| MODEL | ZUNDAPP EM 300 1928 |
| Year | 1928 |
| Engine Type | Single cylinder, two-stroke |
| Displacement / Capacity | 298 cc / 18.18 cu in |
| Bore X Stroke | 68 x 82.5 mm / 2.7 x 3.2 in |
| Compression Ratio | — |
| Cooling System | Air |
| Max Power | 5.8 kW / 8 hp @ 3000 rpm |
| Max Torque | — |
| Ignition | — |
| Induction | Amac 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 | 100 kg / 220.5 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 2.85-26 |
| Rear Tyre | 2.85-26 |
| FUEL SYSTEM | |
| Fuel Capacity | — |
| Fuel Consumption | — |
| Top Speed | 90 km/h / 55.9 mph |
The EM 300 was the larger-bore sibling of the EM 250, a 298 cc two-stroke single making 8 hp. It keeps the three-speed chain-driven layout and rigid rear end.
