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R 50 S

R 50 S
. Data sheet
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Begin of the Production 1960
End of the Production 1962
Numbers Produced 1634
Price 3.535,- DM
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
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
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