This manual covers the Yamaha F75C and F90C outboard motors, designed for reliable marine propulsion. These 4-stroke engines, powered by unleaded gasoline, offer 75 to 90 horsepower and feature a displacement of 1832 cc. Engineered for optimal performance within an operating speed range of 5000-6000 RPM, they represent Yamaha's commitment to quality and durability in marine applications.

The purpose of this service repair manual is to provide comprehensive guidance for the maintenance and repair of your Yamaha outboard motor. It details essential procedures, including recommended service intervals of every 100 hours or annually, oil specifications such as Yamalube 4M 10W-30, and oil capacity of 5.5 liters. This manual serves as an indispensable resource for owners and technicians to ensure the continued optimal functioning and longevity of the F75C and F90C models.