2-valve Twins

473cc ©) 498cc: 1 599cc:: 649cc || 745cc | 797cc |) 898cc:: 979cc by Jeremy Churchill R45. 473cc. UK only 1978 to 1985 R50. 498cc. UK 1970 to 1973, US 1969 to 1973 R60. 599cc. UK 1970 to 1978, US 1969 to 1978 R65, R65LS. 649cc. UK 1978 to 1988, US 1979 to 1987 R75. 745cc. UK 1970 to 1977, US 1969 to 1977 R80, R80n, R80G/S*, R80GS, R80ST, R80RT. 797cc. UK 1977 on, US 1977 to 1987 R90/6, R90S. 898cc. UK and US 1973 to 1976 R100,R100n,R100CS,R100GS*,R100R,R100RS,R100RT,R100S, R100SP, R100SRS, R100ST, R100T, R100TR. 979cc. UK and US 1976 to 1984, 1987 on *!nc/udes coverage of the París-Dakar versions Note: The 4-valve engine introduced in 1993 is not covered by this KLMNO (249-lS~ PQI1 (Mrc) Haynes Publishing Sparkford Nr Yeovil Somerset BA22 7 JJ England Haynes Publications, lnc 861 Lawrence Orive California 91320 USA

BMW Twins Owners Workshop Manual by Jeremy Churchill Models covered R45. 473cc. UK only 1978 to 1985 R50. 498cc. UK 1970 to 1973, US 1969 to 1973 R60. 599cc. UK 1970 to 1978, US 1969 to 1978 R65, R65LS. 649cc. UK 1978 to 1988, US 1979 to 1987 R75. 745cc. UK 1970 to 1977, US 1969 to 1977 R80, R80n, R80G/S*, R80GS, R80ST, R80RT. 797cc. UK 1977 on, US 1977 to 1987 R90/6, R90S. 898cc. UK and US 1973 to 1976 R100,R100n,R100CS,R100GS*,R100R,R100RS,R100RT,R100S, R100SP, R100SRS, R100ST, R100T, R100TR. 979cc. UK and US 1976 to 1984, 1987 on *!nc/udes coverage of the París-Dakar versions Note: The 4-valve engine introduced in 1993 is not covered by this manual ABCDE FGH/J KLMNO (249-lS~ PQI1 (Mrc) Haynes Publishing Sparkford Nr Yeovil Somerset BA22 7 JJ England Haynes Publications, lnc 861 Lawrence Orive Newbury Park California 91320 USA - - - Acknowledgements Our thanks are due to Gus Kuhn Motors Ltd of London and Harman Services of Crawley for providing servicing information, Mr. C. Leighton-Thomas of Bath, Embfem Sports Cars of Pimperne, Dorset, and CW Motorcycles of Dorchester who loaned the machines on which this manual was based. The RlOORT featured on the front cover was supplíed by…