Yamaha 70BETOL v2 Owner's Manual

70

OWNERS MANUAL

6H3-28199-1W

U.S.A.Edition LIT-18626-07-93

q Read this manual carefully before operating this outboard motor.

6H3-9-1W Hyoshi 08.2.11 9:35 AM 1

EMU25062

ZMU01690

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.

6H3-9-1W Hyoshi 08.2.11 9:35 AM 2

Important manual information

EMU31283

To the owner

Thank you for choosing a Yamaha outboard motor. This Owners 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 Owners 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

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.

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.

TIP:

The 70TR and the standard accessories are used as a base for the explanations and illus- trations in this manual. Therefore some items may not apply to every model.

EMU25111

70 OWNERS MANUAL

2008 by Yamaha Motor Corporation, USA 1st edition, April 2008

All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Corporation, USA

is expressly prohibited. Printed in Japan

P/N LIT-18626-07-93

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 ................. 2 People in the water ........................... 2 Passengers ....................................... 2 Overloading....................................... 2 Avoid collisions ................................. 3 Weather ............................................ 3 Accident reporting ............................. 3 Boat education and training .............. 3 Passenger training ............................ 4 Boating safety publications ............... 4 Laws and regulations ........................ 4

Boating organizations...................... 4 Basic boating rules (Rules of the

road) .............................................. 4

Steering and sailing rules and sound signals.................................. 5

Rules when encountering vessels .... 5 Other special situations..................... 6

General information .......................... 9

Identification numbers record.......... 9

Outboard motor serial number .......... 9 Key number....................................... 9

Read manuals and labels.............. 10

Warning labels ................................ 10

Specifications and requirements...13

Specifications ................................ 13 Installation requirements ............... 14

Boat horsepower rating................... 14 Mounting motor ............................... 14

Remote control requirements........ 14 Battery requirements..................... 14

Specifications of Battery..................14 Mounting battery .............................14 Multiple batteries .............................15

Propeller selection ........................ 15 Start-in-gear protection ................. 15 Engine oil requirements ................ 15 Fuel requirements ......................... 15

Gasoline ..........................................15 Ring Free Fuel Additive...................16

Muddy or acidic water ................... 16 Anti-fouling paint ........................... 16 Motor disposal requirements......... 17 Emergency equipment .................. 17 Emission control information......... 17

North American models...................17

Components .................................... 19

Components diagram.................... 19

Fuel tank .........................................19 Fuel joint..........................................20 Fuel gauge ......................................20 Fuel tank cap...................................20 Air vent screw..................................20 Remote control box .........................20 Remote control lever .......................20 Neutral interlock trigger ...................21 Neutral throttle lever ........................21 Tiller handle.....................................21 Gear shift lever ................................21 Throttle grip .....................................22 Throttle indicator .............................22 Throttle friction adjuster...................22 Engine shut-off cord (lanyard) and

clip.................................................23 Engine stop button ..........................23 Main switch .....................................24 Steering friction adjuster .................24 Power trim and tilt switch on

remote control or tiller handle .......24 Power trim and tilt switch on

bottom engine cowling ..................25 Trim tab with anode.........................25 Trim rod (tilt pin) ..............................26 Tilt support lever for power trim and

tilt model........................................26 Top cowling lock lever(s) (turn

Table of contents

type).............................................. 26

Instruments and indicators ............ 28

Digital tachometer ......................... 28

Tachometer ..................................... 28 Trim meter....................................... 28 Hour meter ...................................... 28 Oil level indicator (digital type) ........ 29 Overheat-alert indicator .................. 29

Analog tachometer ........................ 29

Oil level indicators (three indicators) ..................................... 29

Analog trim meter.......................... 30

Engine control system.................... 31

Alert system .................................. 31

Overheat alert ................................. 31 Oil level alert and oil filter clogging

alert............................................... 31

Installation ....................................... 33

Installation ..................................... 33

Mounting the outboard motor .......... 33

Operation ......................................... 35

First-time operation ....................... 35

Breaking in engine .......................... 35 Getting to know your boat ............... 35

