Yamaha 15F Owner's manual

Brand: Yamaha

Model: 15F

Category: Engine

Type: Owner's manual

This manual is also suitable for

9.9F

Read this manual carefully before operating this

outboard motor.

OWNER’S MANUAL

9.9F

15F

63V-28199-2D-E0

U63V2DE0.book Page 1 Monday, February 22, 2010 9:00 AM

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.

U63V2DE0.book Page 1 Monday, February 22, 2010 9:00 AM

Important manual information

EMU25107

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 obtain

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 haz-

ards. Obey all safety messages that follow

this symbol to avoid possible injury or death.

WARNING

EWM00781

A WARNING indicates a hazardous situa-

tion which, if not avoided, could result in

death or serious injury.

NOTICE

ECM00701

A NOTICE indicates special precautions

that must be taken to avoid damage to the

outboard motor or other property.

IP:

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 product

information available at the time of printing,

there may be minor discrepancies between

your machine and this manual. If there is any

question concerning this manual, please con-

sult your Yamaha dealer.

To ensure long product life, Yamaha recom-

mends that you use the product and perform

the specified periodic inspections and mainte-

nance by correctly following the instructions in

the owner’s manual. Any damage resulting

from neglect of these instructions is not cov-

ered 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 specified

services.

IP:

The 9.9FMH, 15FMH and the standard ac-

cessories are used as a base for the explana-

tions and illustrations in this manual.

Therefore some items may not apply to every

model.

EMU25121

9.9F, 15F

OWNER’S MANUAL

1st Edition, February 2010

Any reprinting or unauthorized use

without the written permission of

Yamaha Motor Co., Ltd.

is expressly prohibited.

