Yamaha F4A User manual

OWNER’S MANUAL
F4A
68D-F8199-77-E0

EMU25051
Read this owner’s manual carefully before operating or working on your
outboard motor. Keep this manual onboard in a waterproof bag when
boating. This manual should stay with the outboard motor if it is sold.

Important manual information
EMU25103
To the owner
Thank you for choosing a Yamaha outboard
motor. This Owner’s Manual contains infor-
mation needed for proper operation, mainte-
nance and care. A thorough understanding
of these simple instructions will help you ob-
tain maximum enjoyment from your new
Yamaha. If you have any question about the
operation or maintenance of your outboard
motor, please consult a Yamaha dealer.
In this Owner’s Manual particularly important
information is distinguished in the following
ways.
The Safety Alert Symbol means
ATTENTION! BECOME ALERT! YOUR
SAFETY IS INVOLVED!
WARNING
EWM00780
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 out-
board motor.
CAUTION:
ECM00700
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.
Yamaha continually seeks advancements in
product design and quality. Therefore, while
this manual contains the most current prod-
uct information available at the time of print-
ing, there may be minor discrepancies
between your machine and this manual. If
there is any question concerning this manu-
al, please consult your Yamaha dealer.
To ensure long product life, Yamaha recom-
mends that you use the product and perform
the specified periodic inspections and main-
tenance by correctly following the instruc-
tions in the owner’s manual. Any damage
resulting from neglect of these instructions is
not covered by warranty.
Some countries have laws or regulations re-
stricting users from taking the product out of
the country where it was purchased, and it
may be impossible to register the product in
the destination country. Additionally, the
warranty may not apply in certain regions.
When planning to take the product to another
country, consult the dealer where the prod-
uct was purchased for further information.
If the product was purchased used, please
consult your closest dealer for customer re-
registration, and to be eligible for the speci-
fied services.
NOTE:
The F4AMH and the standard accessories
are used as a base for the explanations and
illustrations in this manual. Therefore some
items may not apply to every model.
EMU25141
F4A
OWNER’S MANUAL
©2007 by Yamaha Motor Co., Ltd.
1st Edition, April 2007
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in France

Table of contents
General information .......................... 1
Identification numbers record.......... 1
Outboard motor serial number .......... 1
EC label........................................... 1
Emission control information ........... 1
SAV models ...................................... 1
Read manuals and labels................ 3
Warning labels .................................. 3
Safety information............................. 6
Safety information ........................... 6
Rotating parts.................................... 6
Hot parts ........................................... 6
Electric shock.................................... 6
Engine shut-off cord.......................... 6
Gasoline............................................ 6
Gasoline exposure and spills ............ 6
Carbon monoxide.............................. 6
Modifications ..................................... 6
Boating safety ................................. 7
Alcohol and drugs ............................. 7
Personal flotation devices ................. 7
People in the water ........................... 7
Passengers ....................................... 7
Overloading....................................... 7
Avoid collisions ................................. 7
Weather ............................................ 8
Passenger training ............................ 8
Boating safety publications ............... 8
Laws and regulations ........................ 8
Basic requirements ........................... 9
Fueling instructions ......................... 9
Gasoline............................................ 9
Engine oil .......................................... 9
Installation requirements ............... 10
Boat horsepower rating................... 10
Mounting motor ............................... 10
Propeller selection .......................... 10
Start-in-gear protection ................. 11
Basic components .......................... 12
Main components.......................... 12
Fuel tank ......................................... 12
Fuel tank ......................................... 13
Fuel joint ......................................... 13
Fuel gauge ...................................... 13
Fuel tank cap................................... 13
Air vent screw.................................. 13
Fuel cock ......................................... 13
Open ............................................... 14
Tiller handle..................................... 14
Gear shift lever................................ 14
Throttle grip ..................................... 15
Throttle indicator ............................. 15
Throttle friction adjuster................... 15
Engine shut-off switch ..................... 16
Engine stop button .......................... 16
Choke knob for pull type .................16
Manual starter handle .....................16
Steering friction adjuster .................17
Trim rod (tilt pin) .............................. 17
Tilt lock mechanism......................... 17
Tilt support bar ................................ 17
Top cowling lock lever (pull up
type) .............................................. 18
Carrying handle ............................... 18
Operation ......................................... 19
Installation..................................... 19
Mounting the outboard motor .......... 19
Clamping the outboard motor.......... 20
Breaking in engine ........................ 21
Procedure for 4-stroke models........ 21
Pre-operation checks.................... 22
Fuel ................................................. 22
Controls ........................................... 22
Stop switches .................................. 22
Engine ............................................. 22
Checking the engine oil level ..........22
Filling fuel...................................... 23
Operating engine .......................... 23
Feeding fuel .................................... 23
Starting engine ................................ 25
Warming up engine....................... 26
Warming up (Manual start
models) ......................................... 26
Shifting.......................................... 27
Stopping boat................................ 28
Stopping engine............................ 28
Procedure........................................ 28
Trimming outboard motor.............. 29
Adjusting trim angle for manual tilt

