This manual covers the Yamaha C115TXRW outboard motor, manufactured in 1998. This gasoline-powered, 115 horsepower, 2-stroke, inline 4-cylinder engine is engineered for reliable marine propulsion. Its robust design and quality construction ensure dependable performance for a variety of boating applications. This comprehensive Service Repair Maintenance Manual in English provides essential information for maintaining and repairing your Yamaha outboard motor. It details general information, periodic inspections and adjustments, fuel system, power unit, lower unit, bracket unit, and electrical system. With step-by-step instructions, detailed wiring and circuit diagrams, illustrations, photos, exploded views, and diagnostic support, this manual is an indispensable resource for owners and technicians alike.