BMW R61 (1938-41)

Make Model: BMW R 61


Year: 1938 – 41
Engine: Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity: 600 cc / 36.6 cu in.
Bore x Stroke: 70 x 78 mm
Compression Ratio: 5.7:1
Cooling System: Air cooled
Induction: 1x Amal M75/426 S carburetor
Ignition: Battery ignition
Starting: Kick
Clutch: Single plate, dry
Max Power: 13.4 kW / 18 hp @ 4800 rpm
Transmission / Drive: 4 Speed
Gear Ratio: 1st 3.6 / 2nd 2.28 / 3rd 1. 7 / 4th 1.3:1
Frame: Twin loop steel tubular frame
Front Suspension: Telescopic fork
Rear Suspension: Telescopic suspension
Front Brakes: 200mm Drum
Rear Brakes: External shoe brake at the gearing on Cardan shaft
Front Tyre: 3.00 -19″
Rear Tyre: 3.50 -19″
Wet-Weight: 184 kg / 405 lbs

Fuel Capacity: 14 liters / 3.6 US gal


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