This manual covers the Tohatsu M5BS outboard motor, a 2-stroke engine designed for reliable performance. With a displacement of 102 cc and a power output of 5 HP, this water-cooled motor features a CDI ignition system and a manual recoil starter for ease of operation. Its compact design, weighing approximately 21 kg, and tiller handle steering make it suitable for a variety of small watercraft applications. The engine operates within a range of 4500-5500 RPM and requires a fuel mixture of 50:1 gasoline to oil. This comprehensive workshop service repair manual provides detailed information for maintaining and repairing your Tohatsu M5BS outboard motor. It includes step-by-step instructions, detailed illustrations, diagrams, and wiring schematics to assist both do-it-yourself enthusiasts and experienced mechanics. The manual covers essential maintenance procedures, diagnostic steps, and troubleshooting guidance to ensure optimal performance and longevity of your engine. All content is presented in English for clarity and ease of understanding.