Yamaha F4A Owner's Manual
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Yamaha F4A Owner's Manual

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F4A
OWNER'S MANUAL
68D-F8199-76-E0

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Summary of Contents for Yamaha F4A

  • Page 1 OWNER’S MANUAL 68D-F8199-76-E0...
  • Page 2 EMU25050 Read this owner’s manual carefully before operating your outboard motor.
  • Page 3 Yamaha. If you have any question about the also be voided. operation or maintenance of your outboard Some countries have laws or regulations re- motor, please consult a Yamaha dealer.

  • Page 4: Table Of Contents

    Table of contents General information ......1 Breaking in engine ......16 Procedure for 4-stroke models ..16 Identification numbers record..1 Preoperation checks ..... 16 Outboard motor serial number ..1 Fuel ..........16 EC label........... 1 Controls ........... 17 Emission control information ...
  • Page 5 Table of contents Replacement parts ......34 Maintenance chart ......35 Maintenance chart (additional)..36 Greasing ......... 37 Cleaning and adjusting spark plug ..........37 Checking fuel system ...... 38 Checking fuel filter ......39 Inspecting idling speed ....39 Changing engine oil ......

  • Page 6: General Information

    Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for ZMU02651 reference in case your outboard motor is sto- 1. EC label location len.

  • Page 7: Safety Information

    Before operating the boat, read any own- er’s or operator’s manuals supplied with it and all labels. Be sure you understand YAMAHA MOTOR CO.,LTD. each item before operating. Do not overpower the boat with this out- Motorfamilie board motor.

  • Page 8: Important Labels

    Avoid blocking exhaust outlets. Never illegally discard (dump) the product. Check throttle, shift, and steering for prop- Yamaha recommends consulting the deal- er operation before starting the engine. er on discarding the product. Attach the engine stop switch lanyard to a...

  • Page 9: Caution Labels

    General information while engine is running. EMU25540 Fueling instructions EMU25431 EWM00010 Label WARNING EWM01300 WARNING GASOLINE AND ITS VAPORS ARE HIGH- LY FLAMMABLE AND EXPLOSIVE! This engine is equipped with a neutral Do not smoke when refueling, and keep starting device. away from sparks, flames, or other The engine will not start unless the shift sources of ignition.

  • Page 10: Gasoline

    Engine speed depends on the propeller size and boat load. If engine speed is too high or too low for good engine performance, this will have an adverse effect on the engine. Yamaha outboard motors are fitted with pro-...

  • Page 11: Start-In-Gear Protection

    Conversely, a larger-pitch propeller is more suitable for a smaller oper- ating load. Yamaha dealers stock a range of propellers, and can advise you and install a propeller on your outboard that is best suited to your ap- plication.

  • Page 12: Basic Components

    Basic components EMU25797 Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. ZMU04483 1. Top cowling 15. Clamp screw 2. Top cowling lock lever 16. Rope attachment 3.

  • Page 13: Fuel Tank

    Basic components its dedicated fuel reservoir and must not EMU25841 Fuel gauge be used as a fuel storage container. Com- This gauge is located on either the fuel tank mercial users should conform to relevant cap or on the fuel joint base. It shows the ap- licensing or approval authority regula- proximate amount of fuel remaining in the tions.

  • Page 14: Open

    Basic components ZMU02652 ZMU02659 1. “OPEN” position for the portable tank 1. Close position EMU25911 EMU25901 Tiller handle Open To change direction, move the tiller handle to The fuel cock has two open positions, one for the left or right as necessary. selecting fuel flow from the built-in fuel tank, and one for an external tank.

  • Page 15: Throttle Grip

    Basic components ZMU02665 ZMU02663 1. Throttle indicator 1. Forward “ ” 2. Neutral “ ” EMU25971 3. Reverse “ ” Throttle friction adjuster A friction device provides adjustable resis- EMU25941 tance to movement of the throttle grip or the Throttle grip remote control lever, and can be set accord- The throttle grip is on the tiller handle.

  • Page 16: Engine Stop Lanyard Switch

    Basic components EMU25990 Engine stop lanyard switch The lock plate must be attached to the en- gine stop switch for the engine to run. The lanyard should be attached to a secure place on the operator’s clothing, or arm or leg. Should the operator fall overboard or leave the helm, the lanyard will pull out the lock plate, stopping ignition to the engine.

