This manual covers the 120 HP Outboard motor, produced in 1984. Marine was a notable manufacturer in the mid-to-late 20th century, known for reliable and performance-oriented engines. This particular model represents their offerings from the 1980s, a period of evolving outboard technology. The 120 HP outboard is designed for recreational boating and features a water-cooled, typically two-stroke engine with a carbureted fuel delivery system and magneto ignition. Its outboard drive unit includes forward, neutral, and reverse gears, with service procedures for the gear housing detailed within. This comprehensive Service Repair Workshop Manual is designed to assist DIY boat owners, independent marine mechanics, and service professionals. It provides detailed, factory-accurate information mirroring that used by authorized dealers, enabling cost-effective maintenance and repairs. The manual covers a wide array of systems, including the engine, carburetor, starter systems, electrical components, fuel system, gear housing, and steering handle. It offers step-by-step instructions for maintenance, troubleshooting, repair, and rebuilds, supported by clear text, numerous diagrams, exploded views, wiring schematics, and precise torque specifications.