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R 2 Series 4
   
. Data sheet
. Back to Models
Production
Begin of the Production   1935
End of the Production   1935
Numbers Produced   2700
Price   850,- RM
Engine
Internal Designation   M 67 S IV
Motor Type   four-stroke single-cylinder vertical
Bore x Stroke   63 x 64 mm
Displacement   198 ccm
Max Power   8 hp at 4500 rpm
Compression Ratio   6.7 : 1
Valves   ohv
Carburetion System   1 x Amal push-in carburettor 18.2 mm
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 6 V/30 W, encased
Spark Plugs   Bosch W 175 or Bosch 200 G 24
 
Chassis
Designation   F 67 S IV
Frame   pressed steel duplex frame
Front Wheel Suspension   cantilever spring, 9 laminae, with friction shock absorber
Rear Wheel Suspension   rigid
Wheel Rims   25 x 3
Tyres front   25 x 3
Tyres rear   25 x 3
Brakes front   drum brake Ø 180 mm
Brakes rear   drum brake Ø 180 mm
Dimensions / Weights
Length x Width x Height   1950 x 850 x 950 mm
Wheel Base   1303 mm
Fuel Tank Capacity   10 l
Unladen Weight, Full Tank   130 kg
PermittedWeight Limit   160 kg
Fuel Consumption   approx. 2,75 l/100 km
Oil Consumption   approx. 1 - 2 l/1000 km
Top Speed   95 kph