Yamaha F225F User manual

Read this manual carefully before operating this
outboard motor.
OWNER’S MANUAL
F225F
FL225F
F250D
FL250D
F300B
FL300B
F250D1
FL250D1
F300B1
FL300B1
6CE-28199-74-E0
6CE-9-74-1E0.book 1 ページ ２０１４年１２月４日 木曜日 午前９時３０分

EMU25053
Read this manual carefully before operating this outboard motor. Keep this
manual onboard in a waterproof bag when boating. This manual should stay
with the outboard motor if it is sold.
6CE-9-74-1E0.book 1 ページ ２０１４年１２月４日 木曜日 午前９時３０分

Important manual information
EMU25108
To the owner
Thank you for selecting 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.
: This is the safety alert symbol. It is
used to alert you to potential personal injury
hazards. Obey all safety messages that fol-
low this symbol to avoid possible injury or
death.
WARNING
EWM00782
A WARNING indicates a hazardous situa-
tion which, if not avoided, could result in
death or serious injury.
NOTICE
ECM00702
A NOTICE indicates special precautions
that must be taken to avoid damage to the
outboard motor or other property.
TIP:
A TIP provides key information to make pro-
cedures 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 war-
ranty may not apply in certain regions. When
planning to take the product to another coun-
try, consult the dealer where the product 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.
TIP:
The F225FET, FL225FET, F250DET,
FL250DET, F300BET, FL300BET,
F250DET1, FL250DET1, F300BET1,
FL300BET1 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.
6CE-9-74-1E0.book 1 ページ ２０１４年１２月４日 木曜日 午前９時３０分

Important manual information
EMU25122
F225F, FL225F, F250D, FL250D, F300B,
FL300B, F250D1, FL250D1, F300B1, FL300B1
OWNER’S MANUAL
©2014 by Yamaha Motor Co., Ltd.
1st Edition, November 2014
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
Yamaha Motor Co., Ltd.
is expressly prohibited.
Printed in Japan
6CE-9-74-1E0.book 2 ページ ２０１４年１２月４日 木曜日 午前９時３０分

Table of contents
Safety information............................. 1
Outboard motor safety .....................1
Propeller .............................................. 1
Rotating parts ...................................... 1
Hot parts.............................................. 1
Electric shock ...................................... 1
Power trim and tilt................................ 1
Engine shut-off cord (lanyard) ............. 1
Gasoline .............................................. 1
Gasoline exposure and spills .............. 2
Carbon monoxide ................................ 2
Modifications ....................................... 2
Boating safety .................................. 2
Alcohol and drugs................................ 2
Personal flotation devices (PFDs) ....... 2
People in the water.............................. 2
Passengers ......................................... 2
Overloading ......................................... 2
Avoid collisions.................................... 3
Weather............................................... 3
Passenger training .............................. 3
Boating safety publications.................. 3
Laws and regulations .......................... 3
General information .......................... 4
Identification numbers record...........4
Outboard motor serial number ............ 4
Digital electronic control serial
number............................................. 4
Key number ......................................... 5
EC Declaration of Conformity
(DoC) ............................................ 5
CE Marking ..................................... 5
Compliance mark and
manufactured date label................ 6
Read manuals and labels................. 7
Warning labels .................................... 7
Specifications and requirements... 10
Specifications ................................. 10
Installation requirements ................ 12
Boat horsepower rating ..................... 12
Mounting outboard motor .................. 12
Yamaha Security System ................. 12
Digital electronic control
requirements............................... 12
Battery requirements...................... 13
Battery specifications ........................ 13
Mounting battery................................ 13
Multiple batteries ............................... 13
Propeller selection ......................... 13
Counter rotation models .................... 14
Start-in-gear protection .................. 14
Engine oil requirements ................. 14
Fuel requirements .......................... 15
Gasoline ............................................ 15
Anti-fouling paint ............................ 16
Outboard motor disposal
requirements............................... 16
Emergency equipment................... 16
Emission control information.......... 16
Star labels ......................................... 17
Components .................................... 19
Components diagram..................... 19
Remote control transmitter ............... 22
Receiver ........................................... 23
Yamaha Security System lock and
unlock mode .................................. 23
Digital Electronic Control box ............ 24
Digital electronic control-active
indicator ......................................... 24
Digital electronic control-alert
indicator ......................................... 25
Control lever ...................................... 25
Free throttle switch ............................ 25
Throttle friction adjuster..................... 26
Engine shut-off cord (lanyard) and
clip.................................................. 27
Main switch........................................ 28
Start/Stop switch panel...................... 28
All Start/Stop switch panel................. 28
Power trim and tilt switch on digital
electronic control............................ 28
Power trim and tilt switch on bottom
cowling ........................................... 29
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Table of contents
Power trim and tilt switches
(twin type) ...................................... 29
Trim tab with anode........................... 30
Tilt support lever for power trim and
tilt model......................................... 30
