This manual covers the Yamaha 30ELH outboard motor, manufactured in 1987. As a product of Yamaha Motor Company, this 30-horsepower, 2-stroke gasoline engine is designed for marine propulsion. Its robust engineering ensures reliability for demanding aquatic applications. This comprehensive service, repair, and maintenance manual is presented in English and designed for professional use. It details assembly, disassembly, inspection, and repair procedures, supported by exploded diagrams. The manual serves as an essential resource for owners, mechanics, and technicians, providing clear guidance to maintain the optimal performance and longevity of the Yamaha 30ELH outboard motor.