1.3 (902.A0) (09/1976 - 07/1979)

1.3 (902) (05/1978 - 12/1979)

1.3 (902A) (05/1978 - 02/1980)

1.3 (902A) (07/1979 - 12/1989)

1.5 (902.A1) (05/1978 - 12/1981)

1.5 (902.A5) (07/1979 - 01/1987)

1.5 (902A5C, 902A5B) (01/1980 - 12/1989)

1.5 (902C) (03/1982 - 12/1988)

1.7 (902C2E) (03/1987 - 12/1989)

1.7 i.e. (902C2D) (10/1987 - 12/1989)