Yamaha F6D Ower's Manual
Yamaha F6D Ower's Manual

Yamaha F6D Ower's Manual

Outboard motor f6d; f8d; t8d
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F6D
F8D
T8D
OWNER'S MANUAL
U.S.A.Edition
LIT-18626-05-98
60R-F8199-10

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Summary of Contents for Yamaha F6D

  • Page 1 OWNER’S MANUAL U.S.A.Edition LIT-18626-05-98 60R-F8199-10...
  • Page 2 ZMU01690 Read this owner’s manual carefully before operating your outboard motor.
  • Page 3: Important Manual Information

    EMU25100 your machine and this manual. If there is any To the owner question concerning this manual, please con- Thank you for choosing a Yamaha outboard sult your Yamaha dealer. motor. This Owner’s Manual contains infor- NOTE: mation needed for proper operation, mainte- The F6MH, F8MH, T8PH, T8EH, T8PR and nance and care.
  • Page 4: Table Of Contents

    Table of contents Throttle indicator......17 General information ...... 1 Throttle friction adjuster ....17 Identification numbers record ..1 Engine stop lanyard switch... 18 Outboard motor serial number ..1 Engine stop button ....... 18 Key number ........1 Choke knob for pull type....
  • Page 5 Table of contents Forward (tiller handle and remote Replacement parts ....... 51 control models) ......33 Maintenance chart ......52 Reverse (manual tilt and hydro tilt Maintenance chart (additional) ..53 models) ........34 Greasing ........54 Stopping engine ......35 Cleaning and adjusting spark plug .........
  • Page 6 Procedure........72 Consumer information....74 Important warranty information for U.S.A. and Canada ... 74 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY ... 76 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA ....78...
  • Page 7: 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 reference in case your outboard motor is sto- EMU25190 Key number len.
  • Page 8: Star Labels

    General information New Technology; (4-stroke/HPDI) EM Manufactured: ZMU04346 EMU25272 Star labels 1. Approval label location Your outboard motor is labeled with a Califor- nia Air Resources Board (CARB) star label. See below for a description of your particular label. ZMU01699 EMU25261 Manufactured date label This label is attached to the clamp bracket or...
  • Page 9: Safety Information

    General information ZMU01702 ZMU01704 EMU25290 EMU25360 Two Stars—Very Low Emission The two-star label identifies engines that meet Safety information the Air Resources Board’s 2004 exhaust Before mounting or operating the outboard emission standards. Engines meeting these motor, read this entire manual. Reading it standards have 20% lower emissions than should give you an understanding of the One Star-Low-Emission engines.
  • Page 10: Important Labels

    General information everyone should wear PFDs when there Always watch carefully for swimmers during are potentially hazardous boating condi- the engine operation. tions. Stay away from swimming areas. Gasoline is highly flammable, and its va- When a swimmer is in the water near you pors are flammable and explosive.
  • Page 11: Caution Labels

    General information Do not touch or remove electrical parts when starting or during operation. Keep hands, hair, and clothes away from flywheel and other rotating parts while engine is running. EMU25431 Label EWM01300 WARNING This engine is equipped with a neutral starting device.
  • Page 12: Rules When Encountering Vessels

    General information Stand-on vessel Overtaking: (you are passing or being The vessel with the right-of-way has the duty passed by another vessel) to continue its course and speed, except to In the following illustration, your boat is in the avoid an immediate collision. When you main- center.
  • Page 13: Other Special Situations

    General information Crossing vessels, the operator should sound a pro- When two power driven vessels are crossing longed blast on the whistle (4 to 6 seconds). If each other’s path close enough to run the risk another vessel is around the bend, it too of collision, the vessel which has the other on should sound the whistle.
  • Page 14 General information 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.
  • Page 15: Fueling Instructions

    General information ZMU01708 EMU25540 Do not smoke when refueling, and keep Fueling instructions away from sparks, flames, or other EWM00010 sources of ignition. WARNING Stop engine before refueling. GASOLINE AND ITS VAPORS ARE HIGH- Refuel in a well-ventilated area. Refuel LY FLAMMABLE AND EXPLOSIVE! portable fuel tanks off the boat.
  • Page 16: Gasoline

