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COLD START BMW R51

MotorcycleBMWvide
1940s1949Engine SoundModificationyoutube

In 1923, the first BMW motorcycle was produced; in 1949, the first post-war bike appeared and demand for motorcycles was high. With the r51/3 model, BMW turned their attention to the engine. This engine remained, on the whole, unchanged until 1969, retaining the tried and tested boxer layout. It was universally accepted as being one of the best motorcycle engines ever made. This motorcycle has a single spur-gear driven camshaft which operates pushrods that run from the top of the crankshaft. The r51/3 model has no chains in the motor, and the oil pump and camshaft are gear driven. Coil ignition was abolished and a Norris magneto provided the spark. Weight is 418 pounds. Fuel consumption is about 62 mpg. The “/3″ designation behind the number refers to the 500cc low tuned motorcycles made during 1951-55. #torqchop #bmwcaferacer #classicmotorcycle

About Motorcycle

A motorcycle (motorbike, bike, or, if three-wheeled, a trike) is a two or three-wheeled motor vehicle steered by a handlebar from a saddle-style seat. Motorcycle designs vary greatly to suit a range of different purposes: long-distance travel, commuting, cruising, sport (including racing), and off-road riding. Motorcycling is riding a motorcycle and being involved in other related social activities such as joining a motorcycle club and attending motorcycle rallies. The 1885 Daimler Reitwagen mad...

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Added 16 Sept 2026



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