Provides service, repair and maintenance for 1984-1989 Yamaha 2-225hp two-stroke outboard models including Jet drives and 1-6 cylinder motors. Includes general information on each model, tools and techniques, troubleshooting, lubrication, maintenance and tune-up, timing, synchronization and adjustments, fuel system, ignition and electrical systems, power head, gearcase and drive shaft housing, Jet drives, automatic rewind starter, power trim and tilt systems, Yamaha 703 remote control box and complete wiring diagrams. Features 480 illustrated pages.