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1933 BMW R4
Country: Germany
Engine: Air-cooled single cylinder four stroke
Ignition: Battery and coil
Power Rating: 12 bhp @4,200 rpm
Bore x Stroke: 78 x 84mm
Displacement: 398cc
Valves: Overhead pushrod activated
Fuel System: Single Bing carburetor
Transmission: Four speed, hand shift
Suspension: Front trailing link with leaf spring, rigid gear
Brakes: Front and rear drum
Weight: 300 lbs
Top Speed: 62mph (100 kph)
BMW produced 15,200 R4’s using innovative mass production techniques, setting new standards of design and quality. Pressed steel frame and components were quick and easy to stamp out and assemble reducing manufacturing costs.
13 replies on “R4”
What a beauty! It must have been a speedster back in the day.
Interesting bike and great shot, Does this also have a hand gearshift like the old Indian Chief?
Clearly one smooth operator, Rian!
Wow, bike design hasn’t changed all that much.
..that, or BMW was way ahead in the game..
classic beauty
I guess you would love to have the same 😉
i didn’t know bmw made a bike. how cool.
Gotta love that vintage look! That is a true piece of artwork!
Yeah, a classic beauty, an amazing piece of machinery. Cool capture!
Belle machine.)
Sweet machine and image. How fun it would be to ride, eh?
GREAT !!!!