This manual covers the Yamaha 25 ELRW outboard motor, manufactured in 1998. This water-cooled, gasoline-powered engine delivers 25 horsepower and features a CDI ignition system and carburetor fuel delivery. It is designed for a variety of marine applications, offering reliable performance and durability. The engine can be equipped with either a remote or tiller steering mechanism and may feature manual or power trim. Starting is accomplished via electric or recoil methods, and it utilizes an outboard propeller drive. This comprehensive Service Repair Maintenance Manual provides detailed instructions for the disassembly, repair, assembly, and inspection of the Yamaha 25 ELRW. It includes essential information on key maintenance procedures such as fuel system, ignition system, cooling system, lubrication, and lower unit service. Exploded diagrams are provided before disassembly sections to aid in understanding component relationships. This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain and repair this outboard motor effectively.