Checks before starting engine ...... 35

Fuel level......................................... 36 Remove cowling.............................. 36 Fuel system..................................... 36 Controls........................................... 37 Engine shut-off cord (lanyard)......... 37 Oil.................................................... 37 Engine............................................. 37 Operation after a long period of

storage.......................................... 37 Install cowling.................................. 38 Checking power trim and tilt

system .......................................... 39 Battery............................................. 39

Filling fuel and engine oil............... 40

Filling fuel for portable tank............. 40 Filling oil for electric start

models .......................................... 40 Oil level indicator operation............. 42

Operating engine........................... 42

Feeding fuel (portable tank) ............42 Starting engine ................................43

Checks after starting engine ......... 46

Cooling water ..................................46

Warming up engine....................... 46

Electric start and prime start models ..........................................46

Checks after engine warm-up....... 46

Shifting ............................................46 Stop switches ..................................46

Shifting.......................................... 47 Stopping boat................................ 48 Stopping engine............................ 48

Procedure........................................48

Trimming outboard motor.............. 49

Adjusting trim angle (Power trim and tilt) ..........................................50

Adjusting boat trim ..........................51

Tilting up and down....................... 51

Procedure for tilting up (power trim and tilt models)..............................52

Procedure for tilting down (power trim and tilt models).......................53

Shallow water................................ 54

Power trim and tilt models...............54

Cruising in other conditions........... 55

Maintenance .................................... 56

Transporting and storing outboard motor ........................................... 56

Storing outboard motor ...................56 Procedure........................................56 Lubrication (oil injection models) .....57 Cleaning and anticorrosion

measures ......................................58 Cleaning the outboard motor...........58 Checking painted surface of

motor.............................................58

Periodic maintenance ................... 58

Replacement parts ..........................59 Severe operating conditions............59 Maintenance chart 1........................60 Maintenance chart 2........................62 Greasing..........................................63 Cleaning and adjusting spark

plug ...............................................63

Table of contents

Checking fuel filter .......................... 64 Inspecting idling speed ................... 64 Checking water in engine oil

tank ............................................... 65 Checking wiring and connectors ..... 65 Checking propeller .......................... 65 Removing propeller ......................... 66 Installing propeller ........................... 66 Changing gear oil ............................ 67 Cleaning fuel tank ........................... 68 Inspecting and replacing

anode(s)........................................ 69 Checking battery (for electric start

models) ......................................... 69 Connecting the battery .................... 70 Disconnecting the battery ............... 70

Trouble Recovery............................ 71

Troubleshooting ............................ 71 Temporary action in emergency.... 74

Impact damage ............................... 74 Replacing fuse ................................ 74 Power trim and tilt will not

operate.......................................... 75 Starter will not operate .................... 75 Emergency starting engine ............. 76

Engine fails to operate .................. 77

Ignition system malfunction............. 77 Cold engine fails to start ................. 77

Treatment of submerged motor..... 79

Consumer information.................... 80

Important warranty information for U.S.A. and Canada ..................... 80

YAMAHA MOTOR CORPORATION, U.S.A. OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY ...... 82

IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA ...................... 85

1

Safety information

EMU33622

Outboard motor safety

Observe these precautions at all times.

EMU36500

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.

Shut off 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.

EMU33630

Rotating parts

Hands, feet, hair, jewelry, clothing, PFD straps, etc. can become entangled with inter- nal 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 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, jewel- ry, clothing, PFD straps, etc. away from any exposed 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 start- ing or operating the engine. They can cause shock or electrocution.

EMU33660

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.

EMU33671

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 cord to clothing that could tear loose, or route the cord where it could be- come entangled, preventing it from function- ing. 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 ac- cording to the procedure on page 42 to reduce the risk of fire and explosion.

Safety information

2

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 contain carbon monoxide, a colorless, odor- less gas which may cause brain damage or death when inhaled. Symptoms include nau- sea, dizziness, and drowsiness. Keep cock- pit and cabin areas well ventilated. Avoid blocking exhaust outlets.