Printed in Japan

U63V2DE0.book Page 1 Monday, February 22, 2010 9:00 AM

Table of contents

Safety information............................. 1

Outboard motor safety .................... 1

Propeller ............................................. 1

Rotating parts..................................... 1

Hot parts............................................. 1

Electric shock ..................................... 1

Engine shut-off cord (lanyard) ............ 1

Gasoline ............................................. 1

Gasoline exposure and spills ............. 1

Carbon monoxide ............................... 1

Modifications ...................................... 2

Boating safety ................................. 2

Alcohol and drugs............................... 2

Personal flotation devices .................. 2

People in the water............................. 2

Passengers ........................................ 2

Overloading ........................................ 2

Avoid collisions................................... 2

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

C-Tick label ..................................... 4

Read manuals and labels................ 5

Warning labels.................................... 5

Specifications and requirements..... 8

Specifications .................................. 8

Installation requirements ................. 9

Boat horsepower rating ...................... 9

Mounting motor .................................. 9

Battery requirements....................... 9

Without a rectifier or

Rectifier Regulator .......................... 9

Propeller selection........................... 9

Start-in-gear protection ................. 10

Engine oil requirements ................ 10

Fuel requirements ......................... 10

Gasoline ........................................... 10

Muddy or acidic water ................... 10

Anti-fouling paint ........................... 11

Motor disposal requirements......... 11

Emergency equipment.................. 11

Components .................................... 12

Components diagram.................... 12

Fuel tank........................................... 12

Fuel joint........................................... 13

Fuel gauge ....................................... 13

Fuel tank cap.................................... 13

Air vent screw................................... 13

Tiller handle ...................................... 13

Gear shift lever ................................. 13

Throttle grip ...................................... 13

Throttle indicator............................... 14

Throttle friction adjuster .................... 14

Engine shut-off cord (lanyard) and

clip................................................. 14

Engine stop button ........................... 15

Choke knob ...................................... 15

Manual starter handle....................... 15

Steering friction adjuster................... 15

Trim rod (tilt pin) ............................... 16

Tilt lock mechanism .......................... 16

Tilt support bar ................................. 16

Cowling lock lever(s) (turn type)....... 17

Carrying handle ................................ 17

2-pin connector................................. 17

Battery charging information ............ 18

Installation ....................................... 19

Installation..................................... 19

Mounting the outboard motor ........... 19

Clamping the outboard motor........... 20

Operation ......................................... 22

First-time operation ....................... 22

Breaking in engine............................ 22

Getting to know your boat ................ 22

Checks before starting engine ...... 22

Fuel level .......................................... 22

Remove the top cowling ................... 23

Fuel system ...................................... 23

Controls ............................................ 23

Engine shut-off cord (lanyard) .......... 23

Oil ..................................................... 24

U63V2DE0.book Page 1 Monday, February 22, 2010 9:00 AM

Table of contents

Engine .............................................. 24

Install top cowling............................. 24

Filling fuel and engine oil............... 24

Filling fuel for portable tank .............. 24

Gasoline and oil mixing (100:1)........ 25

Operating engine........................... 26

Sending fuel (portable tank) ............. 27

Starting engine ................................. 27

Checks after starting engine ......... 29

Cooling water ................................... 29

Warming up engine ....................... 29

Choke start models .......................... 29

Checks after engine warm up ....... 29

Shifting ............................................. 29

Stop switches ................................... 29

Shifting .......................................... 30

Stopping boat ................................ 31

Stopping engine ............................ 31

Procedure......................................... 31

Trimming outboard motor .............. 31

Adjusting trim angle for manual tilt

models .......................................... 32

Adjusting boat trim............................ 32

Tilting up and down ....................... 33

Procedure for tilting up

(manual tilt models)....................... 34

Procedure for tilting down

(manual tilt models)....................... 34

Shallow water................................ 35

Cruising in shallow water

(manual tilt models)....................... 35

Cruising in other conditions ........... 36

Maintenance..................................... 37

Transporting and storing outboard

motor .......................................... 37

Clamp screw mounting models ........ 37

Storing outboard motor..................... 38

Procedure......................................... 38

Lubrication........................................ 39

Cleaning the outboard motor............ 39

Checking painted surface of

outboard motor.............................. 39

Periodic maintenance ................... 39

Replacement parts ........................... 40

Severe operating conditions............. 40

Maintenance chart 1......................... 41

Maintenance chart 2......................... 42

Greasing ........................................... 43

Cleaning and adjusting spark plug ... 44

Checking fuel filter ............................ 44

Inspecting idle speed........................ 44

Inspecting wiring and connectors ..... 45

Checking propeller ........................... 45

Removing propeller .......................... 46

Installing propeller ............................ 46

Changing gear oil ............................. 47

Cleaning fuel tank............................. 48

Inspecting and replacing anode(s) ... 49

Trouble Recovery............................ 50

Troubleshooting ............................ 50

Temporary action in emergency ... 53

Impact damage................................. 53

Starter will not operate ..................... 53

Emergency starting engine............... 54

Treatment of submerged motor .... 55

U63V2DE0.book Page 2 Monday, February 22, 2010 9:00 AM

Safety information

EMU33622

Outboard motor safety

Observe these precautions at all times.

EMU36501

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 neu-

tral, and sharp edges of the propeller can cut

even when stationary.

● Stop the engine when a person is in the wa-

ter near you.

● Keep people out of reach of the propeller,

even when the engine is off.

EMU33630

Rotating parts

Hands, feet, hair, jewelry, clothing, PFD

straps, etc. can become entangled with inter-

nal rotating parts of the engine, resulting in se-

rious injury or death.

Keep the top cowling in place whenever pos-

sible. Do not remove or replace the cowling

with the engine running.

Only operate the engine with the cowling re-

moved according to the specific instructions in

the manual. Keep hands, feet, hair, jewelry,

clothing, PFD straps, etc. away from any ex-

posed moving parts.

EMU33640

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.

EMU33650

Electric shock

Do not touch any electrical parts while starting

or operating the engine. They can cause

shock or electrocution.

EMU33671

Engine shut-off cord (lanyard)

Attach the engine shut-off cord so that the en-

gine stops if the operator falls overboard or

leaves the helm. This prevents the boat from

running away under power and leaving peo-

ple stranded, or running over people or ob-

jects.

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 cord to clothing that could tear loose,

or route the cord where it could become en-

tangled, preventing it from functioning.

Do not route the cord where it is likely to be

accidentally pulled out. If the cord is pulled

during operation, the engine will shut off and

you will lose most steering control. The boat

could slow rapidly, throwing people and ob-

jects forward.

