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Yamaha F90 User Manual

Yamaha F90
112 pages
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Read this manual carefully before operating this
outboard motor.
OWNER’S MANUAL
F90
LIT-18626-11-52
6FP-28199-30-E0
©2019 Yamaha Motor Corporation, U.S.A.

Table of Contents

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Yamaha F90 Specifications

General IconGeneral
Full Throttle RPM Range5000 - 6000 rpm
Alternator Output35 Amp
ExhaustThrough Propeller
LubricationWet Sump
Starting SystemElectric
SteeringRemote
Displacement1832 cc
Prop Shaft Horsepower90 hp
Fuel Induction SystemEFI (Electronic Fuel Injection)
Ignition SystemTCI
CoolingWater Cooled
Recommended OilYamalube 4M
Gear ShiftF-N-R
Shaft LengthL = 508 mm (20 in), X = 635 mm (25 in)
Trim & TiltPower Trim & Tilt
Fuel RecommendationRegular unleaded (87 octane minimum)
Fuel FilterIn-line

Summary

Important Manual Information

To the Owner

Introduction to the manual and owner information.

Safety Information

Outboard Motor Safety

Essential precautions for safe operation of the outboard motor.

Boating Safety Practices

General safety guidelines for boating activities.

Basic Boating Rules

Rules for navigating and interacting with other vessels on the water.

General Information

Identification Numbers

Recording serial numbers and key numbers for reference.

Labels and Compliance Marks

Information on CE marking, compliance marks, and warning labels.

Specifications and Requirements

Technical Specifications

Technical details and dimensions of the outboard motor.

Installation Guidelines

Guidelines for properly installing the outboard motor on a boat.

Engine and Battery Requirements

Details on engine oil, fuel, and battery specifications.

Components

Components Diagram

Illustrated overview of the outboard motor's main parts.

Controls and Accessories

Information on optional items, remote control, fuel tank, and security systems.

Instruments and Indicators

Warning and Alert Indicators

Explanation of various warning and alert indicators on the instrument panel.

Gauges and Displays

Information on reading tachometer, speedometer, and fuel gauge.

Engine Control System

Alert System Functionality

Explanation of the engine alert system and its functions.

Specific Alert Conditions

Details on overheat, low oil pressure, and water separator alerts.

Installation

Motor Mounting Height

Guidance on proper motor mounting height and balance.

Operation

First-Time Engine Operation

Initial steps and checks before operating the engine for the first time.

Fueling and Starting Procedures

Procedures for safely refueling and starting the engine.

Shifting, Stopping, and Trimming

How to shift gears, stop the boat, and adjust motor trim.

Maintenance

Transporting and Storage

Precautions and procedures for transporting and storing the motor.

Routine Maintenance Checks

Flushing cooling water, cleaning exterior, and checking spark plugs.

Maintenance Schedules

Schedules and intervals for regular maintenance tasks.

Trouble Recovery

Troubleshooting Common Issues

Common problems, checks, and remedies for outboard motor issues.

Emergency Procedures

Handling impact damage, replacing fuses, and trim/tilt unit problems.

Consumer Information

Three-Year Limited Warranty

Details of the limited warranty coverage for Yamaha outboard motors.

International Warranty Usage

Warranty specifics for using Yamaha products outside the US and Canada.