This manual covers the Johnson Evinrude 15 HP outboard motor, spanning production years from 1965 through 1978. Engineered for reliable performance, these motors are known for their robust construction and efficiency, making them a trusted choice for a variety of boating applications. The detailed information within this guide is designed to ensure owners and operators can maximize the longevity and operational excellence of their Johnson Evinrude 15 HP unit. The purpose of this comprehensive service manual is to provide in-depth technical guidance for maintenance, repair, and troubleshooting. It includes essential procedures, diagnostic information, and specifications necessary for maintaining the optimal condition of your Johnson Evinrude 15 HP motor. Whether you are performing routine maintenance or addressing complex repairs, this manual serves as an indispensable resource for technicians and owners alike, ensuring safe and effective operation.