Mostamong
BMW R 100 RT '1978–84
height
1,465mm
BMW R 100 RS (Zweiarmschwinge) '1976–84
1,300mm
BMW R 90 S '1973–76
There were three series of the R 90 S:
- model year 1974: September 1973 to August 1974 (6,058 units);
- model year 1975: June 1974 to September 1975 (6,413 units) - A strengthened crankshaft has a new main bearing to prevent flex;
- model year 1976: August 1975 to June 1976 (4,984 units) - Engine casings are improved in anticipation of the forthcoming R 100 S.
1,210mm
BMW R 65 '1978–85
1,090mm
BMW R60/7 '1976–78
1,080mm
BMW R60/6 '1973–76
1,080mm
BMW R 90/6 '1973–76
1,080mm
WheelsAge.org '2005–pr.