This factory service manual provides comprehensive information for the 1997 Yamaha 50 EJRV Outboard motor. Engineered by Yamaha Motor Corporation for reliable marine propulsion, this gasoline-powered outboard motor delivers 50 horsepower. Its robust construction and advanced design ensure dependable performance for a wide range of boating applications. This manual is dedicated to preserving the integrity and operational efficiency of your Yamaha outboard. The purpose of this English-language manual is to serve as an authoritative guide for all aspects of maintenance, repair, and troubleshooting. It includes detailed, step-by-step procedures, exploded diagrams, and essential technical specifications. Owners, mechanics, and technicians will find critical information on recommended service intervals, oil types and capacities, and inspection schedules, all organized for clarity and ease of use. This resource is designed to empower users to effectively maintain and repair their Yamaha 50 EJRV Outboard motor, ensuring its longevity and optimal function.