EMU33780

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.

EMU33740

Boating safety

This section includes a few of the many im- portant safety precautions that you should follow when boating.

EMU33710

Alcohol and drugs

Never operate after drinking alcohol or tak- ing drugs. Intoxication is one of the most common factors contributing to boating fatal- ities.

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 boat- ing conditions.

EMU33730

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 shut off the motor. Stay away from swimming areas. Swimmers can be hard to see. The propeller can keep moving even when the motor is in neutral. Shut off the engine when a person is in the water near you.

EMU33750

Passengers

Consult your boat manufacturers 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.

EMU33760

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 manufacturers instruc- tions. Overloading or incorrect weight distribution can compromise the boats han-

Safety information

3

dling and lead to an accident, capsizing or swamping.

EMU33771

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, 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.

EMU33790

Weather

Stay informed about the weather. Check weather forecasts before boating. Avoid

boating in hazardous weather.

EMU33800

Accident reporting

Boat operators are required by law to file a Boating Accident Report with their state boating law enforcement agency if their boat is involved in any of the following accidents: 1. There is loss of life or probable loss of

life. 2. There is personal injury that requires

medical attention beyond first aid. 3. There is property damage to boats or

other property over a certain amount. 4. There is complete loss of a boat. Contact local law enforcement personnel if a report is necessary.

EMU33870

Boat education and training

Operators should take a boating safety course. This may be required in your state. Many of the organizations listed in the next section can provide information about cours- es in your area. You may also want to consider an Internet- based program for basic boater education. The Online Boating Safety Course provided by the BoatU.S. Foundation, is approved by the National Association of State Boating Law Administrators (NASBLA) and recog- nized by the United States Coast Guard. Most, but not all, states accept this course to meet their minimum requirements. While it cannot replace an in-depth course such as one offered by the U.S. Coast Guard, U.S. Power Squadron, or other organization, this online course does provide a general over- view of the basics in boating safety, require- ments, navigation, and operation. Upon successful completion of the course, the user can download a certificate of comple- tion immediately or, for a small charge, re- quest one by mail. To take this free course,

ZMU06025

Safety information

4

go to boatus.org.

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.

EMU33590

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. The rules presented in the following section are con- densed- and have been provided for your convenience only. Contact the U.S. Coast Guard, the National Association of State Boating Law Adminis- trators, or your local Power Squadron for a complete set of rules governing the waters in which you will be using your boat.

EMU33680

Boating organizations

The following organizations provide boating safety training and information about boating safety and laws.

United States Coast Guard

Consumer Affairs Staff (G-BC) Office of Boating, Public, and Consumer Af- fairs U.S. Coast Guard Headquarters Washington, D.C. 20593-0001 Boating Safety Hotline: 1-800-368-5647 www.uscgboating.org

United States Power Squadrons

1-888-FOR-USPS (1-888-367-8777) www.usps.org

Boat Owners Association of The United States

1-800-336-BOAT (1-800-336-2628) www.boatus.com

National Association of State Boating Law Administrators (NASBLA)

1500 Leestown Road, Suite 330 Lexington, KY 4051 859-225-9497 859-225-9497 www.nasbla.org

National Marine Manufacturers Associa- tion (NMMA)

200 East Randolph Drive Suite 5100 Chicago, IL 606001 www.nmma.org

Marine Retailers Association of America

155 N. Michigan Ave. Chicago, IL 60601 www.mraa.com

EMU33690

Basic boating rules (Rules of the road)

Just as there are rules that apply when you are driving on streets and highways, there are waterway rules that apply when you are driving your boat. These rules are used inter- nationally. (For USA: and are also enforced by the United States Coast Guard and local agencies.) You should be aware of these rules, and follow them whenever you en- counter another vessel on the water.

Safety information

5

EMU33700

Steering and sailing rules and sound signals

Whenever two vessels on the water meet one another, one vessel has the right-of- way; it is called the stand-on vessel. The vessel that does not have the right-of-way is called the give-way or burdenedvessel. These rules determine which vessel has the right-of-way, and what each vessel should do.

