Model: R 69
Production  
Engine  
Power transmission  
Electrical System  
Chassis  
Dimensions/Weights  
     
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Production
Begin of the Production   1955
End of the Production   1960
Numbers Produced   2956
Price   3.950,- DM
Engine
Internal Designation   268/2
Motor Type   four-stroke two-cylinder flat-twin
Bore x Stroke   72 x 73 mm
Displacement   594 ccm
Max Power   35 hp at 6800 rpm
Compression Ratio   7.5 : 1
Valves   ohv
Carburetion System   2 x carburettor Bing 1/26/9 - 1/26/10
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   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   Noris L 60/6/1500 L
Spark Plugs   Bosch W 240 T1
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 722 x 980 mm
Wheel Base   980 mm
Fuel Tank Capacity   17 l
Unladen Weight, Full Tank   202 kg (with original sidecar 320 kg)
Idle/Riding Noise   85/83 phon (from 16/12/1955: 83/76 phon)
Load Rating   360 kg (with original sidecar 600 kg )
Fuel Consumption   approx. 3,6 l/100 km
Oil Consumption   approx. 0,5 - 1 l/1000 km
Top Speed   165 kph