear Tyre | 3.25 x 19 (3.50 x 19 with sidecar) |
| FUEL SYSTEM | |
| Fuel Capacity | 12 Litres / 3.2 US gal |
| Fuel Consumption | 3.2 l/100 km / 73.5 US mpg |
| Top Speed | 126 km/h / 78.3 mph |
A sturdy single-cylinder 250 with a pushrod-driven overhead camshaft, the Max was NSU's mainstay roadster of the early 1950s and sold in large numbers. It combined a pressed-steel frame with leading-link front forks and a swingarm rear end. Power was raised slightly in the final 1956 year.
