This Factory Service Repair Manual provides comprehensive information for the Tohatsu 70 HP outboard motor. Engineered for reliability and performance, this motor is designed for a wide range of boating applications. Its robust construction and advanced engine management systems ensure efficient operation and durability. This manual details the quality and precision that define the Tohatsu brand, offering owners the knowledge to keep their equipment in optimal condition. This manual serves as an essential resource for maintaining and repairing your Tohatsu 70 HP outboard motor. It covers a vast array of topics, including detailed tune-up procedures, common fixes, preventative maintenance tips, and advanced troubleshooting guidance. With hundreds of illustrations, traceable wiring diagrams, and step-by-step instructions for powerhead, fuel, electrical, cooling, transmission, and trim/tilt systems, this document empowers owners and technicians alike. It includes technical specifications, safety guidelines, and a glossary, facilitating informed decisions and effective repairs.