Cowling lock lever ............................. 31
Flushing device ................................. 31
Fuel filter............................................ 31
Instruments and indicators ............ 33
6Y9 Multifunction Color Gauge ......33
YAMAHA SECURITY SYSTEM
indicator ........................................ 33
Engine warm-up indicator.................. 33
Engine synchronization indicator....... 33
Overheat alert.................................... 34
Low oil pressure-alert ........................ 34
Water separator alert......................... 35
Low battery voltage-alert ................... 35
Engine trouble alert ........................... 35
6Y8 Multifunction meters................ 36
6Y8 Multifunction tachometers.......36
Yamaha Security System
information .................................... 37
Low oil pressure-alert ........................ 38
Overheat alert.................................... 38
Water separator alert......................... 39
Engine trouble alert ........................... 39
Low battery voltage-alert ................... 40
6Y8 Multifunction speed &
fuel meters .................................. 40
6Y8 Multifunction speedometers....41
6Y8 Multifunction fuel
management meters ................... 42
Optional meters.............................. 42
Engine control system.................... 44
Alert system ................................... 44
Digital Electronic Control alert ........... 44
Overheat alert.................................... 44
Low oil pressure alert ........................ 45
Water separator alert......................... 46
Installation ....................................... 48
Installation...................................... 48
Mounting the outboard motor ............ 48
Operation ......................................... 50
First-time operation ........................ 50
Filling engine oil................................. 50
Breaking in engine............................. 50
Getting to know your boat ................. 50
Checks before starting engine ....... 51
Fuel level ........................................... 51
Removing top cowling ....................... 51
Fuel system ....................................... 51
Controls ............................................. 52
Engine shut-off cord (lanyard) ........... 52
Engine oil........................................... 52
Outboard motor ................................. 53
Flushing device ................................. 53
Installing top cowling ......................... 53
Checking power trim and tilt
system............................................ 55
Battery ............................................... 55
Filling fuel ...................................... 56
Operating engine ........................... 56
Sending fuel ...................................... 56
Starting engine .................................. 56
Checks after starting engine .......... 59
Cooling water .................................... 59
Warming up engine........................ 59
Electric start models .......................... 59
Checks after engine warm up ........ 59
Shifting .............................................. 59
Stop switches .................................... 59
Shifting........................................... 59
Stopping boat................................. 60
Trolling ........................................... 60
Adjusting trolling speed ..................... 60
Stopping engine............................. 61
Procedure for stopping engine .......... 61
Trimming outboard motor............... 62
Adjusting trim angle
(Power trim and tilt)........................ 62
Adjusting boat trim............................. 63
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Table of contents
Tilting up and down ........................ 64
Procedure for tilting up
(power trim and tilt models)............ 64
Procedure for tilting down
(power trim and tilt models)............ 65
Shallow water ................................ 66
Cruising in shallow water................... 66
Operating in other conditions .........67
Maintenance..................................... 68
Transporting and storing outboard
motor ........................................... 68
Storing outboard motor...................... 68
Procedure.......................................... 68
Lubrication......................................... 69
Flushing cooling water passage ........ 69
Checking painted surface of
outboard motor............................... 70
Periodic maintenance..................... 70
Replacement parts ............................ 70
Severe operating conditions.............. 70
Maintenance chart 1.......................... 72
Maintenance chart 2.......................... 74
Greasing............................................ 75
Inspecting spark plug ........................ 76
Inspecting engine idle speed............. 77
Changing engine oil........................... 78
Inspecting wiring and connectors ...... 83
Inspecting propeller ........................... 84
Removing propeller ........................... 84
Installing propeller ............................. 85
Changing gear oil .............................. 86
Inspecting and replacing anode(s) .... 87
Checking battery (for electric start
models) .......................................... 88
Connecting the battery ...................... 89
Disconnecting the battery.................. 90
Storing the battery ............................. 90
Trouble Recovery............................ 91
Troubleshooting ............................. 91
Temporary action in emergency..... 94
Impact damage.................................. 94
Running single engine
(twin engines)................................. 94
Replacing fuse................................... 95
Power trim and tilt unit will not
operate........................................... 96
Water separator-alert indicator
blinks while cruising ....................... 96
Treatment of submerged motor ..... 98
INDEX ............................................... 99
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1
Safety information
EMU33623
Outboard motor safety
Observe these precautions at all times.