EMU33810

Gasoline

Gasoline and its vapors are highly flam-

mable and explosive. Always, refuel accord-

ing to the procedure on page 26 to reduce the

risk of fire and explosion.

EMU33820

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.

EMU33900

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 ex-

haust outlets.

U63V2DE0.book Page 1 Monday, February 22, 2010 9:00 AM

Safety information

EMU33780

Modifications

Do not attempt to modify this outboard motor.

Modifications to your outboard motor may re-

duce safety and reliability, and render the out-

board unsafe or illegal to use.

EMU33740

Boating safety

This section includes a few of the many im-

portant safety precautions that you should fol-

low when boating.

EMU33710

Alcohol and drugs

Never operate after drinking alcohol or taking

drugs. Intoxication is one of the most common

factors contributing to boating fatalities.

EMU33720

Personal flotation devices

Have an approved personal flotation device

(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 condi-

tions.

EMU33731

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 some-

one 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.

EMU33751

Passengers

Consult your boat manufacturer’s instructions

for details about appropriate passenger loca-

tions in your boat and be sure all passengers

are positioned properly before accelerating

and when operating above an idle speed.

Standing or sitting in non-designated loca-

tions may result in being thrown either over-

board or within the boat due to waves, wakes,

or sudden changes in speed or direction.

Even when people are positioned properly,

alert your passengers if you must make any

unusual maneuver. Always avoid jumping

waves or wakes.

EMU33760

Overloading

Do not overload the boat. Consult the boat ca-

pacity plate or boat manufacturer for maxi-

mum weight and number of passengers. Be

sure that weight is properly distributed ac-

cording to the boat manufacturers instruc-

tions. Overloading or incorrect weight

distribution can compromise the boats han-

dling and lead to an accident, capsizing or

swamping.

EMU33772

Avoid collisions

Scan constantly for people, objects, and other

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, objects,

and other boats.

● Do not follow directly behind other boats or

waterskiers.

ZMU06025

U63V2DE0.book Page 2 Monday, February 22, 2010 9:00 AM

Safety information

● 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 aggressive

maneuvers to reduce the risk of loss of con-

trol, 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 anoth-

er direction.

EMU33790

Weather

Stay informed about the weather. Check

weather forecasts before boating. Avoid boat-

ing in hazardous weather.

EMU33880

Passenger training

Make sure at least one other passenger is

trained to operate the boat in the event of an

emergency.

EMU33890

Boating safety publications

Be informed about boating safety. Additional

publications and information can be obtained

from many boating organizations.

EMU33600

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.

U63V2DE0.book Page 3 Monday, February 22, 2010 9:00 AM

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.

EMU25213

C-Tick label

Engines affixed with this label conform to cer-

tain portion(s) of the Australian Radio Com-

munications Act.

1. Outboard motor serial number location

1. C-Tick label location

ZMU01697

U63V2DE0.book Page 4 Monday, February 22, 2010 9:00 AM

General information

EMU33522

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.

EMU33832

Warning labels

If these labels are damaged or missing, contact your Yamaha dealer for replacements.

9.9F, 15F

ZMU06037

U63V2DE0.book Page 5 Monday, February 22, 2010 9:00 AM

General information

EMU33912

Contents of labels

The above warning labels mean as follows.

WARNING

EWM01691

Emergency starting does not have start-

in-gear protection. Ensure shift control is

in neutral before starting engine.

WARNING

EWM01681

● 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.

WARNING

EWM01671

● Read Owner’s Manuals and labels.

● Wear an approved personal flotation de-

vice (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.

ZMU05697

U63V2DE0.book Page 6 Monday, February 22, 2010 9:00 AM

General information

EMU33843

Symbols

The following symbols mean as follows.

Notice/Warning

Read Owner’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

U63V2DE0.book Page 7 Monday, February 22, 2010 9:00 AM

Specifications and requirements

EMU31480

Specifications

IP:

“(AL)” stated in the specification data below

represents the numerical value for the alumi-

num propeller installed.

Likewise, “(SUS)” represents the value for

stainless steel propeller installed and “(PL)”

for plastic propeller installed.

