YAMAHA DT100 DT125 DT175 B 1974-1975 Service Supplement Manual 437-28197-70 #663

YAMAHA  DT100B / DT125B / DT175B  1975   Factory Service Supplement Manual, 6 pages  Printed in English and French  OEM Ref. # 437-28197-70  NOS  New Old Stock.   #663/A

This little manual is to be used together with the Service Manual for the 1974 DT100/125/175 A models.  It contains information about the Ignition Timing for the DT100/175B and the Thermal Phase Shocks for the DT175B.

The cover of this little manual has some shelf ware, however the inside is clean and in excellent condition.