YAMAHA DS7 1971 Factory Service Manual Supplement, 10 pages NOS New Old Stock. #1521/A
1st Edition, November 1970
This DS7 is an improved version of the DS6-A 250cc Sportster. For complete technical information and repair instructions, it is required to read this Supplement Manual together in conjunction with the R5 / R5B / R5F Service Manuals.
This manual is in excellent condition.