EMU36502
Propeller
People can be injured or killed if they come
in contact with the propeller. The propeller
can keep moving even when the motor is in
neutral, and sharp edges of the propeller can
cut even when stationary.
Stop the engine when a person is in the
water near you.
Keep people out of reach of the propeller,
even when the engine is off.
EMU40272
Rotating parts
Hands, feet, hair, jewelry, clothing, personal
flotation device (PFD) straps, etc., can be-
come entangled with internal rotating parts of
the engine, resulting in serious injury or
death.
Keep the top cowling in place whenever pos-
sible. Do not remove or replace the top cowl-
ing with the engine running.
Only operate the engine with the top cowling
removed according to the specific instruc-
tions in the manual. Keep hands, feet, hair,
jewelry, clothing, PFD straps, etc., away
from any exposed moving parts.
EMU33641
Hot parts
During and after operation, engine parts are
hot enough to cause burns. Avoid touching
any parts under the top cowling until the en-
gine has cooled.
EMU33651
Electric shock
Do not touch any electrical parts while start-
ing or operating the engine. They can cause
shock or electrocution.
EMU33661
Power trim and tilt
Body parts can be crushed between the mo-
tor and the clamp bracket when the motor is
trimmed or tilted. Keep body parts out of this
area at all times. Be sure no one is in this
area before operating the power trim and tilt
mechanism.
The power trim and tilt switches operate
even when the main switch is off. Keep peo-
ple be away from the switches whenever
working around the motor.
Never get under the lower unit while it is tilt-
ed, even when the tilt support lever is locked.
Severe injury could occur if the outboard mo-
tor accidentally falls.
EMU41252
Engine shut-off cord (lanyard)
Attach the engine shut-off cord so that the
engine stops if the operator falls overboard
or leaves the helm. This prevents the boat
from running away under power and leaving
people stranded, or running over people or
objects.
Always attach the engine shut-off cord to a
secure place on your clothing or your arm or
leg while operating. Do not remove it to leave
the helm while the boat is moving. Do not at-
tach the engine shut-off cord to clothing that
could tear loose, or route the engine shut-off
cord where it could become entangled, pre-
venting it from functioning.
Do not route the engine shut-off cord where
it is likely to be accidentally pulled out. If the
engine shut-off cord is pulled during opera-
tion, the engine will shut off and you will lose
most steering control. The boat could slow
rapidly, throwing people and objects forward.
EMU33811
Gasoline
Gasoline and its vapors are highly flam-
mable and explosive. Always, refuel ac-
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Safety information
2
cording to the procedure on page 56 to
reduce the risk of fire and explosion.
EMU33821
Gasoline exposure and spills
Take care not to spill gasoline. If gasoline
spills, wipe it up immediately with dry rags.
Dispose of rags properly.
If any gasoline spills onto your skin, immedi-
ately wash with soap and water. Change
clothing if gasoline spills on it.
If you swallow gasoline, inhale a lot of gaso-
line vapor, or get gasoline in your eyes, get
immediate medical attention. Never siphon
fuel by mouth.
