.

BMW R 50S

Make Model

BMW R 50S

Year

1960 - 62

Engine

Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.

Capacity

494 cc / 30.1 cu in.
Bore x Stroke 68 x 68 mm
Compression Ratio

9.5:1

Cooling System Air cooled

Induction

2 x Bing 1/24/45 - 1/24/46 carburetors

Ignition

Magneto ignition

Starting

Kick

Clutch Single plate saucer spring, dry

Max Power

26 kW / 35 hp @ 5800 rpm

Transmission

4 Speed

Final Drive

Shaft
Gear Ratio 1st 5.33 / 2nd 3.02 / 3rd 2.04 / 4th 1.54:1
Frame Double loop steel tubular frame

Front Suspension

Telescopic fork

Rear Suspension

Long swing arm with suspension units and oil pressure shock absorbers

Front Brakes

∅200mm Drum, duplex full hub

Rear Brakes

∅200mm Drum, simplex full hub

Front Tyre

3.50 -18"

Rear Tyre

3.50 -18"

Wet-Weight

195 kg / 429 lbs

Fuel Capacity 

17 liters / 4.49 US gal