The BMW Motorbikes

The BMW Motorbikes

1960 to 1984

Although U.S. sales of BMW motorcycles were strong, BMW was in financial trouble. Through the combination of selling off its aircraft engine division and obtaining financing with the help of Herbert Quandt, BMW was able to survive. The turnaround was thanks in part to the increasing success of BMW's automotive division. Since the beginnings of its motorcycle manufacturing, BMW periodically introduced single-cylinder models. In 1967, BMW offered the last of these, the R27 [2]. Most of BMW's offerings were still designed to be used with sidecars. By this time sidecars were no longer a consideration of most riders; people were interested in sportier motorcycles. The R50/2, R60/2, and R69S marked the end of sidecar-capable BMWs.

In 1970 BMW introduced an entirely revamped product line of 500, 600 and 750 cc displacement models, the R50/5, R60/5 and R75/5 [3] respectively. The engines were a complete redesign from the older models, producing more power and including electric starting (although the kick-starting feature was still included). The "/5" models were short-lived, however, being replaced by another new product line in 1974. In that year the 500 cc model was deleted from the lineup and an even bigger 900 cc model was introduced, along with substantial improvements to the electrical system and frame geometry. These models were the R60/6, R75/6 and the R90/6. In 1975 the kick starter was finally eliminated and a supersport model, the BMW R90S [4], was introduced. The R90S immediately earned the well deserved title of the best supersport machine available. Today these rare models command high prices in the collector marketplace. Many aficionados of BMW motorcycles view the /5 through /7 lineup as the epitome of classic BMW engineering, though all Airhead models produced through 1995 were roughly similar in terms of owner-friendly maintenance and repair. In addition to "/" or "slash" models, other Airhead models such as the G/S (later, GS) and ST also have dedicated followings within BMW circles while others favor certain earlier models like /5 "toasters." Each has their merits which owners will freely debate with enthusiasm. Later BMW model types such as K-bikes ('84 on) and Oilheads ('93 on) included technical innovations that made them more complicated though many owners still elect to service them personally.
1973 R75/5 in factory Granada red paint.
1973 R75/5 in factory Granada red paint.
1994 BMW R100RT
1994 BMW R100RT

In 1977 the product line moved on to the "/7" models. The R80/7 was added to the line. The R90 (898 cc) models, "/6" and R90S models had their displacement increased to 1000 cc; replaced by the R100/7 and the R100S, respectively. These were the first liter size (1,000 cc) machines produced by BMW. 1977 was a banner year with the introduction of the first production motorcycle featuring a full fairing, the R100RS. This sleek model, designed through wind-tunnel testing, produced 70 horsepower (51 kW) and had a top speed of 200 km/h (124 mph). In 1978, the R100RT was introduced into the lineup for the 1979 model year, as the first "full-dress" tourer, designed to compete in this market with the forthcoming Honda Goldwing.

In 1979 the R60 was replaced with the R65, 650cc's. This time with its own frame design and a variant in 1982 the R65LS to include an entry level models to the lineup.

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