EMU33901
Carbon monoxide
This product emits exhaust gases which con-
tain carbon monoxide, a colorless, odorless
gas which may cause brain damage or death
when inhaled. Symptoms include nausea,
dizziness, and drowsiness. Keep cockpit and
cabin areas well ventilated. Avoid blocking
exhaust outlets.
EMU33781
Modifications
Do not attempt to modify this outboard mo-
tor. Modifications to your outboard motor
may reduce safety and reliability, and render
the outboard unsafe or illegal to use.
EMU33741
Boating safety
This section includes a few of the many im-
portant safety precautions that you should
follow when boating.
EMU33711
Alcohol and drugs
Never operate after drinking alcohol or taking
drugs. Intoxication is one of the most com-
mon factors contributing to boating fatalities.
EMU40281
Personal flotation devices (PFDs)
Have an approved PFD on board for every
occupant. Yamaha recommends that you
must wear a PFD whenever boating. At a
minimum, children and non-swimmers
should always wear PFDs, and everyone
should wear PFDs when there are potentially
hazardous boating conditions.
EMU33732
People in the water
Always watch carefully for people in the wa-
ter, such as swimmers, skiers, or divers,
whenever the engine is running. When
someone is in the water near the boat, shift
into neutral and stop the engine.
Stay away from swimming areas. Swimmers
can be hard to see.
The propeller can keep moving even when
the motor is in neutral. Stop the engine when
a person is in the water near you.
EMU33752
Passengers
Consult your boat manufacturer’s instruc-
tions for details about appropriate passenger
locations in your boat and be sure all pas-
sengers are positioned properly before ac-
celerating and when operating above an idle
speed. Standing or sitting in non-designated
locations may result in being thrown either
overboard or within the boat due to waves,
wakes, or sudden changes in speed or direc-
tion. Even when people are positioned prop-
erly, alert your passengers if you must make
any unusual maneuver. Always avoid jump-
ing waves or wakes.
EMU33762
Overloading
Do not overload the boat. Consult the boat
capacity plate or boat manufacturer for max-
imum weight and number of passengers. Be
sure that weight is properly distributed ac-
cording to the boat manufacturer’s instruc-
tions. Overloading or incorrect weight
distribution can compromise the boats han-
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Safety information
3
dling and lead to an accident, capsizing or
swamping.
EMU33773
Avoid collisions
Scan constantly for people, objects, and oth-
er boats. Be alert for conditions that limit your
visibility or block your vision of others.
Operate defensively at safe speeds and
keep a safe distance away from people, ob-
jects, and other boats.
Do not follow directly behind other boats or
waterskiers.
Avoid sharp turns or other maneuvers that
make it hard for others to avoid you or un-
derstand where you are going.
Avoid areas with submerged objects or
shallow water.
Ride within your limits and avoid aggres-
sive maneuvers to reduce the risk of loss
of control, ejection, and collision.
Take early action to avoid collisions. Re-
member, boats do not have brakes, and
stopping the engine or reducing throttle
can reduce the ability to steer. If you are
not sure that you can stop in time before
hitting an obstacle, apply throttle and turn
in another direction.
EMU33791
Weather
Stay informed about the weather. Check
weather forecasts before boating. Avoid
boating in hazardous weather.
EMU33881
Passenger training
Make sure at least one other passenger is
trained to operate the boat in the event of an
emergency.
EMU33891
Boating safety publications
Be informed about boating safety. Additional
publications and information can be obtained
from many boating organizations.
EMU33601
Laws and regulations
Know the marine laws and regulations where
you will be boating- and obey them. Several
sets of rules prevail according to geographic
location, but all are basically the same as the
International Rules of the Road.
ZMU06025
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4
General information
EMU25172
Identification numbers record
EMU25186
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.
EMU34944
Digital electronic control serial
number
The digital electronic control serial number is
stamped on the label attached to the digital
electronic control box.
Record your digital electronic control serial
number in the spaces provided to assist you
in newly connecting the digital electronic
control to the outboard motor.
TIP:
Consult your Yamaha dealer if you have any
questions concerning the digital electronic
control serial number.
