This manual provides comprehensive service and repair information for the 45 HP Outboard motor, covering production years 1966 through 1968. Designed for owners and mechanics, this factory service repair manual details all aspects of the engine, including its mechanical and electrical systems, drivetrain, and controls. The 45 HP Outboard is recognized for its robust engineering and reliability, making it a dependable choice for various marine applications. This manual aims to preserve that performance through detailed guidance. The scope of this English-language manual encompasses a wide range of essential topics, including detailed maintenance procedures, tune-up guidelines, and troubleshooting diagnostics for common issues. Owners and technicians will find extensive coverage on engine specifications, powerhead assembly, fuel systems, ignition systems, and starting mechanisms, all supported by hundreds of photos and illustrations. This resource is intended to empower users to perform routine maintenance and complex repairs efficiently, ensuring the longevity and optimal performance of their 45 HP Outboard motor.