This manual covers the Johnson Evinrude 33 HP outboard motor, manufactured for the model years 1965 through 1978. These engines are known for their robust engineering and reliability, designed to provide dependable performance for a variety of marine applications. This service manual is an essential resource for owners and technicians alike, ensuring the continued operation and longevity of these classic motors. The purpose of this comprehensive service manual is to provide detailed guidance for the maintenance, troubleshooting, and repair of the Johnson Evinrude 33 HP models from 1965-1978. It includes step-by-step procedures, technical specifications, diagnostic information, and clear diagrams for all major systems, including the fuel, electrical, and engine components. By following the instructions within this manual, users can effectively maintain their outboard motor, diagnose issues, and perform necessary repairs with confidence.