1955 BMW R50
| Engine Engine type Bore x Stroke Displacement Valves Compression ratio Max Power Max Torque Fuel system Transmission Final drive Clutch Ignition type Starting system Lubrication Exhaust Spark plug Battery Gear ratios | Air-cooled, 4-stroke, two cylinder flat twin 68.0 x 68.0 mm (2.67 x 2.67 inches) 494 cc OHV 6.8:1 18 hp @ 4000 rpm 2 x carburettor, Bing 1/24/45 - 1/24/46 4-speed (foot shifting) Cardan Single plate saucer spring, dry Magneto ignition Kick starter Wet sump Bosch W 240 T1 6 volt 12 amp hour |
| Dimensions Frame type Castor Overall length Overall width Overall height Wheelbase Seat height Ground clearance Dry weight Fuel capacity Colors Suspension (front) Suspension (rear) Tyre (front) Tyre (rear) Brake (front) Brake (rear) | Double loop steel tubular frame 2125 mm (83.66 inches) 660 mm (25.98 inches) 980 mm (38.58 inches) 1415 mm (55.70 inches) 770 mm (30.3 inches) 130 mm (5.11 inches) 195 kg 17 litres Long swing arm with suspension units and oil pressure shock absorbers Long swing arm with suspension units and oil pressure shock absorbers 3.50 R18 3.50 R18 Drum brake 200 mm / 7.87 in diameter duplex full hub Drum brake 200 mm / 7.87 in diameter simplex full hub |
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