Yamaha F4D Manuale del Proprietario

F4DOWNER’S MANUAL68D-F8199-14U.S.A.EditionLIT-18626-05-9768D-9-14 Hyoshi 1/28/04 10:20 AM Page 1

General information 5 EMU25481 LabelCAUTION: ECM01200 Store the engine only as shown.Otherwise, engine damage could result from Leaking oil. EMU2550

General information 6 Overtaking: (you are passing or beingpassed by another vessel)In the following illustration, your boat is in thecenter. You sh

General information 7 If another vessel is around the bend, it tooshould sound the whistle. Even if no reply isheard, however, the vessel should stil

General information 8 EMU25540 Fueling instructionsWARNING EWM00010 GASOLINE AND ITS VAPORS ARE HIGH-LY FLAMMABLE AND EXPLOSIVE! ● Do not smoke when

General information 9 dry rags. ● Do not overfill the fuel tank. ● Tighten the filler cap securely after re-fueling. ● If you should swallow some gas

General information 10 on the propeller size and boat load. If enginespeed is too high or too low for good engineperformance, this will have an adver

11 Basic components EMU25795 Main componentsNOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. F4D

Basic components 12 its dedicated fuel reservoir and must notbe used as a fuel storage container. Com-mercial users should conform to relevantlicensi

Basic components 13 EMU25901 Open The fuel cock has two open positions, one forselecting fuel flow from the built-in fuel tank,and one for an externa

Basic components 14 EMU25941 Throttle grip The throttle grip is on the tiller handle. Turnthe grip counterclockwise to increase speedand clockwise to

EMU25060ZMU01690 Read this owner’s manual carefully before operating your outboard motor.68D-9-14 Hyoshi 1/28/04 10:20 AM Page 2

Basic components 15 EMU25990 Engine stop lanyard switch The lock plate must be attached to the en-gine stop switch for the engine to run. Thelanyard

Basic components 16 EMU26070 Manual starter handle To start the engine, first gently pull the han-dle out until resistance is felt. From that posi-ti

Basic components 17 EMU26382 Top cowling lock lever (pull up type) To remove the engine top cowling, pull upthe lock lever(s) and lift off the cowlin

18 Operation EMU26901 InstallationCAUTION: ECM00110 Incorrect engine height or obstructionsto smooth water flow (such as the designor condition of t

Operation 19 motor greatly affects the water resistance. Ifthe mounting height is too high, cavitationtends to occur, thus reducing the propulsion;an

Operation 20 board (if packed). For details, consultyour Yamaha dealer.WARNING EWM00650 Avoid using bolts, nuts or washers otherthan those contained

Operation 21 er operation before starting the engine. ● The controls should work smoothly, with-out binding or unusual free play. ● Look for loose or

Operation 22 3. Securely close the cap after filling thetank. Wipe up any spilled fuel.NOTE: The upper fuel level mark is indicated on the built-in f

Operation 23 3. If you are using an external fuel tank,connect the fuel joints securely andsqueeze the primer pump with the outletend up until you fe

Operation 24 lanyard where it could become entan-gled, preventing it from functioning. ● Avoid accidentally pulling the lanyardduring normal operatio

Important manual information EMU25100 To the owner Thank you for choosing a Yamaha outboardmotor. This Owner’s Manual contains infor-mation needed fo

Operation 25NOTE: ● When the engine is cold, it needs to bewarmed up. For further information, seepage 25. ● If the engine does not start on the firs

Operation 26 EMU27763 Forward (tiller handle and remote control models) Tiller control models1. Place the throttle grip in the fully closedposition.2

Operation 27 until the engine comes to a completestop.2. After stopping the engine, tighten the airvent screw on the fuel tank cap and setthe fuel co

Operation 28 EMU27871 Adjusting trim angle for manual tilt models There are 4 or 5 holes provided in the clampbracket to adjust the outboard motor tr

Operation 29 the boat is up about 3 to 5 degrees. With thebow up, the boat may have a greater tenden-cy to steer to one side or the other. Compen-sat

Operation 30WARNING EWM00220 Be sure all people are clear of the out-board motor when tilting up and down,also be careful not to pinch any bodyparts

Operation 31 4. Close the fuel cock.5. Tilt support bar equipped models: Holdthe rear of the top cowling or the rearhandle (if equipped) with one han

Operation 32 3. If the tilt support knob equipped: pull outit, then slowly tilt the engine down.4. Loosen the steering friction adjuster byturning it

Operation 33 EMU28101 Procedure 1. Place the gear shift lever in neutral andface the outboard motor forward.2. Slightly tilt the outboard motor up un

34 Maintenance EMU28213 Specifications Dimension: Overall length: 717 mm (28.2 in) Overall width: 361 mm (14.2 in) Overall height S: 1029 mm (40.5 in

Table of contents General information ... 1 Identification numbers record... 1 Outboard motor serial number ...

