This workshop service repair manual covers the Tohatsu 70 HP outboard motor. Designed for reliability and performance, the Tohatsu 70 HP is a capable engine for various boating applications. Its robust engineering ensures dependable operation, making it a trusted choice for recreational and professional use. This manual provides comprehensive information to understand and maintain this powerful marine engine. This manual serves as an essential resource for owners, technicians, and mechanics. It details all aspects of maintenance, including tune-up procedures, fuel system, ignition, lubrication, cooling, powerhead, lower unit, trim and tilt, and starter systems. Troubleshooting guidance, critical specifications, step-by-step repair procedures, and essential diagrams are included to facilitate accurate diagnostics and repairs. Safety information and a glossary of technical terms are also provided for a complete understanding of the engine's operation and upkeep.