  • Page 17: Manual Starter Handle

    Basic components EMU26070 difficult to steer, which could result in an Manual starter handle accident. To start the engine, first gently pull the han- EMU26261 dle out until resistance is felt. From that posi- Trim rod (tilt pin) tion, then pull the handle straight out quickly The position of the trim rod determines the to crank the engine.

  • Page 18: Top Cowling Lock Lever (Pull Up Type)

    Basic components EMU26450 Carrying handle A carrying handle is provided on the rear of the outboard motor. It enables you to carry the outboard motor easily with one hand. ZMU02674 EMU26382 Top cowling lock lever (pull up type) To remove the engine top cowling, pull up the lock lever(s) and lift off the cowling.

  • Page 19: Operation

    Operation EMU26901 specific boat and motor combination. Installation EWM00830 ECM00110 WARNING CAUTION: Improper mounting of the outboard mo- Incorrect engine height or obstructions tor could result in hazardous conditions to smooth water flow (such as the design such as poor handling, loss of control, or or condition of the boat, or accessories fire hazards.

  • Page 20: Clamping The Outboard Motor

    Other- termine the optimum mounting height. wise the engine could be completely lost Consult your Yamaha dealer or boat man- if it accidentally falls off the transom. ufacturer for further information on deter- mining the proper mounting height.

  • Page 21: Breaking In Engine

    ECM00800 CAUTION: Check fuel line connections to be sure they Failure to follow the break-in procedure are tight (if equipped Yamaha fuel tank or could result in reduced engine life or boat tank). even severe engine damage. Be sure the fuel tank is positioned on a se-...

  • Page 22: Controls

    Operation EMU27130 Controls Check throttle, shift, and steering for prop- er operation before starting the engine. The controls should work smoothly, with- out binding or unusual free play. Look for loose or damaged connections. Check operation of the starter and stop switches when the outboard motor is in the water.

  • Page 23: Operating Engine

    Operation water near you. When the air vent screw is loosened, gasoline vapor will be released. Gaso- line is highly flammable, and its vapors are flammable and explosive. Refrain from smoking, and keep away from open flames and sparks while loosen- ing the air vent screw.

  • Page 24: Starting Engine

    Operation ZMU02894 ZMU02681 EMU27490 Starting engine EMU30860 Manual start models (tiller control) Place the gear shift lever in neutral. ZMU02680 If you are using an external fuel tank, connect the fuel joints securely and squeeze the primer pump with the outlet ZMU02682 end up until you feel it become firm (if equipped the fuel joint).
  • Page 25 Operation lanyard where it could become entan- gled, preventing it from functioning. Avoid accidentally pulling the lanyard during normal operation. Loss of en- gine power means the loss of most steering control. Also, without engine power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward.

  • Page 26: Warming Up Engine

    NOTE: the lower case or the cooling water pilot When the engine is cold, it needs to be hole is blocked. Consult your Yamaha warmed up. For further information, see dealer if the problem cannot be located page 21.

  • Page 27: Forward (Tiller Handle And Remote Control Models)

    Operation EMU27764 an accident. Forward (tiller handle and remote Place the throttle grip in the fully closed control models) position. Tiller handle models Place the throttle grip in the fully closed position. ZMU02685 Move the gear shift lever quickly and ZMU02685 firmly from neutral to reverse.

  • Page 28: Trimming Outboard Motor

    Operation until the engine comes to a complete stop. ZMU02689 NOTE: ZMU02668 If the outboard motor is equipped with an en- After stopping the engine, tighten the air gine stop switch lanyard, the engine can also vent screw on the fuel tank cap and set be stopped by pulling the lanyard and remov- the fuel cock lever or knob to the closed ing the lock plate from the engine stop...

  • Page 29: Adjusting Trim Angle For Manual Tilt Models

    Operation ZMU02691 1. Trim rod Reposition the rod in the desired hole. To raise the bow (“trim-out”), move the rod away from the transom. To lower the bow (“trim-in”), move the rod to- ward the transom. Make test runs with the trim set to different angles to find the position that works best for ZMU02690 your boat and operating conditions.

