BMW R71 (1938-41)

Make Model: BMW R 71


Year: 1938 – 41
Engine: Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity: 746 cc / 45.5 cu in.
Bore x Stroke: 78 x 78 mm
Compression Ratio: 5.5:1
Cooling System: Air cooled
Induction: 2 x Graetzin G 24 carburetors
Ignition: Battery ignition
Starting: Kick
Clutch: Single plate, dry
Max Power: 16.4 kW / 22 hp @ 4600 rpm
Transmission: 4 Speed
Final Drive: Shaft
Gear Ratio: 1st 3.60 / 2nd 2.28 / 3rd 1.70 / 4th 1.30
Frame: Twin loop steel tubular frame
Front Suspension: Telescopic front fork,
Rear Suspension: Telescopic suspension, plunger type
Front Brakes: 200mm Drum duplex full hub
Rear Brakes: 200mm Drum simplex full hub
Front Tyre: 3.50 -19″
Rear Tyre: 3.50 -19″

Wet-Weight: 187 kg / 412 lbs
Fuel Capacity: 14 liters / 3.6 US gal


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