This is a comprehensive manual for Harley Davidson Big Twins owners, covering models from 1970 to 1991. It includes all the necessary information for servicing and repairing your motorcycle, including specifications and schematics. The manual is published by Haynes and is a must-have for any Harley Davidson enthusiast. You will find detailed instructions and illustrations that will guide you through all aspects of maintaining and repairing your motorcycle. This manual is suitable for both beginners and experienced mechanics. Take advantage of this opportunity to get your hands on a valuable resource that will help you keep your Harley Davidson in top condition.