EMU2821J

Dimension:

Overall length:

873 mm (34.4 in)

Overall width:

332 mm (13.1 in)

Overall height S:

1040 mm (40.9 in)

Overall height L:

1167 mm (45.9 in)

Transom height S:

440 mm (17.3 in)

Transom height L:

567 mm (22.3 in)

Weight (AL) S:

36.0 kg (79 lb)

Weight (AL) L:

37.5 kg (83 lb)

Performance:

Full throttle operating range:

4500–5500 r/min

Maximum output:

15FMH 11.0 kW@5000 r/min (15

HP@5000 r/min)

9.9FMH 7.3 kW@5000 r/min (9.9

HP@5000 r/min)

Idle speed (in neutral):

750 ±50 r/min

Engine:

Type:

2-stroke L

Displacement:

246.0 cm³

Bore × stroke:

56.0 × 50.0 mm (2.20 × 1.97 in)

Ignition system:

CDI

Spark plug (NGK):

B7HS-10

BR7HS-10

Spark plug gap:

0.9–1.0 mm (0.035–0.039 in)

Control system:

Tiller handle

Starting system:

Manual starter

Starting carburetion system:

Choke valve

Alternator output:

15FMH 40/80 W

9.9FMH 80 W

Drive unit:

Gear positions:

Forward-neutral-reverse

Gear ratio:

2.08 (27/13)

Trim and tilt system:

Manual tilt

Propeller mark:

Fuel and oil:

Recommended fuel:

Regular unleaded gasoline

Fuel tank capacity:

24.0 L (6.34 US gal, 5.28 Imp.gal)

Recommended engine oil:

YAMALUBE 2-stroke outboard motor oil

Recommended engine oil:

TC-W3

Fuel:oil ratio:

Regular gasoline:

100 :1

U63V2DE0.book Page 8 Monday, February 22, 2010 9:00 AM

Specifications and requirements

Lubrication:

Pre-mixed fuel and oil

Recommended gear oil:

Hypoid gear oil SAE#90

Gear oil quantity:

0.250 L (0.264 US qt, 0.220 Imp.qt)

Tightening torque for engine:

Spark plug:

25.0 Nm (2.55 kgf-m, 18.4 ft-lb)

Propeller nut:

17.0 Nm (1.73 kgf-m, 12.5 ft-lb)

EMU33554

Installation requirements

EMU33564

Boat horsepower rating

WARNING

EWM01560

Overpowering a boat can cause severe in-

stability.

Before installing the outboard motor(s), con-

firm that the total horsepower of your out-

board motor(s) does not exceed the boats

maximum horsepower rating. See the boat’s

capacity plate or contact the manufacturer.

EMU33571

Mounting motor

WARNING

EWM01570

● Improper mounting of the outboard mo-

tor could result in hazardous conditions

such as poor handling, loss of control,

or fire hazards.

● Because the motor is very heavy, spe-

cial equipment and training is required

to mount it safely.

Your dealer or other person experienced in

proper rigging should mount the motor using

correct equipment and complete rigging in-

structions. For further information, see page

19.

EMU25694

Battery requirements

EMU25730

Without a rectifier or Rectifier Regula-

tor

NOTICE

ECM01090

A battery cannot be connected to models

that do not have a rectifier or Rectifier

Regulator.

If you wish to use a battery with the models

without a rectifier or Rectifier Regulator, install

an optional Rectifier Regulator.

Using a maintenance-free battery with the

above models can shorten the life of the bat-

tery significantly.

Install an optional Rectifier Regulator or use

accessories rated to withstand 18 volts or

higher with the above models. Consult your

Yamaha dealer for details on installing an op-

tional Rectifier Regulator.

EMU34194

Propeller selection

Next to selecting an outboard motor, selecting

the right propeller is one of the most important

purchasing decisions a boater can make. The

type, size, and design of your propeller have

a direct impact on acceleration, top speed,

fuel economy, and even engine life. Yamaha

designs and manufactures propellers for ev-

ery Yamaha outboard motor and every appli-

cation.

Your outboard motor came with a Yamaha

propeller selected to perform well over a

range of applications, but there may be uses

where a different propeller would be more ap-

propriate.

