BMW R 50/5



The BMW R 50/5 was a air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder Classic motorcycle produced by BMW in 1969. Max torque was 28.77 ft/lbs (39.0 Nm) @ 5000 RPM. Claimed horsepower was 32.05 HP (23.9 KW) @ 6400 RPM.

Bmw-r-505-1969-1973-2.jpg
BMW R 50/5
Manufacturer
BMW
Production 1969
Class Classic
Engine
air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder
Bore / Stroke 66.0mm x 66.0mm
Compression ratio 8.6:1
Horsepower 32.05 HP (23.9 KW) @ 6400RPM
Torque 28.77 ft/lbs (39.0 Nm) @ 5000RPM
Transmission Gear box: 4-speed, manual

Final Drive: shaft

Clutch: dry, single plate
Suspension Front: telescopic fork
Rear: long swing arm with suspension units and oil pressure shock absorbers
Brakes Front: 200mm drum
Rear: 200mm drum
Front Tire 3.25 -S19
Rear Tire 4.00 -S18
Weight 195.0 kg (wet)
Manuals Service Manual

EngineEdit

A 66.0mm bore x 66.0mm stroke result in a displacement of just 494.0 cubic centimeters.

DriveEdit

The bike has a 4-speed, manual transmission. Power was moderated via the dry, single plate.

ChassisEdit

It came with a 3.25 -S19 front tire and a 4.00 -S18 rear tire. Stopping was achieved via 200mm drum in the front and a 200mm drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a long swing arm with suspension units and oil pressure shock absorbers.

1969 - 1973 BMW R 50/5Edit

     

The 1969 BMW R 50/5 boasts an improvement in its power output, reaching a maximum one of 32 horsepower and 39 Nm of torque from its air-cooled, four-stroke, 494cc, boxer twin cylinder powerhouse, as opposed to the 26 horsepower produced by the R 50/2.

In all other departments, it boasts the same standard fittings, such as the laced wheels, an analogue instrument cluster, full fenders, a dual exhaust system, a large, round headlamp, a small tail light, a telescopic front fork, a drum braking system, a long swing arm with suspension units and oil pressure shock absorbers as a rear suspension and a dry, single plate clutch.


In MediaEdit