    Gasohol containing ethanol can be used if ethanol content does not exceed 10% and the ECM01060 CAUTION: fuel meets minimum octane ratings. Yamaha does not recommended gasohol containing Do not use a battery that does not meet the methanol because it can cause fuel system specified capacity.
  • Page 17: Battery Specifications

    Install an optional Rectifier Regulator or use 2. Propeller pitch in inches 3. Type of propeller (propeller mark) 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.
  • Page 18: Start-In-Gear Protection

    For instructions on propeller removal and in- stallation, see page 59. 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.
  • Page 19: Basic Components

    Basic components EMU25795 Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all models. F6, F8 1. Top cowling 16.Clamp screw 2. Top cowling lock lever 17.Rope attachment 3. Anti-cavitation plate 18.Flushing device 4.
  • Page 20: Fuel Tank

    Basic components 1. Top cowling 21.Choke knob 2. Top cowling lock lever 22.Remote control box (side mount type)* 3. Anti-cavitation plate EMU25802 Fuel tank 4. Propeller If your model was equipped with a portable 5. Cooling water inlet 6. Drain screw fuel tank, its function is as follows.
  • Page 21: Fuel Joint

    Basic components ZMU01992 1. Power trim and tilt switch 1. Air vent screw 2. Remote control lever 2. Fuel gauge 3. Neutral interlock trigger 3. Fuel joint 4. Neutral throttle lever 4. Fuel tank cap 5. Main switch / choke switch EMU25830 Fuel joint 6.
  • Page 22: Neutral Interlock Trigger

    Basic components EMU26201 EMU26221 Neutral interlock trigger Choke switch To shift out of neutral, first pull the neutral in- To activate the choke system, press in the terlock trigger up. main switch while the key is turned to the “ ”...
  • Page 23: Throttle Grip

    Basic components 1. Forward “ ” 1. Throttle indicator 2. Neutral “ ” EMU25970 Throttle friction adjuster 3. Reverse “ ” A friction device provides adjustable resis- EMU25941 Throttle grip tance to movement of the throttle grip or the The throttle grip is on the tiller handle. Turn remote control lever, and can be set accord- the grip counterclockwise to increase speed ing to operator preference.
  • Page 24: Engine Stop Lanyard Switch

    Basic components NOTE: The engine cannot be started with the lock plate removed. When constant speed is desired, tighten the adjuster to maintain the desired throttle set- ting. EMU25990 Engine stop lanyard switch 1. Lanyard The lock plate must be attached to the engine 2.
  • Page 25: Choke Knob For Pull Type

    Basic components EMU26011 Choke knob for pull type To supply the engine with the rich fuel mixture required to start, pull out this knob. EMU26090 Main switch The main switch controls the ignition system; its operation is described below. “ ”...
  • Page 26: Steering Friction Adjuster

    Basic components tor up. Pressing the switch “ ” (down) tilts EMU26110 Steering friction adjuster the outboard motor down. When the switch is A friction device provides adjustable resis- released, the outboard motor will stop in its tance to the steering mechanism, and can be current position.
  • Page 27: Tilt Lock Mechanism

    Basic components EMU26312 Tilt lock mechanism The tilt lock mechanism is used to prevent the outboard motor from lifting out of the water when in reverse gear. EMU26360 Power tilt unit This unit tilts the outboard motor up and down and is controlled with the power tilt switch.
  • Page 28: Flushing Device

    Basic components 1. Warning indicator EMU26460 Flushing device EMU26501 Low oil pressure warning indicator This device is used to clean the cooling water If oil pressure drops too low, this indicator will passages of the motor using a garden hose flash.
  • Page 29: Warning System

    ECM00090 CAUTION: Do not continue to operate the engine if a warning device has activated. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU30164 Low oil pressure warning If the oil pressure drops too low, the warning device will activate.
  • Page 30: Operation

    Operation EMU26901 EWM00830 Installation WARNING ECM00110 Improper mounting of the outboard motor CAUTION: could result in hazardous conditions such Incorrect engine height or obstructions to as poor handling, loss of control, or fire smooth water flow (such as the design or hazards.
  • Page 31: Clamping The Outboard Motor

    Consult your mounting point on the boat. Otherwise Yamaha dealer or boat manufacturer for the engine could be completely lost if it further information on determining the prop- accidentally falls off the transom.
  • Page 32: Breaking In Engine

