1923 BMW R 32 technical specifications

Technical specifications

Model: R 32
Years: 1923-26
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: 5.0:1
Cooling System: Air cooled
Induction: 1 x Special ∅22 mm carburetor
Ignition: Bosch high voltage magneto ignition
Starting: Kick
Clutch: Single plate, dry
Max Power: 6.3 kW / 8.5 hp @ 3200 rpm
Transmission: 3 Speed
Final Drive: Shaft
Gear Ratio: 1st 2.27 / 2nd 1.50 / 3rd 1.08:1
Frame: Twin loop steel tubular frame
Front Suspension: Twin cantilever spring
Rear Suspension: Rigid, spring loaded saddle
Front Brakes: ∅150mm Drum
Rear Brakes: Block brake
Front Tyre: 26 x 3.5 low pressure or 26 x 3.5 high pressure
Rear Tyre: 26 x 3.5 low pressure or 26 x 3.5 high pressure
Wet-Weight: 122 kg / 268 lbs
Fuel Capacity: 14 liters / 3.6 US gal

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