Yamaha F9.9MLHG v2 Owner's Manual
en
F9.9F T9.9G
OWNERS MANUAL
LIT-18626-07-38 6AU-28199-10
U.S.A.Edition
ZMU01690
Read this owners manual carefully before operating or working on your outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should stay with the outboard motor if it is sold.
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Important manual information EMU31281
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 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 Owners Manual particularly important information is distinguished in the following ways.
The Safety Alert Symbol means AT- TENTION! BECOME ALERT! YOUR SAFE- TY IS INVOLVED!
WARNING EWM00780
Failure to follow WARNING instructions could result in severe injury or death to the machine operator, a bystander, or a per- son inspecting or repairing the outboard motor.
CAUTION: ECM00700
A CAUTION indicates special precautions that must be taken to avoid damage to the outboard motor.
NOTE: A NOTE provides key information to make procedures easier or clearer.
Yamaha continually seeks advancements in product design and quality. Therefore, while this manual contains the most current 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.
NOTE: The F9.9FMH, F9.9FER, T9.9GPH, T9.9GPR, T9.9GEH and the standard acces- sories are used as a base for the explanations and illustrations in this manual. Therefore some items may not apply to every model.
EMU25111
F9.9F, T9.9G OWNERS MANUAL
2007 by Yamaha Motor Corporation, USA
2nd edition, March 2007 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-18626-07-38
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Table of contents
General information ..........................1 Identification numbers record.......... 1
Outboard motor serial number ........... 1 Key number ........................................ 1
Emission control information ........... 1 North American models...................... 1 Star labels .......................................... 2
Read manuals and labels................ 4 Warning labels.................................... 4
Safety information.............................8 Safety information ........................... 8
Rotating parts ..................................... 8 Hot parts............................................. 8 Electric shock ..................................... 8 Power tilt............................................. 8 Engine shut-off cord ........................... 8 Gasoline ............................................. 8 Gasoline exposure and spills ............. 8 Carbon monoxide ............................... 9 Modifications ...................................... 9
Boating safety ................................. 9 Alcohol and drugs............................... 9 Personal flotation devices .................. 9 People in the water............................. 9 Passengers ........................................ 9 Overloading ........................................ 9 Avoid collisions................................... 9 Weather............................................ 10 Accident reporting ............................ 10 Boat education and training.............. 10 Passenger training ........................... 10 Boating safety publications............... 10 Laws and regulations ....................... 10
Boating organizations.................... 11 Basic boating rules
(Rules of the road) ..................... 11 Steering and sailing rules and
sound signals ................................ 11 Rules when encountering vessels.... 12 Other special situations .................... 13
Basic requirements......................... 15 Fueling instructions....................... 15
Gasoline ........................................... 15 Engine oil.......................................... 15
Installation requirements............... 16 Boat horsepower rating .................... 16 Mounting motor ................................ 16 Remote control requirements ........... 16 Battery requirement .......................... 17 Without a rectifier or
Rectifier Regulator ........................ 17 Propeller selection............................ 17
Start-in-gear protection ................. 18
Basic components .......................... 19 Main components.......................... 19
Fuel tank........................................... 20 Fuel joint ........................................... 21 Fuel gauge ....................................... 21 Fuel tank cap.................................... 21 Air vent screw................................... 21 Remote control ................................. 21 Remote control lever ........................ 21 Neutral interlock trigger .................... 22 Neutral throttle lever ......................... 22 Choke switch .................................... 22 Tiller handle...................................... 22 Gear shift lever ................................. 22 Throttle grip ...................................... 23 Throttle indicator............................... 23 Throttle friction adjuster .................... 23 Engine shut-off switch ...................... 24 Engine stop button ........................... 24 Choke knob for pull type................... 25 Manual starter handle....................... 25 Starter button.................................... 25 Main switch....................................... 25 Power tilt switch................................ 25 Steering friction adjuster................... 26 Trim rod (tilt pin) ............................... 27 Tilt lock mechanism.......................... 27 Tilt support knob............................... 27 Tilt support bar ................................. 28 Power tilt unit .................................... 28
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Table of contents
Top cowling lock lever (pull up type) ................................. 28
Flushing device ................................ 29 Warning indicator ............................. 29 Low oil pressure-warning indicator... 29
Warning system ............................ 29 Low oil pressure warning.................. 29
Operation ......................................... 31 Installation ..................................... 31
Mounting the outboard motor ........... 31 Clamping the outboard motor........... 33
Breaking in engine ........................ 34 Procedure for 4-stroke models ......... 34
