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Production 1931
Class Classic
air-cooled, four-stroke, single vertical cylinder
Bore / Stroke 63.5mm x 63.5mm
Compression ratio 6.7:1
Horsepower 8.05 HP (6.0 KW) @ 4500RPM
Transmission Gear box: 3-speed, manual

Final Drive: shaft

Clutch: dry, single plate
Suspension Front: parallelogram fork
Rear: hard-tail, sprung seat
Brakes Front: 180mm drum
Rear: 180mm drum
Front Tire 3.00 x 25
Rear Tire 3.00 x 25
Weight 130.0 kg (wet)
Manuals Service Manual

The BMW R 2 was a air-cooled, four-stroke, single vertical cylinder Classic motorcycle produced by BMW in 1931. Claimed horsepower was 8.05 HP (6.0 KW) @ 4500 RPM.


A 63.5mm bore x 63.5mm stroke result in a displacement of just 198.0 cubic centimeters.


The bike has a 3-speed, manual transmission. Power was moderated via the dry, single plate.


It came with a 3.00 x 25 front tire and a 3.00 x 25 rear tire. Stopping was achieved via 180mm drum in the front and a 180mm drum in the rear. The front suspension was a parallelogram fork while the rear was equipped with a hard-tail, sprung seat.

1931 - 1936 BMW R 2[edit]

1931 - 1936 BMW R 2

The 1931 BMW R 2 has, at its heart, an air-cooled, four-stroke, 198cc, single vertical cylinder lump mated to a three-speed manual transmission, that can produce a claimed 8 horsepower and 4500 rpm. This machine also comes with laced wheels, a parallelogram front suspension, a hard-tail rear suspension with a sprung single seat, a large headlight, a rear luggage rack and a drum braking system.

In Media[edit]