The Chrysler 90 HP Outboard motor, manufactured for the 1978 model year, represents a robust and reliable option for marine propulsion. Engineered for dependable performance, this outboard motor features a carburetor fuel system and a magneto ignition system, designed to deliver consistent power and efficiency on the water. Its construction emphasizes durability and serviceability, ensuring it meets the demands of various boating applications. This Service Repair Workshop Manual provides comprehensive guidance for the maintenance and repair of your 1978 Chrysler 90 HP Outboard motor. It covers essential procedures including tune-ups, oil changes, and spark plug replacement, alongside detailed information on the electrical system, steering, and control components. With step-by-step instructions, diagrams, wiring schematics, torque specifications, and diagnostic procedures, this manual is an indispensable resource for owners and technicians seeking to maintain the optimal performance and longevity of their marine engine.