    Correct break-in will help en- line fumes. sure proper performance and longer engine Check fuel line connections to be sure they life. are tight (if equipped Yamaha fuel tank or ECM00800 CAUTION: boat tank). Failure to follow the break-in procedure...
  • Page 33: Engine

    Operation The controls should work smoothly, without 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. EMU27140 Engine Check the engine and engine mounting. Look for loose or damaged fasteners.
  • Page 34: Operating Engine

    Performance drops and engine wear increases dramatical- While many additives available may reduce deposits, Yamaha recommends the use of Ring Free Fuel Additive, available from your Yamaha dealer. Ring Free Fuel Additive has repeatedly proven its ability to clean com-...
  • Page 35: Starting Engine

    Operation If a steering friction adjuster is provided Attach the engine stop switch lanyard to on your outboard motor, securely attach a secure place on your clothing, or your the fuel line to the fuel line clamp. arm or leg. Then install the lock plate on the other end of the lanyard into the en- NOTE: gine stop switch.
  • Page 36 Operation Pull out / turn the choke knob fully. After After the engine starts, slowly return the the engine starts, replace / return the manual starter handle to its original posi- knob to the home position. tion before releasing it. Slowly return the throttle grip to the fully closed position.
  • Page 37 Operation Turn the main switch to “ ” (on). NOTE: The start-in-gear protection device prevents the engine from starting except when in neu- tral. Attach the engine stop switch lanyard to a secure place on your clothing, or your arm or leg. Then install the lock plate on the other end of the lanyard into the en- gine stop switch.
  • Page 38: Warming Up Engine

    Operation NOTE: On remote controls equipped with a neutral throttle lever, a good starting point is to lift the lever just until you feel resistance, then lift slightly more. The neutral throttle lever or free accelerator can only be used when the remote control lever is in neutral.
  • Page 39: Shifting

    Stop the engine and check whether the cooling water inlet on the low- er case or the cooling water pilot hole is blocked. Consult your Yamaha dealer if the problem cannot be located and cor- rected. ZMU02030 Move the gear shift lever quickly and firm- ly from neutral to forward.
  • Page 40: Reverse (Manual Tilt And Hydro Tilt Models)

    Operation Move the gear shift lever quickly and firm- EMU27795 Reverse (manual tilt and hydro tilt ly from neutral to reverse. models) EWM00190 WARNING When operating in reverse, go slowly. Do not open the throttle more than half. Other- wise the boat could become unstable, which could result in loss of control and an accident.
  • Page 41: Stopping Engine

    Operation Disconnect the fuel line if you are using EMU27820 Stopping engine an external fuel tank. Before stopping the engine, first let it cool off for a few minutes at idle or low speed. Stop- ping the engine immediately after operating at high speed is not recommended.
  • Page 42: Trimming Outboard Motor

    Operation After stopping the engine, disconnect the fuel line or close the fuel cock if there is a fuel joint or a fuel cock on the boat. Tighten the air vent screw on the fuel tank cap (if equipped). Remove the key if the boat will be left un- attended.
  • Page 43: Adjusting Trim Angle (Power Tilt Models)

    Operation Reposition the rod in the desired hole. Use the power tilt switch located on the To raise the bow (“trim-out”), move the rod bottom engine cowling (if equipped) away from the transom. only when the boat is at a complete stop To lower the bow (“trim-in”), move the rod to- with the engine off.
  • Page 44: Adjusting Boat Trim

    Operation mance further, and the boat may “porpoise” NOTE: (hop in the water), which could throw the op- Stay within the trim operating angle when erator and passengers overboard. trimming the outboard motor using the power tilt system. To raise the bow (“trim-out”), tilt the engine up. To lower the bow (“trim-in”), tilt the engine down.
  • Page 45: Procedure For Tilting Up (Manual Tilt Models)

    Operation ler and casing from damage by collision with Disconnect the fuel line from the out- obstructions, and also to reduce salt corro- board motor. sion. EWM00220 WARNING Be sure all people are clear of the out- board motor when tilting up and down, also be careful not to pinch any body parts between the drive unit and engine bracket.
  • Page 46: Procedure For Tilting Up

    Operation EMU28004 Push the tilt support knob into the clamp Procedure for tilting up bracket or pull the tilt support lever toward Power trim and tilt models / power tilt models you to support the engine. Place the remote control lever / the gear shift lever in neutral.
  • Page 47: Procedure For Tilting Down

