SUZUKI GS550 E/T/L 1982 Service Supplement Manual, 48 pages OEM Ref. # 99501-35010-28E NOS New Old Stock. #125/C
This Supplementary service manual covers four models of GS550 series:
GS550 1977-1979
GS550E 1980
GS550L 1979-1986
GS550T 1981
Although this is a NOS manual, the cover doesn't look fresh anymore. The inside is clean and in excellent condition.