The guide "Yamaha XT 660 X / XT 660 R" by Bucheli provides comprehensive information on all models of the Yamaha XT 660 series available since the 2004 model year. Written by Franz Josef Schermer, this guide is aimed at vehicle enthusiasts and owners of the XT 660 models who are looking for detailed technical information and practical tips. With a paperback cover and 172 pages, the book offers a structured and easily accessible overview of various aspects of the motorcycles, including maintenance, repair, and specific features of the models. Published in 2005, it is written in German and offers valuable insights for anyone interested in these vehicles. The guide is an essential reference work for anyone looking to better understand and maintain the Yamaha XT 660 X and XT 660 R.