This manual pertains to the Tohatsu M5B Outboard, a compact and reliable outboard motor designed for various marine applications. Engineered for durability and performance, this 5 HP engine is a testament to efficient marine propulsion. Its 2-stroke design, coupled with water cooling and a fuel system utilizing unleaded gasoline mixed with oil, ensures consistent operation. The transmission offers Forward, Neutral, and Reverse gear selection, providing essential maneuverability for a wide range of boating activities. The purpose of this Factory Service Repair Manual is to provide comprehensive guidance for the maintenance, repair, and troubleshooting of the Tohatsu M5B Outboard. It covers essential procedures, including detailed troubleshooting steps, repair instructions, and scheduled maintenance guidelines. The manual also includes technical specifications and wiring diagrams, empowering owners and technicians to perform necessary tasks effectively. By offering in-depth knowledge and enabling DIY repairs, this manual aims to facilitate cost savings and ensure the longevity of the outboard motor.