1. Outboard motor serial number location
1. Serial number
2. Model name
3. Motor transom height
4. Approved model code
1
ZMU07134
3412
ZMU01692
1. Digital electronic control serial number loca-
tion
ZMU05885
1
ZMU05887
1
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General information
5
EMU41571
Key number
The key identification number is stamped on
the spare key as shown in the illustration.
Keep the spare key in a safe place and re-
cord this number in the space provided for
reference in case that you need a new key.
EMU37292
EC Declaration of Conformity
(DoC)
This outboard motor conforms to certain por-
tions of the European Parliament directive
relating to machinery.
Each conformed outboard motor accompa-
nied with EC DoC.EC DoC contains the fol-
lowing information;
Name of Engine Manufacture
Model name
Product code of model (Approved model
code)
Code of conformed directives
EMU25207
CE Marking
Outboard motors affixed with this “CE”mark-
ing conform with the directives of;
2006/42/EC, 94/25/EC - 2003/44/EC and
2004/108/EC.
1. Serial number
2. Type
3. Approved model code
1. Key number
231
ZMU05917
1
ZMU07133
1. CE marking location
1
ZMU08044
ZMU06040
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General information
6
EMU46132
Compliance mark and
manufactured date label
Engines affixed with this label conform to the
regulations for each country.
This label is affixed to the clamp bracket or
swivel bracket.
Regulatory Compliance Mark (RCM)
Engines affixed with this mark conform to
certain portion(s) of the Australian Radio
Communications Act.
ICES-002 Compliance Label
Engines affixed with this mark meet all re-
quirements of the Canadian Interference
Causing Equipment Regulations.
Manufactured date
The manufactured date is stamped on the la-
bel for the engines that conform to the regu-
lations for U.S. Environmental Protection
Agency (EPA). The models that manufac-
tured exclusively for the Oceanian countries
may not have manufactured date on the la-
bel.
1. Compliance mark and manufactured date
label location
1. Regulatory Compliance Mark (RCM)
1
ZMU08212
ZMU08190
1
1. ICES-002 Compliance Label
1. Manufactured date
ZMU08191
1
ZMU08192
1
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General information
7
EMU33524
Read manuals and labels
Before operating or working on this outboard 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.
EMU33834
Warning labels
If these labels are damaged or missing, contact your Yamaha dealer for replacements.
1
2
3
ZMU07261
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General information
8
EMU34652
Contents of labels
The above warning labels mean as follows.
1
WARNING
EWM01682
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.
2
WARNING
EWM01672
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.
EMU33851
Other labels
12
ZMU06191
3
ZMU05710
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General information
9
EMU35133
Symbols
The following symbols mean as follows.
Notice/Warning
Read Owner’s Manual
Hazard caused by continuous rotation
Electrical hazard
ZMU05696
ZMU05664
ZMU05665
ZMU05666
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10
Specifications and requirements
EMU40501
Specifications
TIP:
“(SUS)” indicates that the specification is for
the outboard motor when it is equipped with
a stainless steel propeller.
EMU2821V
Dimension and weight:
Overall length:
958 mm (37.7 in)
Overall width:
634 mm (25.0 in)
Overall height X:
1890 mm (74.4 in)
Overall height U:
F225FET 2017 mm (79.4 in)
F250DET 2017 mm (79.4 in)
F250DET1 2017 mm (79.4 in)
F300BET 2017 mm (79.4 in)
F300BET1 2017 mm (79.4 in)
FL250DET 2017 mm (79.4 in)
FL250DET1 2017 mm (79.4 in)
FL300BET 2017 mm (79.4 in)
FL300BET1 2017 mm (79.4 in)
Motor transom height X:
643 mm (25.3 in)
Motor transom height U:
F225FET 770 mm (30.3 in)
F250DET 770 mm (30.3 in)
F250DET1 770 mm (30.3 in)
F300BET 770 mm (30.3 in)
F300BET1 770 mm (30.3 in)
FL250DET 770 mm (30.3 in)
FL250DET1 770 mm (30.3 in)
FL300BET 770 mm (30.3 in)
FL300BET1 770 mm (30.3 in)
Dry weight (SUS) X:
260 kg (573 lb)
Dry weight (SUS) U:
F225FET 268 kg (591 lb)
F250DET 268 kg (591 lb)
F250DET1 268 kg (591 lb)
F300BET 268 kg (591 lb)
F300BET1 268 kg (591 lb)
FL250DET 268 kg (591 lb)
FL250DET1 268 kg (591 lb)
FL300BET 268 kg (591 lb)
FL300BET1 268 kg (591 lb)
Performance:
Full throttle operating range:
5000–6000 r/min
Rated power:
F225FET 165.5 kW (225 HP)
F250DET 183.8 kW (250 HP)
F250DET1 183.8 kW (250 HP)
F300BET 220.6 kW (300 HP)
F300BET1 220.6 kW (300 HP)
FL225FET 165.5 kW (225 HP)
FL250DET 183.8 kW (250 HP)
FL250DET1 183.8 kW (250 HP)
FL300BET 220.6 kW (300 HP)
FL300BET1 220.6 kW (300 HP)
Idle speed (in neutral):
650–750 r/min
Power unit:
Type:
4-stroke DOHC V6 24 valves
Total displacement:
4169 cm3(254.4 c.i.)
