This comprehensive service manual covers the 1988 Yamaha 4LG Outboard. Engineered for reliability and performance, this outboard motor is designed for a variety of marine applications, offering robust functionality and efficient operation. Its construction reflects Yamaha's commitment to quality, ensuring dependable service for recreational and professional use alike.

This manual provides detailed guidance for maintaining and repairing your 1988 Yamaha 4LG Outboard. It encompasses all essential areas, including general information, periodic inspections and adjustments, fuel system, power unit, lower unit, bracket unit, and electrical system. With in-depth troubleshooting sections, detailed specifications, and numerous illustrations, diagrams, and step-by-step instructions, this resource is an indispensable tool for owners and technicians to ensure optimal performance and longevity.