Stand-on vessel

The vessel with the right-of-way has the duty to continue its course and speed, except to avoid an immediate collision. When you maintain your direction and speed, the other vessel will be able to determine how best to avoid you.

Give-way vessel

The vessel that does not have the right-of- way has the duty to take positive and timely action to stay out of the way of the Stand-On vessel. Normally, you should not cross in front of the vessel with the right-of-way. You should slow down or change directions brief- ly and pass behind the other vessel. You should always move in such a way that the operator of the other vessel can see what you are doing.

The general prudential rule

This rule is called Rule 2 in the International Rules and says, In obeying and construing these rules due regard shall be had to all dangers of naviga- tion and collision, and to any special circum- stances, which may render a departure from the above rules necessary in order to avoid immediate danger. In other words, follow the standard rules ex- cept when a collision will occur unless both

vessels try to avoid each other. If that is the case, both vessels become Give-Way vessels.

EMU25521

Rules when encountering vessels

There are three main situations that you may encounter with other vessels which could lead to a collision unless the Steering Rules are followed:

Meeting:

(you are approaching another ves- sel head-on)

Crossing:

(you are traveling across the oth- er vessels path)

Overtaking:

(you are passing or being passed by another vessel) In the following illustration, your boat is in the center. You should give the right-of-way to any vessels shown in white area (you are the Give-Way vessel). Any vessels in the shad- ed area must yield to you (they are the Give- Way vessels). Both you and the meeting vessel must alter course to avoid each other.

Meeting

If you are meeting another power vessel head on, and are close enough to run the risk of collision, neither of you has the right-of- way Both of you should alter course to avoid an accident. You should keep the other ves- sel on your port (left) side. This rule doesnt apply if both of you will clear one another if you continue on your set course and speed.

Safety information

6

Crossing

When two power driven vessels are crossing each others path close enough to run the risk of collision, the vessel which has the oth- er on the starboard (right) side must keep out of the way of the other. If the other vessel is on your right, you must keep out of its way; you are the Give-Way vessel. If the other vessel is on your port (left) side, remember that you should maintain course and direc- tion, provided the other vessel gives you the right-of-way as it should.

Overtaking

If you are passing another vessel, you are the Give-Way vessel. This means that the other vessel is expected to maintain its course and speed. You must stay out of its way until you are clear of it. Likewise, if an- other vessel is passing you, you should maintain your speed and direction so that the other vessel can steer itself around you.

EMU25531

Other special situations

There are three other rules you should be aware of when driving your boat around oth- er vessels.

Narrow channels and bends

When navigating in narrow channels, you should keep to the right when it is safe and practical to do so. If the operator of a power- driven vessel is preparing to go around a bend that may obstruct the view of other wa- ter vessels, the operator should sound a pro- longed blast on the whistle (4 to 6 seconds). If another vessel is around the bend, it too should sound the whistle. Even if no reply is heard, however, the vessel should still pro- ceed around the bend with caution. If you navigate such waters with your boat, you will need to carry a portable air horn, available from local marine supply stores.

Fishing vessel right-of-way

All vessels that are fishing with nets, lines or trawls are considered to be fishing vessels under the International Rules. Vessels with trolling lines are not considered fishing ves- sels. Fishing vessels have the right-of-way regardless of position. Fishing vessels can- not, however, impede the passage of other vessels in narrow channels.

Sailing vessel right-of-way

Sailing vessels should normally be given the right-of-way. The exceptions to this are: 1. When the sailing vessel is overtaking

the power-driven vessel, the power-driv- en vessel has the right-of-way.

2. Sailing vessels should keep clear of any fishing vessel.

3. In a narrow channel, a sailing vessel should not hamper the safe passage of a power-driven vessel that can navigate only in such a channel.