Pre-operation checks .................... 34 Fuel .................................................. 34 Controls ............................................ 35 Stop switches ................................... 35 Engine .............................................. 35 Checking the engine oil level............ 35
Filling fuel ...................................... 35 Ring Free Fuel Additive.................... 36
Operating engine........................... 36 Feeding fuel (portable tank) ............. 36 Starting engine ................................. 37
Warming up engine ....................... 44 Manual start and electric start
models .......................................... 44 Shifting .......................................... 45 Stopping boat ................................ 46 Stopping engine ............................ 47
Procedure......................................... 47 Procedure......................................... 47
Trimming outboard motor.............. 48 Adjusting trim angle for manual tilt
models .......................................... 48 Adjusting trim angle
(power tilt models)......................... 49 Adjusting boat trim............................ 50
Tilting up and down ....................... 50 Procedure for tilting up
(manual tilt models)....................... 51 Procedure for tilting up
(power tilt models)......................... 52
Procedure for tilting down (manual tilt models)....................... 53
Procedure for tilting down (power tilt models)......................... 53
Cruising in shallow water .............. 54 Cruising in shallow water
(manual tilt models)....................... 54 Power tilt models .............................. 55
Cruising in other conditions........... 56
Maintenance .................................... 58 Specifications................................ 58 Transporting and storing
outboard motor .......................... 60 Dismounting the outboard motor ...... 60 Storing outboard motor..................... 62 Procedure......................................... 62 Lubrication........................................ 63 Cleaning and anticorrosion
measures ...................................... 63 Battery care ...................................... 63 Flushing power unit .......................... 64 Cleaning the outboard motor ............ 65 Checking painted surface of motor... 65
Periodic maintenance ................... 65 Replacement parts ........................... 66 Maintenance interval guidelines ....... 66 Maintenance chart 1......................... 67 Maintenance chart 2......................... 69 Greasing........................................... 70 Cleaning and adjusting spark plug ... 71 Checking fuel system ....................... 71 Checking fuel filter ............................ 72 Inspecting idling speed..................... 72 Changing engine oil.......................... 73 Checking wiring and connectors ...... 74 Exhaust leakage............................... 75 Water leakage .................................. 75 Engine oil leakage ............................ 75 Checking power tilt system............... 75 Checking propeller ........................... 75 Removing propeller .......................... 76 Installing propeller ............................ 77 Changing gear oil ............................. 77
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Table of contents
Cleaning fuel tank............................. 78 Inspecting and replacing anode(s) ... 79 Checking battery (for electric start
models) ......................................... 80 Connecting the battery ..................... 81 Disconnecting the battery................. 81 Checking top cowling ....................... 81 Coating the boat bottom................... 82
Trouble Recovery............................ 83 Troubleshooting ............................ 83 Temporary action in emergency.... 86
Impact damage................................. 86 Replacing fuse.................................. 86 Power tilt will not operate ................. 87 Starter will not operate ..................... 87 Emergency starting engine............... 88
Engine fails to operate .................. 89 Emergency engine operation ........... 89
Treatment of submerged motor..... 89 Procedure......................................... 89
Consumer information.................... 90 Important warranty information for
U.S.A. and Canada .................... 90 YAMAHA MOTOR
CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY ............... 92
IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA ............. 94
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General information
1
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.
EMU25221
Emission control information EMU25230
North American models This engine conforms to U.S. Environmental Protection Agency (EPA) regulations for ma- rine SI engines. See the label affixed to your engine for details. EMU25242
Approval label of emission control certifi- cate This label is attached to the bottom cowling.
1. Outboard motor serial number location
1. Outboard motor serial number location
1
ZMU05335
1
ZMU05336
1. Key number
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General information
2
New Technology; (4-stroke/HPDI) EM
EMU25262
Manufactured date label This label is attached to the clamp bracket or the swivel bracket.
EMU25273
Star labels Your outboard motor is labeled with a Califor- nia Air Resources Board (CARB) star label. See below for a description of your particular label.
EMU25280
One StarLow Emission The one-star label identifies engines that meet the Air Resources Boards 2001 ex- haust emission standards. Engines meeting these standards have 75% lower emissions than conventional carbureted two-stroke en- gines. These engines are equivalent to the U.S. EPAs 2006 standards for marine en- gines.
1. Approval label location
1. Manufactured date label location
ZMU05159
1. Star labels location
Manufactured:
ZMU04346
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General information
3
EMU25290
Two StarsVery Low Emission The two-star label identifies engines that meet the Air Resources Boards 2004 exhaust emission standards. Engines meeting these standards have 20% lower emissions than One Star-Low-Emission engines.
EMU25300
Three StarsUltra Low Emission The three-star label identifies engines that meet the Air Resources Boards 2008 ex- haust emission standards. Engines meeting these standards have 65% lower emissions than One Star-Low-Emission engines.
