Yamaha F6Z Manuel utilisateur

SERVICE MANUAL

LIT-18616-02-19 68T-28197-ZA-11

F6Z

F8Z

NOTICE

This manual has been prepared by Yamaha primarily for use by Yamaha dealers and their

trained mechanics when performing maintenance procedures and repairs to Yamaha

equipment. It has been written to suit the needs of persons who have a basic understanding

of the mechanical and electrical concepts and procedures inherent in the work, for without

such knowledge attempted repairs or service to the equipment could render it unsafe or unfit

for use.

Because Yamaha has a policy of continuously improving its products, models may differ in

detail from the descriptions and illustrations given in this publication. Use only the latest

edition of this manual. Authorized Yamaha dealers are notified periodically of modifications

and significant changes in specifications and procedures, and these are incorporated in

successive editions of this manual.

F6Z, F8Z

SERVICE MANUAL

1st Edition, April 2000

Any reprinting or unauthorized use without the

written permission of Yamaha Motor

Corporation, USA is expressly prohibited.

Printed in USA

P/N LIT-18616-02-19

HOW TO USE THIS MANUAL

MANUAL FORMAT

All of the procedures in this manual are organised in a sequential, step-by-step format. The

information has been compiled to provide the mechanic with an easy to read, handly

reference that contains comprehensive explanations of all disassembly, repair, assembly, and

inspection operations.

In this revised format, the condition of a faulty component will precede an arrow symbol and

the course of action required will follow the symbol, e.g.,

•Bearings

Pitting/scratches ➔Replace.

To assist you in finding your way through this manual, the section title and major heading is

given at the top of every page.

MODEL INDICATION

Multiple models are referred to in this manual and their model indications are noted as

follows.

ILLUSTRATIONS

The illustrations within this service manual represent all of the designated models.

CROSS REFERENCES

The cross references have been kept to a minimum. Cross references will direct you to the

appropriate section or chapter.

Model name (W/W) F6AMH F8CMH

USA and Canada name F6MH F8MH

Indication F6AMH F8CMH

IMPORTANT INFORMATION

In this Service Manual particularly important information is distinguished in the following

ways.

The safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS

INVOLVED!

WARNING

Failure to follow WARNING instructions could result in severe injury or death to the machine

operator, a bystander or a person inspecting or repairing the outboard motor.

CAUTION

A CAUTION indicates special precautions that must be taken to avoid damage to the

outboard motor.

NOTE:

A NOTE provides key information to make procedures easier or clearer.

HOW TO USE THIS MANUAL

1The main points regarding removing/installing and disassembly/assembly procedure are

shown in the exploded views.

2The numbers in the exploded views indicate the required sequence of the procedure and

should be observed accordingly.

3Symbols are used in the exploded views to indicate important aspects of the procedure.

A list of meanings for these symbols is provided on the following page.

4It is important to refer to the job instruction charts at the same time as the exploded

views.

These charts list the sequence that the procedures should be carried out in, as well as

providing exploded on part names, quantities, dimensions and important points relating

to each relevant task.

Example:

O-ring 39.5 x 2.5 mm: inside diameter (D) x ring diameter (d)

5In addition to tightening torques, the dimensions of the bolts and screws are also

mentioned.

Example:

Bolt and screw size : bolt and screw diameter (D) x length (L)

6In addition to the exploded views and job instruction charts, this manual provides

individual illustrations when further explanations are required to explain the relevant

procedure.

10 x 25 mm

SYMBOLS

Symbols 1to 9are designed as thumb-tabs

to indicate the content of a chapter.

1General information

2Specifications

3Periodic check and adjustment

4Fuel system

5Power unit

6Lower unit

7Bracket unit

8Electrical system

9Trouble analysis

Symbols :to Eindicate specific data.

>Special tool

ASpecified liquid

BSpecified engine speed

CSpecified torque

DSpecified measurement

ESpecified electrical value

[Resistance (Ω), Voltage (V), Electrical

current (A)]

Symbols Fto Iin an exploded diagram

indicate the grade of lubricant and the

location of the lubricant point.

FApply Yamaha 4-stroke motor oil

GApply water resistant grease

(Yamaha grease A, Yamaha marine

grease)

HApply Yamaha grease D

IApply molybdenum disufied oil

Symbols Jto Oin an exploded diagram

indicate the grade of the sealing or locking

agent and the location of the application

point.

JApply Gasket Maker®

KApply Yamabond #4

(Yamaha bond number 4)

LApply LOCTITE®No.271 (Red LOCTITE)

MApply LOCTITE®No.242 (Red LOCTITE)

NApply LOCTITE®No.572

OApply silicon sealant

0AB

CDE

FGH

JKL

MNO

CONTENTS

GENERAL INFORMATION

SPECIFICATIONS

PERIODIC CHECK AND

ADJUSTMENT

FUEL SYSTEM

POWER UNIT

LOWER UNIT

BRACKET UNIT

ELECTRICAL SYSTEM

TROUBLE ANALYSIS

CHAPTER 1

GENERAL INFORMATION

IDENTIFICATION...............................................................................................1-1

SERIAL NUMBER .......................................................................................1-1

STARTING SERIAL NUMBERS .................................................................1-1

SAFETY WHILE WORKING ..............................................................................1-2

FIRE PREVENTION .....................................................................................1-2

VENTILATION.............................................................................................1-2

SELF-PROTECTION ....................................................................................1-2

OILS, GREASES AND SEALING FLUIDS..................................................1-2

GOOD WORKING PRACTICES ..................................................................1-3

DISASSEMBLY AND ASSEMBLY .............................................................1-4

SPECIAL TOOLS ...............................................................................................1-5

MEASURING ..............................................................................................1-5

REMOVING AND INSTALLING .................................................................1-7

1-1

IDENTIFICATION

SERIAL NUMBER

The outboard motor’s serial number is

stamped on a label which is attached to the

port clamp bracket.

NOTE:

As an antitheft measure, a special label on

which the outboard motor’s serial number

is stamped is bonded to the port clamp

bracket. The label is specially treated so

that peeling it off causes cracks across the

serial number.

STARTING SERIAL NUMBERS

The starting serial number blocks are as

follows:

1Model name

2Approval model code

3Transom height

4Serial number

Model name Applicable

model

code

Starting

serial

number

World

wide

USA,

Canada

F6AMH F6MH 68R S:000101-

L:300101-

F8CMH F8MH 68T S:000101-

L:300101-

1-2

SAFETY WHILE WORKING

The procedures given in this manual are

those recommended by Yamaha to be

followed by Yamaha dealers and their

mechanics.

FIRE PREVENTION

Gasoline (petrol) is highly flammable.

Petroleum vapor is explosive if ignited.

Do not smoke while handling gasoline and

keep it away from heat, sparks and open

flames.

VENTILATION

Petroleum vapor is heavier than air and is

deadly if inhaled in large quantities. Engine

exhaust gases are harmful to breathe.

When test-running an engine indoors,

maintain good ventilation.

SELF-PROTECTION

Protect your eyes with suitable safety

glasses or safety goggles, when grinding

or when doing any operation which may

cause particles to fly off. Protect hands and

feet by wearing safety gloves or protective

shoes if appropriate to the work you are

doing.

OILS, GREASES AND SEALING FLUIDS

Use only genuine Yamaha oils, greases and

sealing fluids or those recommended by

Yamaha.

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