High Quality Content by WIKIPEDIA articles! The BMW 247 engine is an air-cooled flat-twin motorcycle engine with two valves per cylinder, also known as the "airhead" boxer. It was used by BMW in its motorcycles from 1969 to 1995. The /5 variant was introduced in 1969, /6 in 1974 and the /7 in 1977. Before 1981 the ignition was points ignition. From 1981, introduced in the R80G/S it used electronic ignition, Nikasil cylinders, and a lighter flywheel. A number of different models were on the market: CS: the Classic Sport, with a 1000 cc engine, GS: Gelande/Strasse - winner of a number of the Dakar rallies, RS: Renn (Racing) Sport, RT: Road Touring, S: with the most famous R90S, which was as fast as the Porsche Boxster in acceleration, ST: An 800 cc road-styled G/S.

Данное издание не является оригинальным. Книга печатается по технологии принт-он-деманд после получения заказа.