  • Page 30: Tilting Up And Down

    Operation the boat is up about 3 to 5 degrees. With the and making it hard to increase speed. Oper- bow up, the boat may have a greater tenden- ating with excessive trim-in at higher speeds cy to steer to one side or the other. Compen- also makes the boat unstable.

  • Page 31: Procedure For Tilting Up (Manual Tilt Models)

    Operation when in reverse or when the outboard motor is turned 180° (facing the rear). EMU27964 Procedure for tilting up (manual tilt models) Place the gear shift lever in neutral (if equipped) and face the outboard motor forward. ZMU02692 EWM00220 WARNING Be sure all people are clear of the out- board motor when tilting up and down,...

  • Page 32: Procedure For Tilting Down (Manual Tilt Models)

    Operation ZMU02694 Tilt support knob equipped models: Hold the rear of the top cowling with one hand, fully tilt the outboard motor up, and push the tilt support knob into the clamp bracket. Tilt support lever equipped models: Hold the rear handle and tilt the engine up ful- ly until the tilt support lever automatically locks.

  • Page 33: Cruising In Shallow Water

    Operation EMU28071 Cruising in shallow water (manual tilt models) EWM00710 WARNING Place the gear shift in neutral before us- ing the shallow water cruising system. Run the boat at the lowest possible speed when using the shallow water cruising system. The tilt lock mecha- ZMU02673 nism does not work while the shallow If equipped with the tilt support knob:...

  • Page 34: Cruising In Other Conditions

    Cruising in turbid water the lock position to support the engine. Yamaha strongly recommends that you use the optional chromium-plated water pump kit (not available for some models) if you use the outboard motor in turbid or muddy water conditions.

  • Page 35: Maintenance

    Maintenance 59.0 × 41.0 mm (2.32 × 1.61 in) EMU31480 Specifications Ignition system: NOTE: Spark plug (NGK): “(AL)” stated in the specification data below BR6HS represents the numerical value for the alumi- Spark plug gap: num propeller installed. 0.6–0.7 mm (0.024–0.028 in) Likewise, “(SUS)”...

  • Page 36: Transporting And Storing Outboard Motor

    Spark plug: sition using a motor support device such as 25.0 Nm (18.4 ft-lb) (2.55 kgf-m) a transom saver bar. Consult your Yamaha Engine oil drain bolt: dealer for further details. 18.0 Nm (13.3 ft-lb) (1.84 kgf-m)

  • Page 37: Storing Outboard Motor

    Maintenance serviced by an authorized Yamaha dealer prior to storage. However, you, the owner, with a minimum of tools, can perform the fol- lowing procedures. ECM01080 CAUTION: To prevent problems which can be caused by oil entering the cylinder from...
  • Page 38 Maintenance Tighten the air vent screw, if equipped. Run the engine at a fast idle for a few Remove the engine top cowling and si- minutes in neutral position. lencer cover. Just prior to turning off the engine, quick- Install the outboard motor on the test ly spray “Fogging Oil”...

  • Page 39: Lubrication (Except Oil Injection Models)

    Change the gear oil. For instructions, iar with machine servicing, this work see page 43. Inspect the oil for the pres- should be done by your Yamaha dealer or ence of water that indicates a leaky seal. other qualified mechanic.

  • Page 40: Maintenance Chart

    When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use. The “ ” symbol indicates the check-ups which you may carry out yourself. The “ ” symbol indicates work to be carried out by your Yamaha dealer. Initial Every 50 hours Item...

  • Page 41: Maintenance Chart (Additional)

    Maintenance Initial Every 50 hours Item Actions 10 hours hours (6 hours (1 (1 month) months) months) year) Engine oil Inspection / change Cleaning / adjustment / Spark plug(s) replacement Valve clearance (OHC, Inspection / adjustment OHV) EMU28874 Maintenance chart (additional) Every Item Actions...

  • Page 42: Greasing

    Maintenance EMU28940 Greasing Yamaha grease A (water resistant grease) Yamaha grease D (corrosion resistant grease; for propeller shaft) ZMU02706 EMU28952 fire. Cleaning and adjusting spark plug The spark plug is an important engine com- EWM00560 ponent and is easy to inspect. The condition...

