This is the Manual issued for the Yamaha DT 1 that covers the bikes from 1968-71. It is 99 pages long and has a great deal of illustrations. There are some fingerprint smudges on the cover. It come with a booklet entitled Helpful Hints from the Service Department of Yamaha which is 28 pages long and covers things like Altitude Tuning and The Autolube Pump. $20.00 includes shipping.