This manual covers 50G/60F/75C/90A Series Outboards, gasoline-powered outboard motors designed for marine applications. These water-cooled engines, ranging from 50 to 90 horsepower, are engineered for reliability and performance. The series likely features 3 or 4-cylinder configurations, utilizing a CDI ignition system and an outboard lower unit drive. Detailed specifications, including bore/stroke and gear ratios, are provided within this document, offering comprehensive information for owners and operators. The purpose of this Service and Repair Manual is to provide detailed guidance for the maintenance, repair, and troubleshooting of 50G/60F/75C/90A Series Outboards. It includes step-by-step procedures, high-quality diagrams with exploded views, and a comprehensive maintenance schedule. This manual is an essential resource for both DIY enthusiasts and professional mechanics, offering the necessary information to ensure the longevity and optimal performance of these outboard motors. The English language manual is presented for easy digital access and portability across various devices.