Maintenance 35 Spark plug: 25.0 Nm (18.4 ft-lb) (2.55 kgf-m) Engine oil drain bolt: 20.0 Nm (15.0 ft-lb) (2.0 kgf-m) EMU28222 Transporting and stori

Maintenance 36NOTE: Place a towel or something similar under the outboard motor to protect it from damage. EMU28241 Storing outboard motor When stori

Maintenance 37 5. Fill the tank with fresh water to above thelevel of the anti-cavitation plate.CAUTION: ECM00300 Do not run the engine without supp

Maintenance 38 2. Spray the outboard motor exterior with“Yamaha Silicone Protectant” (Part No.LUB-SILCNE-13-00).CAUTION: ECM01330 If equipped Electr

Maintenance 39 EMU28521 Maintenance chart Frequency of maintenance operations may be adjusted according to the operating condi-tions, but the followi

Maintenance 40NOTE: When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use. EMU28931 Greas

Maintenance 41 The spark plug is an important engine com-ponent and is easy to inspect. The conditionof the spark plug can indicate somethingabout th

Maintenance 42 Checkpoints ● Fuel system parts leakage ● Fuel line joint leakage ● Fuel line cracks or other damage ● Fuel connector leakage EMU28990

Maintenance 43 or other qualified mechanic.2. Verify whether the idle speed is set tospecification. For idle speed specifica-tions, see page 34. EMU2

Maintenance 44 en 1/4 - 1/2 turn. Have the drain plug torquedto the correct value with a torque wrench as soon as possible.4. Add the correct amount

Table of contents Lubrication (except oil injection models) ... 37Cleaning and anticorrosion measures ...

Maintenance 45 Checkpoints ● Check each of the propeller blades forwear, erosion from cavitation or ventila-tion, or other damage. ● Check the propel

Maintenance 46 the propeller could come off during op- eration and be lost. 1. Apply Yamaha marine grease or a cor-rosion resistant grease to the pro

Maintenance 47 ized filling device, inject the gear oil intothe gear oil drain screw hole.6. When the oil begins to flow out of the oillevel plug hol

Maintenance 48NOTE: Inspect ground leads attached to externalanodes on equipped models. Consult aYamaha dealer for inspection and replace-ment of int

49 Trouble Recovery EMU29422 Troubleshooting A problem in the fuel, compression, or igni-tion systems can cause poor starting, loss ofpower, or other

Trouble Recovery 50 Q. Is fuel system obstructed?A. Check for pinched or kinked fuel line orother obstructions in fuel system.Q. Is fuel contaminated

Trouble Recovery 51 A. Have serviced by a Yamaha dealer.Q. Is load on boat improperly distributed?A. Distribute load to place boat on an evenplane.Q.

Trouble Recovery 52 Q. Is heat range of spark plug incorrect?A. Inspect spark plug and replace it with rec-ommended type.Q. Is high pressure fuel pum

Trouble Recovery 53 your arm or leg while operating. ● Do not attach the lanyard to clothingthat could tear loose. Do not route thecord where it coul

Trouble Recovery 54 6. Prepare the engine for starting. For fur-ther information, see page 23. Be surethe engine is in neutral and that the en-gine s

1 General information EMU25170 Identification numbers record EMU25182 Outboard motor serial number The outboard motor serial number isstamped on the

Trouble Recovery 55 filter, and fuel line. Drain the engine oilcompletely.4. Fill the sump with the fresh engine oil.5. Feed engine fogging oil or en

56 Consumer information EMU29811 Important warranty information for U.S.A. and Canada

Consumer information 57

Consumer information 58 EMU29830 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY

Consumer information 59

Consumer information 60 EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA

Printed in FranceApril 2004–0.5 × 1 !68D-9-14 Hyoshi 1/28/04 10:20 AM Page 4

Warranty card 12/6/01 7:40 PM Page 1

Warranty card 12/6/01 7:40 PM Page 2

General information 2 EMU25272 Star labels Your outboard motor is labeled with a Cali-fornia Air Resources Board (CARB) star la-bel. See below for a

General information 3 these standards have 65% lower emissionsthan One Star-Low-Emission engines. EMU25360 Safety information ● Before mounting or o

General information 4 watch for obstacles and other traffic. ● Always watch carefully for swimmers dur-ing the engine operation. ● Stay away from swi