BMW R50/5, R60/5, R75/5, R60/6, R90

(1969 - 1973) R 50/5
(1969 - 1973) R 60/5
(1969 - 1973) R 75/5

(1973 - 1976) R 60/6 
(1973 - 1976) R 75/6
(1973 - 1976) R 90/6

(1973 - 1976) R 90/S