Pressed Steel Boxer: 1929 BMW R11

Riding the BMW R11, Alan Cathcart hones in on BMW’s early foray into successful motorcycle manufacturing.

By Alan Cathcart
Published on April 3, 2019
article image
by Kel Edge

1929 BMW R11
Engine: 745cc air-cooled sidevalve horizontally opposed twin, 78mm x 78mm bore and stroke, 5.5:1 compression ratio, 18hp @ 3,400rpm
Top speed: 62mph (100kmh)
Carburetion: Single 24mm BMW
Transmission: 3-speed, shaft final drive
Electrics: 6v, Bosch magneto

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