Bore stroke:
96.0 96.0 mm (3.78 3.78 in)
Ignition system:
TCI
Spark plug (NGK):
LFR6A-11
Spark plug gap:
1.0–1.1 mm (0.039–0.043 in)
Steering system:
Remote steering
Starting system:
Electric starter
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Specifications and requirements
11
Starting carburetion system:
Fuel injection
Valve clearance IN (cold engine):
0.17–0.24 mm (0.0067–0.0094 in)
Valve clearance EX (cold engine):
0.31–0.38 mm (0.0122–0.0150 in)
Battery rating (CCA/EN):
640–1080 A
Battery rating (20HR/IEC):
80 Ah
Maximum generator output:
70 A
Lower unit:
Gear shift positions:
Forward-neutral-reverse
Gear ratio:
1.75 (21/12)
Trim and tilt system:
Power trim and tilt
Propeller mark:
F225FET M/T
F250DET M/T
F250DET1 M/T
F300BET M/T
F300BET1 M/T
FL225FET ML/TL
FL250DET ML/TL
FL250DET1 ML/TL
FL300BET ML/TL
FL300BET1 ML/TL
Fuel and oil:
Recommended fuel:
F225FET Regular unleaded gasoline
F250DET Regular unleaded gasoline
F250DET1 Regular unleaded gaso-
line
F300BET Premium unleaded gaso-
line
F300BET1 Premium unleaded gaso-
line
FL225FET Regular unleaded gaso-
line
FL250DET Regular unleaded gaso-
line
FL250DET1 Regular unleaded gaso-
line
FL300BET Premium unleaded gaso-
line
FL300BET1 Premium unleaded gas-
oline
Min. research octane number (RON):
F225FET 90
F250DET 90
F250DET1 90
F300BET 94
F300BET1 94
FL225FET 90
FL250DET 90
FL250DET1 90
FL300BET 94
FL300BET1 94
Recommended engine oil:
YAMALUBE 4 or 4-stroke outboard
motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Engine oil quantity (without oil filter re-
placement):
6.0 L (6.34 US qt, 5.28 Imp.qt)
Engine oil quantity (with oil filter replace-
ment):
6.3 L (6.66 US qt, 5.54 Imp.qt)
Lubrication system:
Wet sump
Recommended gear oil:
YAMALUBE outboard gear oil or Hy-
poid gear oil
Recommended gear oil grade:
SAE 80W API GL-5 /
SAE 90 API GL-5
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Specifications and requirements
12
Gear oil quantity:
1.040 L (1.099 US qt, 0.915 Imp.qt)
Tightening torque:
Spark plug:
28 Nm (2.86 kgf-m, 20.7 ft-lb)
Propeller nut:
54 Nm (5.51 kgf-m, 39.8 ft-lb)
Engine oil drain bolt:
27 Nm (2.75 kgf-m, 19.9 ft-lb)
Engine oil filter:
18 Nm (1.84 kgf-m, 13.3 ft-lb)
Noise and vibration level:
Operator sound pressure level (ICOMIA
39/94):
79.6 dB(A)
EMU33555
Installation requirements
EMU40481
Boat horsepower rating
WARNING
EWM01561
Overpowering a boat can cause severe
instability.