Safety information

7

Reading buoys and other markers

The waters of the United States are marked for safe navigation by the lateral system of buoyage. Simply put, buoys and markers have an arrangement of shapes, colors, numbers and lights to show which side of the buoy a boater should pass on when navigat- ing in a particular direction. The markings on these buoys are oriented from the perspec- tive of being entered from seaward (the boat- er is going towards the port). This means that red buoys are passed on the starboard (right) side when proceeding from open wa- ter into port, and black buoys are to port (left) side. When navigating out of port, your posi- tion with respect to the buoys should be re- versed; red buoys should be to port and black buoys to starboard. Many bodies of water used by boaters are entirely within the boundaries of a particular state. The Uniform State Waterway Marking System has been devised for these waters. This system uses buoys and signs with dis- tinctive shapes and colors to show regulato- ry or advisory information. These markers are white with black letters and orange boarders. They signify speed zones, restrict- ed areas, danger areas, and general infor- mation. Remember, markings may vary by geo- graphic location. Always consult local boat- ing authorities before driving your boat in unfamiliar waters.

Safety information

8

ZMU01708

9

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.

EMU25190

Key number

If a main key switch is equipped with the mo- tor, the key identification number is stamped on your key as shown in the illustration. Record this number in the space provided for reference in case you need a new key.

1. Outboard motor serial number location

1

ZMU02931

1. Key number

General information

10

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.

3

2

1

ZMU06181

General information

11

1 2

3

ZMU05670

General information

12

EMU33843

Symbols

The following symbols mean as follows.

Notice/Warning

Read Owners 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

13

Specifications and requirements

EMU31480

Specifications TIP:

(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.

EMU2821C

Dimension:

Overall length: 713 mm (28.1 in)

Overall width: 364 mm (14.3 in)

Overall height L: 1374 mm (54.1 in)

Transom height L: 521 mm (20.5 in)

Weight (without propeller) L: 104.0 kg (229 lb)

Performance:

Full throttle operating range: 50006000 r/min

Maximum output: 51.5 kW@5500 r/min (70 HP@5500 r/min)

Idling speed (in neutral): 800

50 r/min

Engine:

Type: 2-stroke L

Displacement: 849.0 cm

3

Bore

stroke: 72.0

69.5 mm (2.83

2.74 in) Ignition system:

CDI (micro computer) Spark plug (NGK):

B8HS-10

Spark plug gap: 0.91.0 mm (0.0350.039 in)

Control system: Remote control

Starting system: Electric

Starting carburetion system: Prime start

Min. cold cranking amps (CCA/SAE): 380.0 A

Min. marine cranking amps (MCA/ABYC): 502.0 A

Min. reserve capacity (RC/SAE): 124 minutes

Maximum generator output: 6.0 A

Drive unit:

Gear positions: Forward-neutral-reverse

Gear ratio: 2.33 (28/12)

Trim and tilt system: Power trim and tilt

Propeller mark: K

Fuel and oil:

Recommended fuel: Regular unleaded gasoline

Min. pump octane: 86

Fuel tank capacity: 25 L (6.60 US gal, 5.50 Imp.gal)

Recommended engine oil: YAMALUBE 2-stroke outboard motor oil

Lubrication: Oil injection

Engine oil tank capacity: 2.8 L (2.96 US qt, 2.46 Imp.qt)

Recommended gear oil: Hypoid gear oil SAE#90

Specifications and requirements

14

Gear oil quantity: 0.610 L (0.645 US qt, 0.537 Imp.qt)

Tightening torque for engine:

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

Propeller nut: 35.0 Nm (3.57 kgf-m, 25.8 ft-lb)

EMU33553

Installation requirements

EMU33563

Boat horsepower rating

WARNING

EWM01560

Overpowering a boat can cause severe

instability.

Before installing the outboard motor(s), con- firm that the total horsepower of your mo- tor(s) does not exceed the boats maximum horsepower rating. See the boats capacity plate or contact the manufacturer.

EMU33571

Mounting motor

WARNING

EWM01570

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 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 33.

EMU33581

Remote control requirements

WARNING

EWM01580

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.

The remote control unit must be equipped with a start-in-gear protection device(s). This device prevents the engine from starting un- less it is in neutral.

