This manual covers the Yamaha LF150 outboard motor, manufactured between 2005 and 2011. Designed for marine propulsion, this four-stroke, 150 horsepower engine features an inline 4-cylinder configuration with a displacement of 1832 cc. Known for Yamaha's commitment to engineering quality and reliability, the LF150 offers robust performance for a variety of boating applications. Its internal combustion engine utilizes unleaded gasoline and is equipped with a digital CDI ignition system, wet sump lubrication, and a water-cooled system, ensuring efficient and dependable operation on the water.

The purpose of this factory service manual is to provide comprehensive guidance for the maintenance, repair, and technical understanding of the Yamaha LF150 outboard motor. It details essential procedures, including recommended servicing with Yamalube 4M and oil capacity specifications, alongside in-depth technical specifications and troubleshooting information. This manual serves as an indispensable resource for owners, mechanics, and technicians, enabling them to effectively maintain the performance, safety, and longevity of their Yamaha LF150 outboard motor.