Table of contents
models .......................................... 29
Adjusting boat trim .......................... 30
Tilting up and down ....................... 31
Procedure for tilting up (manual tilt
models) ......................................... 32
Procedure for tilting down (manual
tilt models) .................................... 33
Cruising in shallow water .............. 33
Cruising in shallow water (manual
tilt models) .................................... 34
Cruising in other conditions........... 35
Maintenance..................................... 36
Specifications ................................ 36
Transporting and storing outboard
motor ........................................... 37
Clamp screw mounting models....... 37
Storing outboard motor ................... 38
Procedure ....................................... 38
Lubrication ...................................... 40
Cleaning the outboard motor .......... 40
Checking painted surface of
motor............................................. 41
Periodic maintenance.................... 41
Replacement parts.......................... 41
Severe operating conditions ........... 41
Maintenance chart 1 ....................... 42
Maintenance chart 2 ....................... 44
Greasing ......................................... 45
Cleaning and adjusting spark
plug ............................................... 45
Checking fuel system...................... 46
Checking fuel filter .......................... 47
Inspecting idling speed ................... 47
Changing engine oil ........................ 47
Checking wiring and connectors ..... 49
Exhaust leakage ............................. 49
Water leakage................................. 49
Engine oil leakage........................... 49
Checking propeller .......................... 49
Removing propeller......................... 50
Installing propeller........................... 50
Changing gear oil............................ 51
Cleaning fuel tank ........................... 52
Inspecting and replacing
anode(s)........................................ 52
Checking top cowling ...................... 53
Coating the boat bottom.................. 53
Trouble Recovery............................ 54
Troubleshooting ............................ 54
Temporary action in emergency ... 57
Impact damage ............................... 57
Starter will not operate .................... 57
Emergency starting engine .............58
Treatment of submerged motor .... 59
Procedure........................................ 59

1
General information
EMU25171
Identification numbers record
EMU25183
Outboard motor serial number
The outboard motor serial number is
stamped on the label attached to the port
side of the clamp bracket.
Record your outboard motor serial number in
the spaces provided to assist you in ordering
spare parts from your Yamaha dealer or for
reference in case your outboard motor is sto-
len.
EMU25202
EC label
Engines affixed with this label conform to
certain portions of the European Parliament
directive relating to machinery. Refer to the
label and the EC Declaration of Conformity
for more details.
EMU25221
Emission control information
EMU25351
SAV models
Engines affixed with the label pictured below
conform to SAV (the Swiss exhaust emission
regulations for Swiss inshore waters).
Approval label of emission control certif-
1. Outboard motor serial number location
1. EC label location
ZMU02651
1
ZMU01696

General information
2
icate
Fuel requirement label
1. Approval label location
1. Fuel requirement label location
1
ZMU04493
YAMAHA MOTOR CO.,LTD.
Motorfamilie
Abgastypenpruf-
Nummer
ZMU04492
1
ZMU04495
ZMU04494

General information
3
EMU33520
Read manuals and labels
Before operating or working on this motor:
●
Read this manual.
●
Read any manuals supplied with the boat.
● Read all labels on the outboard motor and the boat.
If you need any additional information, contact your Yamaha dealer.
EMU33831
Warning labels
If these labels are damaged or missing, contact your Yamaha dealer for replacements.
1
3
4
1
2
ZMU05919

General information
4
EMU35280
Contents of labels
The above warning labels mean as follows.
1
WARNING
EWM01690
Emergency starting does not have start-
in-gear protection. Ensure shift control is
in neutral before starting engine.
2
WARNING
EWM01680
● Keep hands, hair, and clothing away
from rotating parts while the engine is
running.
● Do not touch or remove electrical parts
when starting or during operation.
3
WARNING
EWM01670
●
Read Owner’s Manuals and labels.
●
Wear an approved personal flotation
device (PFD).
●
Attach engine shut-off cord (lanyard) to
your PFD, arm, or leg so the engine
stops if you accidentally leave the
helm, which could prevent a runaway
boat.
4
WARNING
EWM01700
Gasoline is highly flammable and explo-
ZMU05920
12
34

General information
5
sive. Shut off engine before refueling.
Tighten tank cap and air vent screw when
not in use.
EMU33841
Symbols
The following symbols mean as follows.
Caution/Warning
Read Operator’s Manual
Hazard caused by continuous rotation
Electrical hazard
Remote control lever/gear shift lever operat-
ing direction, dual direction
Engine start/ Engine cranking
ZMU05696
ZMU05664
ZMU05665
ZMU05666
ZMU05667
ZMU05668