This manual provides comprehensive service and repair instructions for Tohatsu 115 HP outboard motors. Designed for use by mechanics worldwide, this guide details the engineering and reliability of these powerful engines. It covers all essential aspects needed to understand and maintain the performance of your Tohatsu 115 HP outboard motor, ensuring its optimal function for various marine applications. The purpose of this Service Repair Workshop Manual is to offer detailed guidance for owners and technicians. It includes step-by-step instructions, diagrams, illustrations, and wiring schematics for a wide range of maintenance and repair procedures. Key areas covered include routine maintenance such as tune-ups and oil changes, as well as in-depth information on the fuel system, ignition, electrical system, lubrication, cooling, powerhead, lower unit, and trim and tilt systems. This manual is an indispensable resource for ensuring the longevity and proper functioning of your Tohatsu outboard motor.