Provides service, repair and maintenance information for 1977-1984 Suzuki 2-140hp outboard models including DT2, DT3.5, DT4.5, DT5, DT6, DT7.5, DT8, DT9, DT9.9, DT15, DT16, DT20, DT25, DT30, DT50, DT50M, DT65, DT65, DT85, DT115, and DT140 motors. Includes general information on each model, tools and techniques, troubleshooting, lubrication, maintenance and tune-up, engine synchronization and adjusting, fuel system, electrical systems, power head, gearcase, automatic rewind starter, power trim and tilt systems, oil injection system and complete wiring diagrams. Features 384 illustrated pages.