1986 Yamaha 4SJ Outboard service repair maintenance manual. Factory

The 1986 Yamaha 4SJ Outboards manual presents procedures in a step-by-step format, compiled to offer mechanics an easy-to-read, comprehensive reference. It includes detailed explanations of disassembly, repair, assembly, and inspection operations. Each chapter features exploded diagrams before disassembly sections, aiding in the identification of correct procedures. The manual is fully bookmarked and searchable, encompassing all aspects of the motor.