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Yamaha F250 LF250 User Manual

Yamaha F250 LF250
83 pages
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F250
LF250
OWNER’S MANUAL
LIT-18626-06-80
6P2-28199-12
U.S.A.Edition

Table of Contents

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Yamaha F250 LF250 Specifications

General IconGeneral
Prop Shaft Horsepower250 hp
Full Throttle RPM Range5000-6000 rpm
Compression Ratio10.3:1
Gear Ratio1.75:1
Starting SystemElectric
SteeringRemote
Engine TypeV6
Bore x Stroke96 mm x 96 mm
Max Output250 hp
Fuel Induction SystemElectronic Fuel Injection (EFI)
Recommended Fuel87 octane or higher
Recommended OilYamalube 4M
ExhaustThrough Propeller
Cooling SystemWater-cooled

Summary

Important Manual Information

To the Owner

Introduction to the manual's purpose and how to use it effectively for proper operation and maintenance.

General Information

Identification, Emissions, and Safety

Details on serial numbers, emission compliance, critical safety precautions, and basic boating rules.

Fuel, Oil, Battery, and Propeller

Procedures for fueling, engine oil, battery requirements, and guidance on propeller selection.

Start-in-Gear Protection

Explanation of the safety feature preventing engine start in gear for enhanced operator safety.

Basic Components and Instrumentation

Component Identification

Identification and illustration of the outboard motor's primary parts and external features.

Controls and Adjustments

Operation of remote controls, power trim/tilt, trim tab, and throttle adjustments for optimal use.

Instrumentation and Gauges

Explanation of various gauges including tachometer, speedometer, fuel, and warning indicators.

Operation Procedures

Installation and Initial Setup

Procedures for installing, mounting, and breaking in the engine for initial use.

Preoperation, Starting, and Warming Up

Essential checks before operation and steps for safely starting and warming the engine.

Driving and Maneuvering

Instructions for shifting, stopping, trimming, and operating the motor in various conditions.

Tilting and Shallow Water Use

Procedures for tilting the motor and operating safely in shallow water environments.

Maintenance Procedures

Specifications and Storage

Technical specifications and guidelines for transporting and storing the outboard motor.

Engine, Fuel, and Cooling System Maintenance

Procedures for flushing cooling, maintaining fuel filter, engine oil, and spark plugs.

Gear Oil, Propeller, and Battery Care

Procedures for changing gear oil, servicing the propeller, and battery maintenance.

Maintenance Schedule

Schedule of recommended maintenance tasks based on operating hours or time intervals.

Trouble Recovery

Troubleshooting Common Issues

A guide to diagnosing and resolving common engine and operational problems.

Emergency Procedures

Immediate actions for emergencies like impact damage, engine failure, or submerged motors.

Fuse Replacement

Instructions on how to safely identify and replace blown fuses in the electrical system.

Consumer Information

Warranty Details

Information on warranty coverage, registration, and claims for U.S.A. and Canada.

International Warranty Use

Information regarding warranty coverage when using the motor outside the U.S.A. or Canada.

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