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R 50 /2

R 50/2
. Data sheet
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Production
Begin of the Production 1960
End of the Production 1969
Numbers Produced 19036
Price 3.130,- DM
Engine
Internal Designation 252/2
Motor Type four-stroke two-cylinder flat-twin
Bore x Stroke 68 x 68 mm
Displacement 494 ccm
Max Power 26 hp at 5800 rpm
Compression Ratio 7.5 : 1
Valves ohv
Carburetion System 2 x carb. type Bing 1/24/45 - 46 or 1/24/131 - 132 or 1/24/149 - 150
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 (with sidecar: 5.33 / 3.02 / 2.04 / 1.54)
Rear Wheel Ratio 1 : 3.18 (with sidecar 1 : 4.25 or 1 : 4.33)
Bevel / Crownwheel 11 / 35 teeth (with sidecar 8 / 34 or 6:26)
Electrical system
Ignition System magneto ignition
Generator Bosch LJ/CGE 60/6/1700 R
Spark Plugs Bosch W 240 T1 or Beru 240/14
Chassis
Designation 245/1
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 3 x 18 (with sidecar, rear 2.75C x 18)
Tyres front 3.5 x 18
Tyres rear 3.5 x 18 (with sidecar, 4 x 18)
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 195 kg (with original sidecar 320 kg )
Idle/Riding Noise 82/76 phon (from June 1967: 72 dB(A), 84 dB(A))
Load Rating 360 kg (with original sidecar 600 kg )
Fuel Consumption approx. 5,1 l/100 km
Oil Consumption approx. 0,5 - 1 l/1000 km
Top Speed 140 kph (with original sidecar 100 kph)
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