BMW R50S

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BMW R 50S
1960 - 1962 BMW R 50S
Manufacturer BMW
Production 1960
Class Classic
Engine air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder
Bore / Stroke 68.6mm x 68.6mm
Compression ratio 6.8:1
Horse Power 26.02 HP (19.4 KW) @ 5800RPM
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 3.50 -18
Rear Tire 3.50 -18
Weight  (dry), 195.0 kg (wet)
Manuals Service Manual
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The BMW R 50S was a air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder Classic motorcycle produced by BMW in 1960. Claimed horsepower was 26.02 HP (19.4 KW) @ 5800 RPM.

Engine[edit]

A 68.6mm bore x 68.6mm stroke result in a displacement of just 494.0 cubic centimeters.

Drive[edit]

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

Chassis[edit]

It came with a 3.50 -18 front tire and a 3.50 -18 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.

1960 - 1962 BMW R 50S[edit]

1960 - 1962 BMW R 50S 1960 - 1962 BMW R 50S

The same year BMW stopped producing their successful R 50, they started building its more gritty sibling, the 1960 BMW R 50S. This machine has had its engine revised, and claimed a maximum power output of 35 horsepower at 5800 rpm, as opposed to the 26 horsepower produced by the base model. In all other departments, it remained virtually the same, boasting the same standard features such as the telescopic front fork, a rear suspension composed of a long swinging arm with suspension units and oil pressure shock absorbers, a drum braking system, a single seat, laced wheels, a large headlamp, full fenders, and mid-mounted foot pegs.