2015年12月18日 · Manufactured from 1932 to 1936 in several versions, the single cylinder R4 is a rugged workhorse then favored by German police and military. This is a basic transportation BWW using a 14 horsepower 398cc overhead valve single with enclosed valve gear, shaft drive and a channel section pressed steel frame.

BMW R4 Motorcycle model years, frame and engine serial numbers, documentation and specifications

The market situation and the German "Reichswehr" signaled a strong demand for single-cylinder 400cc motorcycles. BMW responded and constructed the R4. This model closed the gap between the large and small models at this time. The R4 was produced in 5 series from 1931 until 1936. There were always made some minor modifications from series to series.

2014年8月12日 · As the 30s rolled around and Depression hit, BMW saw the need for a diminutive single-cylinder bike to offer alongside its twins. The sub 200cc R2 sold quite well, but the BMW R4 was an intermediate bike between the budget single and…

Engine: single cylinder. More images... The R4 was followed by the R35 in 1937. 398cc OHV singles built in Germany. History and Technical Information.

Die im Jahr 1932 erschienene BMW R 4 war ein Einzylinder-Motorrad von BMW mit einem Hubraum von 400 cm³.

The BMW R4 was a air-cooled, four-stroke, single vertical cylinder Classic motorcycle produced by BMW in 1932. Claimed horsepower was 13.95 HP (10.4 KW) @ 4000 RPM. BMW produced 15,200 R4 motorcycles using innovative mass production techniques, setting new standards of design and quality.

Detailing the technical specifications, development, and operational history of the BMW R4 Light Military Motorcycle including pictures.

2023年4月11日 · Love my RW4. Unless towing a trailer or going short distances, I’d recommend sticking with their tires. Moped tires slow the bike and reduce range. I upgraded to hydraulic calipers after 5000 miles. The kickstand keeper on etsy is great. The primary reason I don’t recommend the RW4 is bc the market is flooded with comparable options at this ...

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