This manual covers the Yamaha 70 ETLH, a 1987 model outboard motor designed for marine propulsion. This 2-stroke, 70 horsepower engine features a 3-cylinder, 70 cubic inch displacement, CDI ignition, electric start, and power trim and tilt system. Its robust engineering ensures reliable performance for a variety of boating applications. This Factory Service Manual in English provides comprehensive guidance for maintaining and repairing your Yamaha 70 ETLH outboard motor. It includes step-by-step operating procedures, exploded diagrams before disassembly sections, and recommended maintenance practices such as the use of 2-stroke outboard oil. The searchable and bookmarked format allows for efficient access to information, empowering owners and technicians to keep the motor in optimal condition.