This manual covers the Yamaha 4MLHS Outboard, a 1994 model from its First Generation series. This compact, water-cooled, 2-stroke outboard engine, featuring a 60.0 cc displacement and delivering 4 horsepower, is engineered for reliable performance in a variety of marine applications. Its robust construction and straightforward design ensure dependable operation, making it a suitable choice for smaller vessels and auxiliary power needs. The purpose of this Service Repair Maintenance Manual is to provide comprehensive guidance for the upkeep and repair of your Yamaha 4MLHS Outboard. It details essential maintenance procedures, including lubrication, fuel system servicing, and spark plug replacement, along with troubleshooting information and technical specifications. With step-by-step instructions and exploded diagrams, this manual is an indispensable resource for owners and technicians seeking to maintain the optimal performance and longevity of the engine.