Model: R 2 Series 1
Power transmission  
Electrical System  
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Start of Production 1931
End of Production 1931
Number Sold 4161
Price 975,-DM
Internal Designation M67
Motor Type four-stroke single-cyclinder vertical
Bore x Stroke 63 x 64mm
Displacement 198cc
Max Power 6hp at 3500rpm
Compression Ratio 6.7:1


Carburetion System 1 x Sum carburettor
Engine Lubricating System forced-feed lubrication
Oil Pump gear pump
Power Transmission  
Clutch single-plate, dry
Number of Gears 3
Shifting Manual
Gearbox Ratios 2.89 / 1.7 / 1
Rear Wheel Ratio 1 : 6.75
Bevel / Crownwheel 8 / 54 teeth
Electrical System  
Ignition System battery ignition
Generator Bosch 6V / 30W
Spark Plugs Bosch W 175 or Bosch 200 G 24
Designation F67
Frame pressed steel duplex frame
Front Wheel Suspension cantilever spring, 9 laminae
Rear Wheel Suspension rigid
Wheel Rims 25 x 3
Tyres Front 25 x 3
Tyres Rear 25 x 3
Brakes Front drum brake 180mm
Brakes Rear drum brake 180mm
Length x Width x Height 1950 x 850 x 950 mm
Wheel Base 1320mm
Fuel Tank Capacity 11 litres
Unladen Weight, Full Tank 130 kg
Permitted Weight Limit 200 kg
Fuel Consumption approx. 2,75 l/100km
Oil Consumption approx. 1 - 2 l/1000km
Top Speed 95 kph