| MODEL | ZUNDAPP EM 250 1926 |
| Year | 1926 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 249 cc / 15.19 cu in |
| Bore X Stroke | 62 x 82.5 mm / 2.4 x 3.2 in |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 3.3 kW / 4.5 hp @ 3100 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Carburettor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 3-speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Webb fork |
| Rear Suspension | Rigid |
| Front Brakes | Expanding (drum) brake |
| Rear Brakes | Expanding (drum) brake |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | — |
| Ground Clearance | — |
| Dry Weight | — |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 2.85-26 |
| Rear Tyre | 2.85-26 |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | 80 km/h / 49.7 mph |
The EM 250 was an air-cooled 249 cc two-stroke single from the 1920s with a three-speed gearbox and chain drive. This 1926 version has a rigid rear end, Webb-type front fork and drum brakes on both wheels.
