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R3

R 3
. Data sheet
. Back to Models
Production
Begin of the Production 1936
End of the Production 1936
Numbers Produced 740
Price 995,- RM
Engine
Internal Designation 203/1
Motor Type four-stroke single-cylinder vertical
Bore x Stroke 68 x 84 mm
Displacement 305 ccm
Max Power 11 hp at 4200 rpm
Compression Ratio 6.0 : 1
Valves ohv
Carburetion System 1 x register carburettor Sum type C K 3/500
Engine Lubricating System forced-feed lubrication
Oil Pump gear pump
Power transmission
Clutch single-plate, dry
Number of Gears 4
Shifting manual
Gearbox Ratios 3.6 / 2.18 / 1.35 / 1
Rear Wheel Ratio 1 : 5.11 (with sidecar 1 : 5.63)
Bevel / Crownwheel 9 / 46 teeth (with sidecar 8 / 45 teeth)
Electrical system
Ignition System battery ignition
Generator Bosch 6 V/45/70 W
Spark Plugs Bosch W 175 T1
Chassis
Designation 203/1
Frame pressed steel twin-loop frame
Front Wheel Suspension cantilever spring, 9 laminae with friction shock absorber
Rear Wheel Suspension rigid
Wheel Rims 2.5 x 19
Tyres front 26 x 3.5 balloon
Tyres rear 26 x 3.5 balloon
Brakes front drum brake
Brakes rear drum brake
Dimensions / Weights
Length x Width x Height 1980 x 850 x 950 mm
Wheel Base 1320 mm
Fuel Tank Capacity 12 l
Unladen Weight, Full Tank 149 kg
PermittedWeight Limit 200 kg
Fuel Consumption approx. 3 l/100 km
Oil Consumption approx. 1 - 2 l/1000 km
Top Speed 100 kph
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