Before mounting the outboard motor, check
that the horsepower of the outboard motor
does not exceed the maximum horsepower
rating on the capacity plate of the boat. If the
boat does not have a capacity plate, consult
the boat manufacturer.
EMU40491
Mounting outboard motor
WARNING
EWM02501
Improper mounting of the outboard mo-
tor could result in hazardous condi-
tions such as poor handling, loss of
control, or fire hazards.
Because the outboard motor is very
heavy, special equipment and training
is required to mount it safely.
Your dealer or other person experienced in
proper rigging should mount the outboard
motor using correct equipment and complete
rigging instructions. For further information,
see page 48.
EMU38582
Yamaha Security System
NOTICE
ECM02461
The Yamaha Security System is sold in
conformity with the relevant laws and
regulations regarding radio wave trans-
mission. Therefore, if this product is used
outside the country where it was sold, it
may violate the laws or regulations re-
garding radio wave transmission in the
country it is used in. For details, consult
your Yamaha dealer.
This outboard motor is equipped with the
Yamaha Security System to protect against
theft, which consists of the receiver and re-
mote control transmitter. The engine can not
be started if the security system is in the lock
mode, and only be started in the unlock
mode. Consult your Yamaha dealer for in-
stallation of the receiver.
EMU34954
Digital electronic control
requirements
The digital electronic control is equipped with
a start-in-gear protection device(s). This de-
vice prevents the engine from starting unless
ZMU07305
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Specifications and requirements
13
it is in neutral.
WARNING
EWM01581
If the engine starts in gear, the boat can
move suddenly and unexpectedly, pos-
sibly causing a collision or throwing
passengers overboard.
If the engine ever starts in gear, the
start-in-gear protection device is not
working correctly and you should dis-
continue using the outboard. Contact
your Yamaha dealer.
This digital electronic control unit is only
available for the outboard motor which you
have purchased.
Prior to use of the digital electronic control
unit, set it in order to operate your outboard
motor only. Otherwise, it will not be possible
to operate the outboard motor.
Perform setting of the outboard motor and
the digital electronic control unit in the follow-
ing cases.
If a used outboard motor is installed
If the digital electronic control unit is re-
placed
If the ECM (Electronic control module) of
the used outboard motor is replaced
If the ECM (Electronic control module) of
the digital electronic control unit is re-
placed
Consult your Yamaha dealer for setting.
EMU25695
Battery requirements
EMU25723
Battery specifications
The engine cannot be started if battery volt-
age is too low.
EMU36291
Mounting battery
Mount the battery holder securely in a dry,
well-ventilated, vibration-free location in the
boat. WARNING! Do not put flammable
items, or loose heavy or metal objects in
the same compartment as the battery.
Fire, explosion or sparks could result.
[EWM01821]
EMU36301
Multiple batteries
To connect multiple batteries, such as for
multiple engine configurations or for an ac-
cessory battery, consult your Yamaha dealer
about battery selection and correct wiring.
EMU41603
Propeller selection
Next to selecting an outboard motor, select-
ing the right propeller is one of the most im-
portant purchasing decisions a boater can
make. The type, size, and design of your pro-
peller have a direct impact on acceleration,
top speed, fuel economy, and even engine
life. Yamaha designs and manufactures pro-
pellers for every Yamaha outboard motor
and every application.
Your Yamaha dealer can help you select the
right propeller for your boating needs. Select
a propeller that will allow the engine to reach
the middle or upper half of the operating
range at full throttle with the maximum boat-
load. Generally, select a larger pitch propel-
ler for a smaller operating load and a smaller
pitch propeller for a heavier load. If you carry
loads that vary widely, select the propeller
that lets the engine run in the proper range
for your maximum load but remember that
you may need to reduce your throttle setting
to stay within the recommended engine
speed range when carrying lighter loads.
Yamaha recommends to use a propeller suit-
Battery rating (CCA/EN):
640–1080 A
Battery rating (20HR/IEC):
80 Ah
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