This book by David Sales is a comprehensive guide for repairing and enhancing the performance of Suzuki GS400/450 Twins manufactured between 1977 and 1983. It covers all aspects of Suzuki motorcycle repair and is an essential resource for any owner or enthusiast. The publication year of this trade paperback edition is 1985 and it is written in English.

The book is titled "Suzuki Service, Repair, Performance For GS400/450 Twins 1977-1983" and is published by Clymer. It includes information on various topics related to Suzuki motorcycles, such as troubleshooting, engine overhaul, and electrical system maintenance. This book is perfect for anyone who wants to keep their Suzuki motorcycle in top condition and enhance its performance.