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.
This Service Manual numbers about 200 pages. Absolutely priceless if you're restoring or maintaining a classic Yamaha 2-stroke twin from the early 60s. The service manual is very complete and carefully copied so the photos are clear.
Covers all repair and maintenance aspects, specs, and frankly if you can't fix it with this manual on hand, it can't be fixed. Yamaha does good service manuals and you'll find all the info you need in here for any repair project on your classic 2-stroke.