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R 63
   
. Data sheet
. Back to Models
Production
Begin of the Production   1928
End of the Production   1929
Numbers Produced   794
Price   2.100,- RM
Engine
Internal Designation   M 60
Motor Type   four-stroke two-cylinder flat-twin
Bore x Stroke   83 x 68 mm
Displacement   735 ccm
Max Power   24 hp at 4000 rpm
Compression Ratio   6.2 : 1
Valves   ohv
Carburetion System   1 x carburettor, BMW Spezial two-valve 24 mm
Engine Lubricating System   forced-feed lubrication
Oil Pump   gear pump
Power transmission
Clutch   single-plate, dry - from engine no. 75845: two plates
Numberof Gears   3
Shifting   manual
Gearbox Ratios   2.83 / 1.55 / 1.08
Rear Wheel Ratio   1 : 4.07 (sidecar 1 : 4.75)
Bevel / Crownwheel   14 / 57 teeth (sidecar 12 / 57)
Electrical system
Ignition System   Bosch high-voltage magneto ignition
Generator   Bosch magneto generator on request
Spark Plugs   Bosch W 175 or W 200
 
Chassis
Designation   F 56
Frame   twin-loop steel tubular frame
Front Wheel Suspension   plate spring, 6 laminae
Rear Wheel Suspension   rigid
Wheel Rims   deep-bed 19 x 3 or 21 x 2.5
Tyres front   26 x 3.5 on 19 x 3 or 27 x 2.75 on 21 x 2.5
Tyres rear   26 x 3.5 on 19 x 3 or 27 x 2.75 on 21 x 2.5
Brakes front   drum brake Ø 200 mm
Brakes rear   external shoe brake at gearing (on cardan shaft)
Dimensions / Weights
Length x Width x Height   2100 x 800 x 950 mm
Wheel Base   1400 mm
Fuel Tank Capacity   12,5 l
Unladen Weight, Full Tank   152 kg
Load Rating   210 kg
Fuel Consumption   approx. 5 l/100 km
Oil Consumption   approx. 1 - 2 l/1000 km
Top Speed   120 kph