EMU25694

Battery requirements

EMU25713

Specifications of Battery

Use a fully charged battery that meets the following specifications. The engine cannot be started if battery voltage is too low.

NOTICE

ECM01061

Do not use a battery that does not meet the specified capacity. If a battery that does not meet specifications is used, the electric system could perform poorly or be overloaded, causing electric system

damage.

EMU36290

Mounting battery

Mount the battery holder securely in a dry, well-ventilated, vibration-free location in the

Minimum cold cranking amps (CCA/ SAE):

380.0 A Minimum marine cranking amps (MCA/ ABYC):

502.0 A Minimum reserve capacity (RC/SAE):

124 minutes

Specifications and requirements

15

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.

[EWM01820]

EMU36300

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.

EMU34191

Propeller selection

Next to selecting an outboard, choosing 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 propel- lers for every Yamaha outboard motor and every application. Your outboard motor came with a Yamaha propeller chosen to perform well over a range of applications, but there may be uses where a different propeller would be more appropriate. 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, chose 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, chose 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.

For instructions on propeller removal and in- stallation, see page 65.

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

EMU36780

Gasoline

Use a good quality gasoline that meets the minimum octane rating. If knocking or ping- ing occurs, use a different brand of gasoline or premium unleaded fuel. Yamaha re-

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

-x 1 2 3

Specifications and requirements

16

comends that you use alcohol-free (see Gasohol) gasoline whenever possible.

NOTICE

ECM01980

Do not use leaded gasoline. Leaded gasoline can seriously damage the en- gine.

Avoid getting water and contaminants in the fuel tank. Contaminated fuel can cause poor performance or engine damage. 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. E85 is a fuel containing 85% ethanol and must not be used in your outboard motor. All ethanol 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. It is recommended that you install a water- separating marine fuel filter assembly (10 micron minimum) between your boats fuel tank and outboard motor when using etha- nol. Ethanol is known to allow moisture to be absorbed into boat fuel tanks and systems. Moisture in the fuel can cause corrosion of metallic fuel system components, starting and running complaints and require addition-

al fuel system maintenance.

EMU27270

Ring Free Fuel Additive

Gasoline is a precise blend of many different substances, each chosen to give certain characteristics. Gasoline blends have been changing in recent years in response to con- cerns about pollution and resulting emis- sions regulations. One of the most obvious changes has been the elimination of lead from most fuels. As gasoline has changed, the amount of ad- ditives such as aromatics and oxygenates has increased. These additives are impor- tant for the engines in passenger cars, but they can have detrimental effects in marine engines, because of increased deposits in the combustion chamber. When enough de- posits collect, piston rings begin sticking. Performance drops and engine wear in- creases dramatically. While many additives available may reduce deposits, Yamaha recommends the use of

Ring Free Fuel Additive

, available from your Yamaha dealer.

Ring Free Fuel Addi- tive

has repeatedly proven its ability to clean combustion deposits from inside the engine, notably the critical piston-ring-land area, and fuel system components. Follow product la- beling for use instructions.

EMU36880

Muddy or acidic water

Yamaha strongly recommends that you have your dealer install the optional chromium- plated water pump kit if you use the outboard motor in muddy or acidic water conditions. However, depending on the model it might not be required.

EMU36330

Anti-fouling paint

A clean hull improves boat performance. The boat bottom should be kept as clean of ma-

Recommended gasoline: Regular unleaded gasoline with a min- imum Octane rating of 86 (Pump Oc- tane Number) = (R+M)/2

Specifications and requirements

17

rine growth as possible. If necessary, the boat bottom can be coated with an anti-foul- ing 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.

EMU36340

Motor disposal requirements

Never illegally discard (dump) the motor Yamaha recommends consulting the dealer about discarding the motor.

EMU36351

Emergency equipment

Keep the following items onboard in case there is trouble with the motor.

A tool kit with assorted screwdrivers, pli- ers, 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.

EMU25221

Emission control information

EMU25230

North American models<