This parts catalogue provides comprehensive coverage for the 2008 Yamaha Outboard models 115B and 140B. These robust outboard engines are engineered for reliable performance and durability, suitable for a wide range of marine applications. The catalogue details all original factory parts, ensuring that owners and technicians can accurately identify and source components for maintenance and repair. The scope of this manual encompasses a detailed breakdown of all major assemblies, including the top and bottom cowlings, cylinder and crankcase, crankshaft and piston, fuel and oil systems, electrical components, and drive systems. It also covers power trim and tilt, steering, and remote control assemblies. This resource is designed to assist users in maintaining their Yamaha outboard motors, ensuring optimal functionality and longevity through the use of genuine parts.