EMU33861
Four StarsSuper Ultra Low Emission The four-star label identifies engines that meet the Air Resources Boards Sterndrive and Inboard marine engine 2009 exhaust emission standards. Personal Watercraft and Outboard marine engines may also comply with these standards. Engines meeting these standards have 90% lower emissions than One Star-Low-Emission engines.
ZMU01702
ZMU01703
ZMU01704
ZMU05663
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General information
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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. F9.9FMH, T9.9GEH
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General information
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F9.9FER, T9.9GPH, T9.9GPR
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General information
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1 2
3
ZMU05670
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General information
7
EMU33841
Symbols The following symbols mean as follows.
Caution/Warning
Read Operators 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
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Safety information EMU33621
Safety information Observe these precautions at all times. 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. EMU34790
Power 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 tilt mechanism. The power tilt switches operate even when the main switch is off. Keep people be away from the switches whenever working around the motor. Never get under the lower unit while it is tilted, even when the tilt support lever or knob is locked. Severe injury could occur if the out- board motor accidentally falls.
EMU33670
Engine shut-off cord 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 36 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.
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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. 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. 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 some- one 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 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. EMU33770
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.
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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. EMU33800
Accident reporting Boat operators are required by law to file a Boating Accident Report with their state boat- ing law enforcement agency if their boat is in- volved 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 oth-
er 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 recognized by the United States Coast Guard. Most, but not all, states accept this course to meet their minimum requirements. While it cannot re- place an in-depth course such as one offered by the U.S. Coast Guard, U.S. Power Squad- ron, or other organization, this online course does provide a general overview of the basics in boating safety, requirements, navigation, and operation. Upon successful completion of the course, the user can download a certifi- cate of completion immediately or, for a small charge, request one by mail. To take this free course, 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 Administra- tors, or your local Power Squadron for a com- plete set of rules governing the waters in which you will be using your boat.
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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 driv- ing your boat. These rules are used interna- tionally. (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 encoun- ter another vessel on the water. 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 main- tain 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 briefly and
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pass behind the other vessel. You should al- ways 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 ves- sels. 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 fol- lowed: Meeting: (you are approaching another ves- sel head-on) Crossing: (you are traveling across the other 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 shaded 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 col- lision, neither of you has the right-of-way Both of you should alter course to avoid an acci- dent. You should keep the other vessel on your port (left) side. This rule doesnt apply if both of you will clear one another if you con- tinue on your set course and speed.
Crossing When two power driven vessels are crossing each others path close enough to run the risk of collision, the vessel which has the other 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 direction, provid- ed the other vessel gives you the right-of-way as it should.
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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 another 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 other 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 water 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 nav- igate 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 re- gardless of position. Fishing vessels cannot, however, impede the passage of other ves- sels 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-driven 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.
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, num- bers and lights to show which side of the buoy a boater should pass on when navigating in a particular direction. The markings on these buoys are oriented from the perspective of be- ing entered from seaward (the boater is going towards the port). This means that red buoys are passed on the starboard (right) side when proceeding from open water into port, and black buoys are to port (left) side. When navi- gating out of port, your position with respect to the buoys should be reversed; red buoys should be to port and black buoys to star- board.
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Many bodies of water used by boaters are en- tirely 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 regulatory or advisory information. These markers are
white with black letters and orange boarders. They signify speed zones, restricted areas, danger areas, and general information. Remember, markings may vary by geograph- ic location. Always consult local boating au- thorities before driving your boat in unfamiliar waters.
ZMU01708
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Basic requirements
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EMU25540
Fueling instructions
WARNING EWM00010
GASOLINE AND ITS VAPORS ARE HIGH- LY FLAMMABLE AND EXPLOSIVE! Do not smoke when refueling, and keep
away from sparks, flames, or other sources of ignition.
Stop engine before refueling. Refuel in a well-ventilated area. Refuel
portable fuel tanks off the boat. Take care not to spill gasoline. If gaso-
line spills, wipe it up immediately with dry rags.
Do not overfill the fuel tank. Tighten the filler cap securely after refu-
eling. If you should swallow some gasoline, in-
hale a lot of gasoline vapor, or get gaso- line in your eyes, get immediate medical attention.
If any gasoline spills onto your skin, im- mediately wash with soap and water. Change clothing if gasoline spills on it.
Touch the fuel nozzle to the filler open- ing or funnel to help prevent electrostat- ic sparks.
CAUTION: ECM00010
Use only new clean gasoline which has been stored in clean containers and is not contaminated with water or foreign matter.
EMU33960
Gasoline If knocking or pinging occurs, use a different brand of gasoline or premium unleaded fuel.