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-

U63V2DE0.book Page 9 Monday, February 22, 2010 9:00 AM

Specifications and requirements

load. Generally, select a larger pitch propeller

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.

To check the propeller, see page 45.

EMU25770

Start-in-gear protection

Yamaha outboard motors or Yamaha-ap-

proved remote control units are equipped with

start-in-gear protection device(s). This feature

permits the engine to be started only when it

is in neutral. Always select neutral before

starting the engine.

EMU25651

Engine oil requirements

If the recommended engine oil is not avail-

able, another 2-stroke engine oil with an

NMMA-certified TC-W3 rating may be used.

EMU36360

Fuel requirements

EMU36771

Gasoline

Use a good quality gasoline that meets the

minimum octane rating. If knocking or pinging

occurs, use a different brand of gasoline or

premium unleaded fuel. Yamaha recomends

that you use alcohol-free (see Gasohol) gas-

oline whenever possible.

NOTICE

ECM01981

● Do not use leaded gasoline. Leaded gas-

oline can seriously damage the engine.

● Avoid getting water and contaminants in

the fuel tank. Contaminated fuel can

cause poor performance or engine dam-

age. Use only fresh gasoline that has

been stored in clean containers.

Gasohol

There are two types of gasohol: gasohol con-

taining ethanol (E10) and that containing

methanol. Ethanol can be used if the ethanol

content does not exceed 10% and the fuel

meets the minimum octane ratings. All etha-

nol blends containing more than 10% ethanol

can cause fuel system damage or cause en-

gine starting and running problems. Yamaha

does not recommend gasohol containing

methanol because it can cause fuel system

damage or engine performance problems.

EMU36880

Muddy or acidic water

Yamaha strongly recommends that you have

your dealer install the optional chromium-plat-

ed water pump kit if you use the outboard mo-

tor in muddy or acidic water conditions.

However, depending on the model it might not

be required.

1. Propeller diameter in inches

2. Propeller pitch in inches

3. Type of propeller (propeller mark)

Recommended engine oil:

YAMALUBE 2-stroke outboard motor

oil

ZMU04606

123

Recommended gasoline:

Regular unleaded gasoline

U63V2DE0.book Page 10 Monday, February 22, 2010 9:00 AM

Specifications and requirements

EMU36330

Anti-fouling paint

A clean hull improves boat performance. The

boat bottom should be kept as clean of marine

growth as possible. If necessary, the boat bot-

tom can be coated with an anti-fouling paint

approved for your area to inhibit marine

growth.

Do not use anti-fouling paint which includes

copper or graphite. These paints can cause

more rapid engine corrosion.

EMU36341

Motor disposal requirements

Never illegally discard (dump) the motor.

Yamaha recommends consulting the dealer

about discarding the motor.

EMU36352

Emergency equipment

Keep the following items onboard in case

there is trouble with the outboard motor.

● A tool kit with assorted screwdrivers, pliers,

wrenches (including metric sizes), and

electrical tape.

● Waterproof flashlight with extra batteries.

● An extra engine shut-off cord (lanyard) with

clip.

● Spare parts, such as an extra set of spark

plugs.

Consult your Yamaha dealer for details.

U63V2DE0.book Page 11 Monday, February 22, 2010 9:00 AM

Components

EMU2579T

Components diagram

IP:

* May not be exactly as shown; also may not be included as standard equipment on all models

(order from dealer).

9.9F, 15F

EMU25802

Fuel tank

If your model was equipped with a portable

fuel tank, its function is as follows.

WARNING

EWM00020

The fuel tank supplied with this engine is

its dedicated fuel reservoir and must not

be used as a fuel storage container. Com-

1. Top cowling

2. Cowling lock lever

3. Cooling water pilot hole

4. Tilt lock lever

5. Manual starter handle

6. Gear shift lever

7. Engine stop button/Engine shut-off switch

8. Tiller handle

9. Throttle friction adjuster

10.Clamp screw

11.Carrying handle

12.2-pin connector*

13.Choke knob

14.Restraint cable attachment

15.Clamp bracket

16.Trim rod

17.Anti-cavitation plate

18.Cooling water inlet

19.Propeller

20.Fuel tank

U63V2DE0.book Page 12 Monday, February 22, 2010 9:00 AM

Components

mercial users should conform to relevant

licensing or approval authority regula-

tions.

