A REPRINT version of a Yamaha dealers service manual for a variety of 2-stroke 250cc and 305cc Yamaha Twins from the early 60s. Specifically this factory service manual covers the 1962-66 YM1, YDS2, YD3, YDS3, YDS3C as well as YD2, YDS1 and YDT1.
A bound reprint of the VERY useful Yamaha Racing Tips Manual first published in 1972. The information applies to prior model years and up through approximately 1973/74 depending on model.
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