Spec Sheet
The information below is specific to the BMW - R 50/5 70, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.
Back.BMW - R 50/5 70
Bike Info
CC:
500
Brakes
Front:
Drum
Rear:
Drum
Rear Drum Size:
200 mm
Dimensions
Ground Clearance:
165 mm
Height:
1040 mm
Length:
2100 mm
Wheelbase:
1385 mm
Width:
852 mm
Electrics
Voltage:
12v
Charging System:
Alternator - Bosch 12 V/180 W
Ignition:
Single set Mechanical Points
Spark Plugs:
NGK BP6ES
Engine
Type:
Air Cooled 4 Stroke SOHC Flat Twin
Bore x Stroke:
67 x 70.6 mm
Carburation:
2 slide carburettors, Bing 1/26/113 - 1/26/114
Compression Ratio:
8.6:1
Displacement:
498 cc
Lubrication System:
Wet sump
No. of Valves:
4
Starting:
Electric - Bosch 0.5 hp
Valve Train:
OHV, using push rod and rocker arm
Transmission
Clutch Type:
Dry single plate with diaphragm spring
Final Drive:
Shaft
Gearchange Pattern:
1 N 2 3 4
Gear Ratio 1st:
3.896
Gear Ratio 2nd:
2.578
Gear Ratio 3rd:
1.875
Gear Ratio 4th:
1.50
Transmission:
4 Speed
Misc.
Frame:
Double loop tubular frame with bolt on rear section
Motorcycle Style:
Roadster
Number Produced:
7,865
Place of Manufacture:
Spandau - Berlin - Germany
Power
Fuel Consumption:
4.6 litres 100 Km (at constant 90 Kph)
Max Power Output:
32 hp (23.6 KW) at 6,400 rpm
Max Torque:
39 Nm at 5,000 rpm
Top Speed:
97 mph
Suspension
Front:
Telescopic fork with hydraulic shock absorber
Rear:
Long swinging arm with strut
Tyres
Front:
325-S19 Tubed
Rear:
400-18 Tubed
Wheels
Front:
1.85 B 19
Rear:
1.85 B 18
Add information to the model
All information presented on the website is given to the best of our knowledge at the given time. All information is intended to only as a guide. A major Japanese manufacturer's quote:
We reserve the right to vary our specification with or without notice, and as such time and in such manner as we think fit.