EMU25830

Fuel joint

This joint is used to connect the fuel line.

EMU25841

Fuel gauge

This gauge is located on either the fuel tank

cap or on the fuel joint base. It shows the ap-

proximate amount of fuel remaining in the

tank.

EMU25850

Fuel tank cap

This cap seals the fuel tank. When removed,

the tank can be filled with fuel. To remove the

cap, turn it counterclockwise.

EMU25860

Air vent screw

This screw is on the fuel tank cap. To loosen

the screw, turn it counterclockwise.

EMU25912

Tiller handle

To change direction, move the tiller handle to

the left or right as necessary.

EMU25923

Gear shift lever

Move the gear shift lever forward to engage

the forward gear or rearward to engage the

reverse gear.

EMU25941

Throttle grip

The throttle grip is on the tiller handle. Turn

the grip counterclockwise to increase speed

and clockwise to decrease speed.

1. Fuel joint

2. Fuel gauge

3. Fuel tank cap

4. Air vent screw

ZMU02284

1. Forward “”

2. Neutral “”

3. Reverse “”

U63V2DE0.book Page 13 Monday, February 22, 2010 9:00 AM

Components

EMU25961

Throttle indicator

The fuel consumption curve on the throttle in-

dicator shows the relative amount of fuel con-

sumed for each throttle position. Choose the

setting that offers the best performance and

fuel economy for the desired operation.

EMU25976

Throttle friction adjuster

A friction device provides adjustable resis-

tance to movement of the throttle grip or the

remote control lever, and can be set accord-

ing to operator preference.

To increase resistance, turn the adjuster

clockwise. To decrease resistance, turn the

adjuster counterclockwise. WARNING! Do

not overtighten the friction adjuster. If

there is too much resistance, it could be

difficult to move the remote control lever

or throttle grip, which could result in an

accident.

[EWM00032]

When constant speed is desired, tighten the

adjuster to maintain the desired throttle set-

ting.

EMU25994

Engine shut-off cord (lanyard) and

clip

The clip must be attached to the engine shut-

off switch for the engine to run. The cord

should be attached to a secure place on the

operator’s clothing, or arm or leg. Should the

operator fall overboard or leave the helm, the

cord will pull out the clip, stopping ignition to

the engine. This will prevent the boat from

running away under power. WARNING! At-

tach the engine shut-off cord to a secure

place on your clothing, or your arm or leg

while operating. Do not attach the cord to

clothing that could tear loose. Do not route

the cord where it could become entangled,

preventing it from functioning. Avoid acci-

dentally pulling the cord during normal

operation. Loss of engine power means

the loss of most steering control. Also,

without engine power, the boat could slow

rapidly. This could cause people and ob-

jects in the boat to be thrown forward.

[EWM00122]

1. Throttle indicator

U63V2DE0.book Page 14 Monday, February 22, 2010 9:00 AM

Components

EMU26002

Engine stop button

The engine stop button stops the engine

when the button is pushed.

EMU26030

Choke knob

To supply the engine with the rich fuel mixture

required to start, pull out this knob. The choke

knob has the 4 operating positions shown in

the following illustration.

EMU26073

Manual starter handle

The manual starter handle is used to crank

and start the engine.

EMU26122

Steering friction adjuster

A friction device provides adjustable resis-

tance to the steering mechanism, and can be

set according to operator preference. An ad-

justing screw or bolt is located on the swivel

bracket.

1. Cord

2. Clip

3. Engine shut-off switch

1. Use to start a hot engine

2. Use to warm up a cold engine or restart a

warm engine

3. Use to warm up a cold engine or restart a

warm engine

4. Use to start a cold engine

U63V2DE0.book Page 15 Monday, February 22, 2010 9:00 AM

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Yamaha 15F Owner's manual

Brand: Yamaha

Model: 15F

Category: Engine

Type: Owner's manual

This manual is also suitable for

9.9F

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Yamaha 15F Owner's manual

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