NSU Pony (1937-53) vs NSU Sportmax (1954-56)
Comparison technical specifications
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| Make: | NSU | NSU |
| Model: | Pony | Sportmax |
| Years: | 1937-53 | 1954-56 |
| Engine: | Single cylinder, 2 stroke | Single cylinder, 4 stroke, OHC |
| Capacity: | 97 cc / 5.9 cub in | 247 cc / 15 cub in |
| Bore x Stroke: | 49 x 52 mm | 69 x 66 mm |
| Cooling: | Air/Oil cooled | Air/Oil cooled |
| Lubrication: | Dry sump | Dry sump |
| Clutch: | Multi-plate friction clutch | Multi-plate |
| Starting: | Kick start | Kick start |
| Ignition: | Pradnico -magneto flywheel 6V, 15W Bosch or Noris | Coil |
| Carburetor: | Amal 68/412 N and after teh war BING AJ 1/14/17 | BING 2/26/25 |
| Exhaust System: | Single, steel and chrome exhaust | Twin, steel |
| Max Power: | 2.2 kW / 3 hp @ 4700 rpm | 20.6 kW / 28 hp @ 10 00 rpm |
| Compression Ratio: | 1:6 | 7.4:1 |
| Transmission: | 2-speed, gearshift on tank | Four speed block |
| Final Drive: | Chain | Chain |
| Frame: | Round steel pipe | Single-bar stamped plate with engine protection and suspended |
| Wet Weight: | 63 kg / 139 lbs | 155 kg / 342 lbs |
| Top Speed: | 55 km/h / 34 mph (from 1937: 60 km/h / 37.3 mph) | 212 km/h / 131.7+ mph |