This manual covers the Yamaha 4AC / 4AS / 5C / 5CS series outboard motors manufactured in 1995, specifically detailing the 4MLHT, 4MSHT, 5MLHT, and 5MSHT models. These water-cooled, inline outboard motors, available in 4 HP and 5 HP variants, utilize carburetor fuel delivery and CDI ignition systems. Engineered for reliability and performance, these motors are designed for a variety of marine applications, offering dependable power for recreational and professional use. This comprehensive service and repair manual provides essential information for maintaining and troubleshooting your Yamaha outboard motor. It includes detailed sections on general information, specifications, periodic inspection and adjustment, fuel system, power unit, lower unit, bracket unit, electrical system, and trouble analysis. By following the procedures and guidelines within this manual, owners, mechanics, and technicians can ensure optimal performance, longevity, and safe operation of their Yamaha outboard motor.