This manual covers the 45 HP Outboard models manufactured between 1966 and 1968. These outboards represent a significant part of recreational boating history from the mid-to-late 1960s. Designed for a variety of marine applications, the 45 HP Outboard is recognized for its robust engineering and reliability, characteristic of the era's marine propulsion systems. This comprehensive guide provides in-depth information for all models, engine types, trim levels, and transmission configurations. This professional technical manual is your definitive resource for maintaining and repairing the 45 HP Outboard. It encompasses a wide range of critical systems, including detailed engine specifications, tune-up procedures, carburetor and fuel system servicing, magneto and electrical component repair, starter systems, and drivetrain components such as the gear housing and motor leg. The manual offers extensive diagnostic and troubleshooting guidance, routine maintenance schedules, fluid specifications, and precise torque values. With hundreds of pages of detailed substeps, notes, cautions, warnings, and illustrations, this English-language document is designed to empower boat owners, marine mechanics, and service technicians to effectively manage all aspects of their outboard's upkeep and repair.