1938 BMW R71
| 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 Generator Gear ratios | Air-cooled, Four-stroke two cylinder flat twin 78.0 x 78.0 mm (3.07 x 3.07 inches) 746 cc 2 valves per cylinder; SV 5.5:1 22 hp @ 4600 rpm 2 carburettor Typ Graetzin G 24 4-speed; foot shifting (+ auxiliary manual lever on the gear block) Cardan Single plate, saucer spring, dry Battery ignition Kick starter Forced feed lubrication Bosch RD 50/6 2800 RS 17 Bosch W 175 T 1 |
| 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) | Twin-loop steel tubular frame 2130 mm (83.85 inches) 815 mm (32.08 inches) 960 mm (37.79 inches) 1400 mm (55.11 inches) 807 mm (31.80 inches) 140 mm (5.51 inches) 187 kg 14 litres Telescopic fork Telescopic suspension 3.5 x R19 3.5 x R19 Drum brake 200 mm / 7.87 in diameter duplex full hub Drum brake 200 mm / 7.87 in diameter duplex full hub |
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