Model: R 50 S
Production  
Engine  
Power transmission  
Electrical System  
Chassis  
Dimensions/Weights  
     
Back to Index  Print
Production
Begin of the Production   1960
End of the Production   1962
Numbers Produced   1634
Price   3.535,- DM
Engine
Internal Designation   252/3
Motor Type   four-stroke two-cylinder flat-twin
Bore x Stroke   68 x 68 mm
Displacement   494 ccm
Max Power   35 hp at 7650 rpm
Compression Ratio   9.5 : 1
Valves   ohv
Carburetion System   2 x carburettor Bing 1/26/71 - 1/26/72
Engine Lubricating System   forced-feed lubrication
Oil Pump   gear pump
Power Transmission
Clutch   single plate saucer spring, dry
Number of Gears   4
Shifting   foot shifting
Gearbox Ratios   4.17 / 2.73 / 1.94 / 1.54
Rear Wheel Ratio   1 : 3.58 (with sidecar 1 : 4.33)
Bevel / Crownwheel   7 / 25 teeth (with sidecar 6 / 26)
Electrical System
Ignition System   magneto ignition
Generator   Bosch LJ/CGE 60/6/1700 R
Spark Plugs   Bosch W 260 T1 or Beru 260/14
Chassis
Designation   245/2
Frame   double loop steel tubular frame
Front Wheel Suspension   long arm swing with suspension units and oil-pressure shock absorbers
Rear Wheel Suspension   long arm swing with suspension units and oil-pressure shock absorbers
Wheel Rims   deep-bed 2.15B x 18 (with sidecar, rear 2.75C x 18)
Tyres front   3.5 x 18 S
Tyres rear   4 x 18 S
Brakes front   drum brake Ø 200 mm duplex full hub
Brakes rear   drum brake Ø 200 mm simplex full hub
Dimensions/Weights
Length x Width x Height   2125 x 660 x 980 mm
Wheel Base   1415 mm (with original sidecar 1450 mm)
Fuel Tank Capacity   17 l
Unladen Weight, Full Tank   198 kg (with original sidecar 320 kg)
Idle/Riding Noise   84/82 DIN phon
Load Rating   360 kg (with original sidecar 600 kg )
Fuel Consumption   approx. 5,2 l/100 km
Oil Consumption   approx. 0,5 - 1 l/1000 km
Top Speed   160 kph