  • Page 43: Checking Fuel System

    Improper repairs can make the outboard unsafe to operate. Check the fuel lines for leaks, crack, or mal- function. If a problem is found, your Yamaha dealer or other qualified mechanic should re- 1. Spark plug gap pair it immediately.

  • Page 44: Checking Fuel Filter

    For re- ifying the idle speed, or the idle speed re- placement of the fuel filter, consult your quires adjustment, consult a Yamaha dealer Yamaha dealer. or other qualified mechanic. Verify whether the idle speed is set to specification.
  • Page 45 Maintenance is hot and should be handled with care while holding the container under the to avoid burns. drain hole. Then remove the oil filler cap. Be sure the outboard motor is securely Let the oil drain completely. Wipe up any fastened to the transom or a stable spilled oil immediately.

  • Page 46: Checking Wiring And Connectors

    EMU29140 Engine oil leakage Check for oil leaks on the around the engine. NOTE: If any leaks are found, consult your Yamaha ZMU02677 dealer. 1. Oil filler cap EMU29171 Checking propeller...

  • Page 47: Removing The Propeller

    Maintenance NOTE: If the shear pin equipped: it is designed to break if the propeller hits a hard underwater obstacle to help protect the propeller and drive mechanism. The propeller will then spin freely on the shaft. If this happens, the shear pin must be replaced.

  • Page 48: Changing Gear Oil

    Severe injury could eration and be lost. occur if the outboard motor accidental- ly falls. Apply Yamaha marine grease or a cor- rosion resistant grease to the propeller Tilt the outboard motor so that the gear shaft.

  • Page 49: Cleaning Fuel Tank

    EMU29312 Inspecting and replacing anode(s) If you have any question about properly Yamaha outboard motors are protected from doing this procedure, consult your corrosion by sacrificial anodes. Inspect the Yamaha dealer. external anodes periodically. Remove scales...

  • Page 50: Checking Top Cowling

    Maintenance from the surfaces of the anodes. Consult a EMU29400 Coating the boat bottom Yamaha dealer for replacement of external A clean hull improves boat performance. The anodes. boat bottom should be kept as clean of ma- ECM00720 CAUTION: rine growth as possible. If necessary, the...

  • Page 51: Trouble Recovery

    Q. Has fuel pump malfunctioned? If your outboard motor requires repair, bring A. Have serviced by a Yamaha dealer. it to your Yamaha dealer. If the engine trouble warning indicator is Q. Are spark plug(s) fouled or of incorrect flashing, consult your Yamaha dealer.
  • Page 52 Q. Is fuel contaminated or stale? A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? A. Have serviced by a Yamaha dealer. Q. Is fuel filter clogged? A. Clean or replace filter. Q. Is fuel joint connection incorrect? A.
  • Page 53 Trouble Recovery A. Have serviced by a Yamaha dealer. Q. Are weeds or other foreign matter tangled on gear housing? Q. Is load on boat improperly distributed? A. Remove foreign matter and clean lower A. Distribute load to place boat on an even unit.

  • Page 54: Temporary Action In Emergency

    A. Tighten bolt. er), the engine can be started with an emer- gency starter rope. Q. Is steering pivot loose or damaged? EWM01021 A. Tighten or have serviced by a Yamaha WARNING dealer. Use this procedure only in an emergen- EMU29432...

  • Page 55: Emergency Starting Engine

    Trouble Recovery could result in an accident. tacted with the silencer by pushing it in- Attach the engine stop switch lanyard side. to a secure place on your clothing, or your arm or leg while operating the boat. Do not attach the lanyard to clothing that could tear loose.

  • Page 56: Treatment Of Submerged Motor

    Treatment of submerged motor tached to the engine stop switch. If the outboard motor is submerged, immedi- ately take it to a Yamaha dealer. Otherwise some corrosion may begin almost immedi- ately. If you cannot immediately take the outboard...
  • Page 57 ZMU02725 Take the outboard motor to a Yamaha dealer as soon as possible. ECM00400 CAUTION: Do not attempt to run the outboard motor...
  • Page 58 YAMAHA MOTOR CO., LTD. Printed in France April 2006–0.1 × 1 !

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