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Yamaha F250 User Manual

Yamaha F250
124 pages
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Read this manual carefully before operating this
outboard motor.
OWNER’S MANUAL
F225
LF225
F250
LF250
F300
LF300
F250D1
FL250D1
F300B1
FL300B1
LIT-18626-10-82
6CE-28199-36-E0
6CE-9-36-1E0.book 1 ページ 2014年11月28日 金曜日 午後2時55分
©2019 Yamaha Motor Corporation, U.S.A.

Table of Contents

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Yamaha F250 Specifications

General IconGeneral
Prop Shaft Horsepower250 hp
Full Throttle RPM Range5000 - 6000 rpm
Gear Ratio1.75:1
Starting SystemElectric
Displacement4169cc
Bore x Stroke96 x 96 mm
Fuel Induction SystemEFI (Electronic Fuel Injection)
Ignition SystemTCI (Transistor Controlled Ignition)
Alternator Output50 amps
SteeringRemote
Shaft Length25 in
Weight253 kg (557 lbs) - F250XCA
Recommended FuelRegular Unleaded (Minimum Octane 87)

Summary

Important Manual Information

To the Owner

Guidance on understanding the manual and contacting dealers for assistance.

Safety Information

Outboard Motor Safety Precautions

Observe crucial safety precautions for operating the outboard motor.

Propeller Safety

Awareness of propeller hazards and methods to avoid injury.

Engine Shut-Off Cord

Importance and proper use of the engine shut-off cord (lanyard).

Boating Safety Precautions

General safety measures for boating, including alcohol, PFDs, and passengers.

Collision Avoidance

Techniques for preventing collisions with other vessels and obstacles.

Navigational Rules

Basic boating rules for vessel encounters, including right-of-way.

General Information

Identification Numbers

Recording serial numbers for outboard motor and control system.

Compliance Markings

Understanding CE marking and other regulatory compliance labels.

Specifications and Requirements

Engine Specifications

Detailed specifications for dimensions, weight, performance, and power unit.

Installation Requirements

Guidelines for motor mounting, horsepower rating, and optimal height.

Battery Requirements

Specifications for batteries, including capacity and types.

Propeller Selection

Guidance on choosing the correct propeller for your outboard motor and boat.

Fuel Requirements

Recommendations for fuel type, octane, and additives.

Components

Component Diagrams

Visual guide to the location of major outboard motor parts.

Control System Components

Details on digital electronic control, remote transmitter, and switch panels.

Engine Controls

Operation of the control lever, throttle friction, and engine shut-off cord.

Motor Adjustment Controls

Information on main switch, start/stop switches, and power trim/tilt.

Instruments and Indicators

Multifunction Color Gauge

Overview of the 6Y9 gauge, showing engine status and alerts.

Engine Alert Indicators

Details on overheat, low oil pressure, and engine trouble alerts.

Tachometer and Meters

Information on 6Y8 tachometers, speed, and fuel meters.

Engine Control System

Alert System Overview

Describes various alerts and their meanings for the engine control system.

Specific Engine Alerts

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

Installation

Outboard Motor Mounting

Guidelines for proper placement and balancing of the outboard motor.

Mounting Height Considerations

Impact of motor height on performance and cooling.

Operation

Initial Engine Setup

Procedures for first-time operation, including filling oil and breaking in the engine.

Pre-Start Checks

Essential checks before starting the engine, including fuel and controls.

Starting Procedures

Step-by-step guide to starting the engine safely, including security system use.

Motor Adjustment and Operation

Information on shifting, stopping, trolling, and trimming the outboard motor.

Operating Conditions

Guidance for operating in shallow water and other conditions like saltwater.

Maintenance

Transporting and Storing

Precautions for transporting and storing the outboard motor and fuel.

Cleaning and Lubrication

Procedures for cleaning the motor, flushing passages, and lubricating fittings.

Periodic Maintenance Schedule

Maintenance charts detailing service intervals and tasks.

Engine Oil and Spark Plug Maintenance

Procedures for inspecting spark plugs and changing engine oil.

Gear Oil and Anode Maintenance

Procedures for changing gear oil and inspecting/replacing anodes.

Battery Maintenance and Connections

Checking battery, connecting, and disconnecting procedures.

Trouble Recovery

General Troubleshooting

Diagnosing and resolving common engine and system problems.

System-Specific Issues

Troubleshooting for security system, starter, and idling problems.

Alert Indicators and Power Loss

Resolving issues indicated by alerts, buzzers, or engine power loss.

Emergency Procedures

Actions for impact damage, running on one engine, and replacing fuses.

System Malfunctions

Troubleshooting power trim/tilt and water separator alerts.

Consumer Information (North America)

Yamaha Three-Year Limited Warranty

Details of warranty coverage, terms, and limitations for Yamaha outboard motors.

Warranty Service and Exclusions

Information on obtaining repairs, customer responsibilities, and warranty exclusions.

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