This manual covers the Yamaha 25ELJ, a 1986 outboard motor designed for marine propulsion. Engineered by Yamaha Motor Corporation, this 2-stroke gasoline-powered unit delivers 25 horsepower and features a 2-cylinder configuration with a displacement of approximately 39.6 cubic inches (649 cc). Its robust construction and reliable performance make it a dependable choice for various watercraft applications. This comprehensive Service Repair Maintenance Manual provides detailed instructions for the disassembly, repair, and assembly of your Yamaha 25ELJ outboard motor. It includes exploded diagrams to aid in understanding complex procedures, along with information on routine maintenance, recommended oil types such as Yamalube 2-M, and inspection schedules. The manual is presented in English and is completely bookmarked and searchable, ensuring efficient access to the information needed by owners and technicians to maintain and repair the unit.