This manual covers the Yamaha 30 ELH, a 1987 model outboard motor. This 2-stroke, 3-cylinder engine displaces 703 cc and produces 30 horsepower. It features a CDI ignition system, water cooling, and is equipped with three Mikuni carburetors. The outboard gearcase offers Forward-Neutral-Reverse shifting and a typical gear ratio of 2.00:1. Designed for reliable marine propulsion, this Yamaha outboard is known for its robust engineering and performance. This Factory Service Manual provides comprehensive guidance for the maintenance, repair, and inspection of your Yamaha 30 ELH outboard motor. It details essential procedures, including disassembly, assembly, and troubleshooting, along with technical specifications and safety recommendations. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure the optimal performance and longevity of their marine engine.