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1990 Yamaha PRO50 HP outboard Service Repair Manual

1990 Yamaha PRO50 HP outboard Service Repair Manual

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  • Model
    50HP Models
  • Manufactured by
    Yamaha
This Service Repair Manual covers the Yamaha PRO50 HP outboard motor, manufactured in 1990. Designed for marine propulsion, this 50 HP, 2-stroke gasoline engine utilizes a water-cooled system and a CDI ignition. Its robust engineering ensures reliability for various marine applications. The outboard drive system is a key component of its efficient operation.

This comprehensive manual provides detailed guidance for the disassembly, repair, assembly, and inspection of the Yamaha PRO50 HP. It includes exploded diagrams to facilitate maintenance procedures and offers essential technical specifications. The English-language document is searchable and bookmarked for easy navigation, making it an indispensable resource for mechanics and technicians seeking to maintain and repair this outboard motor effectively.

This manual covers 1990 Yamaha PRO50 HP outboards.The information has been compiled to provide the mechanicwith an easy to read, handy reference that contains comprehensive explenation of all disassembly, repair,assembly and inspection operations. Each chapter provides exploded diagrams before each disassembly section for ease in identifying the correct disassembly and assembly procedures. The manual is completly bookmarked and searchable. It covers everything about the motor.


This manual covers 1990 Yamaha PRO50 HP outboards.The information has been compiled to provide the mechanicwith an easy to read, handy reference that contains comprehensive explenation of all disassembly, repair,assembly and inspection operations. Each chapter provides exploded diagrams before each disassembly section for ease in identifying the correct disassembly and assembly procedures. The manual is completly bookmarked and searchable. It covers everything about the motor.