| Drivetrain |
| Displacement |
735cc |
| Cylinders |
2 |
| Bore x Stroke (mm) |
83 x 68 |
| HP @ RPM |
25 @ 4000 (Series I-II)
33 @ 4000 (Series III-V) |
| Compression Ratio |
6.5:1 (Series I-II), 7.0:1 (Series III-V) |
| Valves |
OHV, 2 per cylinder |
| Clutch |
Dry, dual plate, cable operated |
| Transmission |
3 speed, hand shifted |
| Final Drive |
Driveshaft |
| Running Gear |
| Frame |
Pressed steel, rivetted |
| Front Suspension |
Undamped (friction damping beginning with Series IV), trailing link, leaf spring |
| Rear Suspension |
Rigid |
| Front Brakes |
200mm drum, single leading shoe |
| Rear Brakes |
Contracting shoe drum on driveshaft, heel operated |
| Electrical |
| Ignition |
Bosch magneto (Battery/coil or magneto option on Series V) |
| Spark Plugs |
Bosch W175 |
| Generator |
Bosch D2B L type magneto/generator, 6V 30/50W (Bosch B245R generator, 6V 45/70W, standard, D2B R 6V 30/50W magneto/generator optional, on Series V) |
| Capacities & Measurements |
| Weight |
165kg |
| Fuel |
14l |
| Wheelbase |
1380mm |
| Top Speed |
120kph (Series I-II), 126kph (Series III-V) |
| Number Produced |
1006 (all Series) |
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