This manual weights 3 pounds and is 3/4 inch thick

Rear shock absorber

however the inside is in excellent condition

SUZUKI   GS550C  1978  Sports/Touring  and GS550  Limited Edition Sports/Touring  Sales Brochure #57

KAWASAKI  SS340-A2

YAMAHA G6 G7 GT JT L5 RD TY YG YJ YZ Fuel Petcock Retaining Nut 122-24531-00 SUZUKI DR370 1978 Owner's Manual #A340 This manual weights 3 poundsYAMAHA Fuel Petcock Retaining Nut OEM Ref. # 122 24531 00 NOS New Old Stock. B38 C Fits G6 1970 1971, G7 1972 GT1 1973, GT80 1974 1975, GTMX 1973 1975 JT1 1971, JT2 1972 L5T 1969 1970 RD60 1973 1975 TY80 1974 1975 YG1 1963 1966, YG5 1968 1969 YJ1 1964 1965, YJ2 1964 1965 YZ80 1974 1976