This document pertains to the Tohatsu 50 HP outboard motor, a versatile and reliable power unit designed for a range of boating applications. Engineered for performance and durability, this motor represents a significant advancement in marine propulsion, offering efficient operation and robust construction. Its design emphasizes user-friendliness and long-term serviceability, making it a preferred choice for both recreational and professional use on the water. This comprehensive Workshop Service Repair Manual provides in-depth guidance for the maintenance, repair, and troubleshooting of the Tohatsu 50 HP outboard motor. It covers essential areas including engine specifications, fuel and ignition systems, cooling and lubrication, powerhead overhaul, transmission, and trim/tilt functions. Detailed procedures, diagnostic information, wiring diagrams, and recommended tools are included to assist owners, mechanics, and technicians in ensuring optimal performance and longevity of the unit.