Gasohol There are two types of gasohol: gasohol con- taining ethanol and that containing methanol. Gasohol containing ethanol can be used if ethanol content does not exceed 10% and the fuel meets minimum octane ratings. E-85 is a fuel blend containing 85% ethanol and there- fore must not be used in your outboard motor. All ethanol blends containing more than 10% ethanol can cause fuel system damage or en- gine performance problems. Yamaha does not recommend gasohol-containing methanol because it can cause fuel system damage or engine performance problems. EMU31440
Engine oil
NOTE: If the recommended engine oil grades are not available, select an alternative from the fol- lowing chart according to the average temper- atures in your area.
Recommended gasoline: Regular unleaded gasoline with a mini- mum octane rating of 86 (Pump Oc- tane Number) = (R+M)/2
Recommended engine oil: YAMALUBE 4-M FC-W oil or 4-stroke motor oil with a combination of the fol- lowing SAE and API oil classifications
Engine oil type SAE: 10W-30 or 10W-40
Engine oil grade API: SE, SF, SG, SH, SJ, SL
Engine oil quantity (excluding oil filter): 0.8 L (0.85 US qt) (0.70 Imp.qt)
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Basic requirements
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CAUTION: ECM01050
All 4-stroke engines are shipped from the factory without engine oil.
EMU33552
Installation requirements EMU33560
Boat horsepower rating Before installing the outboard motor(s), con- firm that the total horsepower of your motor(s) does not exceed the boats maximum horse- power rating. See the boats capacity plate or contact the manufacturer.
WARNING EWM01560
Overpowering a boat can cause severe in- stability.
EMU33570
Mounting motor 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 31.
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.
EMU33580
Remote control requirements 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.
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.
ZMU01710
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Basic requirements
17
EMU25693
Battery requirement
CAUTION: ECM01061
Do not use a battery that does not meet the specified capacity. If a battery that does not meet specifications is used, the elec- tric system could perform poorly or be overloaded, causing electric system dam- age.
For electric start models, choose a battery which meets the following specifications. EMU25712
Battery specifications
The engine cannot be started if battery volt- age is too low. EMU25730
Without a rectifier or Rectifier Regula- tor
CAUTION: 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. EMU34190
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 propellers for ev- ery Yamaha outboard motor and every appli- cation. 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 appropri- ate. 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 propeller 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.
Minimum cold cranking amps (CCA/SAE):
F9.9FER 245.0 A T9.9GEH 245.0 A T9.9GPH 245.0 A T9.9GPR 245.0 A
Minimum marine cranking amps (MCA/ABYC):
F9.9FER 323.0 A T9.9GEH 323.0 A T9.9GPH 323.0 A T9.9GPR 323.0 A
Minimum reserve capacity (RC/SAE): F9.9FER 52 minutes T9.9GEH 52 minutes T9.9GPH 52 minutes T9.9GPR 52 minutes
U6AU10E0.book Page 17 Thursday, April 5, 2007 4:00 PM
Basic requirements
18
For instructions on propeller removal and in- stallation, see page 75.
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.
1. Propeller diameter in inches 2. Propeller pitch in inches 3. Type of propeller (propeller mark)
1. Propeller diameter in inches 2. Propeller pitch in inches 3. Type of propeller (propeller mark)
ZMU04606
-x 1 2 3
ZMU04604
-x 1 2 3
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Basic components
19
EMU2579D
Main components
NOTE: * May not be exactly as shown; also may not be included as standard equipment on all models.
F9.9F
1. Top cowling 2. Top cowling lock lever 3. Anti-cavitation plate 4. Propeller 5. Cooling water inlet 6. Drain screw 7. Trim rod 8. Clamp bracket 9. Flushing device 10.Choke knob 11.Fuel joint 12.Manual starter handle* 13.Warning indicator 14.Engine stop button/Engine shut-off switch* 15.Gear shift lever* 16.Tiller handle*
17.Throttle grip* 18.Throttle friction adjuster* 19.Tilt lock lever 20.Steering friction adjuster* 21.Clamp screw 22.Rope attachment
U6AU10E0.book Page 19 Thursday, April 5, 2007 4:00 PM
Basic components
20
T9.9G
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- mercial users should conform to relevant licensing or approval authority regula- tions.
1. Top cowling 2. Top cowling lock lever 3. Anti-cavitation plate 4. Propeller 5. Cooling water inlet 6. Drain screw 7. Clamp bracket 8. Power tilt switch* 9. Flushing device 10.Choke knob 11.Fuel joint 12.Manual starter handle* 13.Warning indicator 14.Starter button* 15.Engine stop button/Engine shut-off switch* 16.Gear shift lever* 17.Tiller handle* 18.Throttle grip* 19.Throttle friction adjuster* 20.Tilt lock lever* 21.Steering friction adjuster*
22.Clamp screw 23.Rope attachment 24.Tilt support knob* 25.Remote control box (side mount type)*
U6AU10E0.book Page 20 Thursday, April 5, 2007 4:00 PM
Basic components
21
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