This manual covers the Yamaha 90TJRP, a 90 horsepower, 2-stroke gasoline outboard motor manufactured in 1991. Designed for marine propulsion, this model exemplifies Yamaha's commitment to engineering quality and reliability. Its robust construction and efficient performance make it a dependable choice for a variety of marine applications. The purpose of this service repair maintenance manual is to provide comprehensive guidance for the upkeep and repair of your Yamaha 90TJRP outboard motor. It includes detailed, step-by-step procedures for disassembly, assembly, repair, and inspection, often accompanied by exploded diagrams. This resource is essential for owners, mechanics, and technicians seeking to maintain the optimal performance and longevity of the unit.