    Operation ZMU01936 Slightly tilt the engine up until the tilt sup- port bar is automatically released. Slowly tilt the engine down. EMU28052 Procedure for tilting down Power trim and tilt models / power tilt models Push the power tilt / power trim and tilt switch “...
  • Page 48 Operation Run the boat at the lowest possible speed when using the shallow water cruising system. The tilt lock mecha- nism does not work while the shallow water cruising system is being used. Hit- ting an underwater obstacle could cause the outboard motor to lift out of the water, resulting in loss of control.
  • Page 49: Power Trim And Tilt Models / Power Tilt Models

    Operation To return the outboard motor to the nor- EMU28183 Procedure for power trim and tilt / power mal running position, place the gear shift tilt models lever in neutral, then place the tilt lock le- Place the gear shift lever in neutral. ver in the lock/down position.
  • Page 50: Cruising In Other Conditions

    NOTE: For cooling system flushing instructions, see page 46. Cruising in turbid water Yamaha strongly recommends that you use the optional chromium-plated water pump kit if you use the outboard motor in turbid (mud- dy) water conditions.
  • Page 51: Maintenance

    Maintenance EMU28213 Weight (AL) L: Specifications F6MHD 39.5 kg (87 lb) Dimension: F8MHD 39.5 kg (87 lb) T8EHD 46.5 kg (103 lb) Overall length: T8PRD 49.0 kg (108 lb) F6MHD 1038 mm (40.9 in) T8PHD 52.0 kg (115 lb) F8MHD 1038 mm (40.9 in) Weight (AL) X: T8PHD 1038 mm (40.9 in) T8EHD 47.5 kg (105 lb)
  • Page 52: Transporting And Storing Outboard Motor

    Maintenance Starting system: Recommended fuel: F6MHD Manual Unleaded regular gasoline F8MHD Manual Min. pump octane: T8PRD Electric T8PHD Electric Recommended engine oil: T8EHD Manual and electric 4-stroke outboard motor oil Starting carburetion system: Engine oil grade API: Choke valve API SE, SF, SG, SH, SJ Valve clearance (cold engine) IN: Engine oil type SAE: 0.15–0.20 mm (0.0059–0.0079 in)
  • Page 53: Clamp Screw Mounting Models

    EMU28235 It is advisable to have your outboard motor Clamp screw mounting models serviced by an authorized Yamaha dealer pri- When transporting or storing the outboard or to storage. However, you, the owner, with a motor while removed from a boat, keep the minimum of tools, can perform the following outboard motor in the attitude shown.
  • Page 54: Procedure

    00) to each gallon of fuel. starting the engine, be sure to supply wa- ter to the cooling water passages. NOTE: The use of “Yamaha Fuel Conditioner and ECM00290 Stabilizer” eliminates the need to drain the CAUTION: fuel system. Consult your Yamaha dealer or...
  • Page 55: Lubrication (Except Oil Injection Models)

    Wax the cowling with a non-abrasive wax hole of the silencer cover, if equipped. such as “Yamaha Silicone Wax” (Part No. When properly done, the engine will ACC-11000-15-02). smoke excessively and almost stall.
  • Page 56: Flushing Power Unit

    Maintenance Keep batteries away from fire, sparks, or open flames (for example: welding equipment, lighted cigarettes, and so on.) DO NOT SMOKE when charging or han- dling batteries. KEEP BATTERIES AND ELECTROLYTIC FLUID OUT OF REACH OF CHILDREN. Batteries vary among manufacturers. There- fore the following procedures may not always apply.
  • Page 57: Cleaning The Outboard Motor

    Yamaha dealer or better results. other qualified mechanic. For cooling system flushing instructions, see page 46.
  • Page 58: Maintenance Chart

    Refer to the sections in this chapter for expla- nations of each owner-specific action. 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 Item Actions...
  • Page 59: Maintenance Chart (Additional)

    Maintenance Initial Every Item Actions 10 hours 50 hours 100 hours 200 hours (1 month) (3 months) (6 months) (1 year) Valve clearance (OHC, Inspection / adjustment OHV) NOTE: When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use.
  • Page 60: Greasing

    Maintenance EMU28931 Greasing Yamaha marine grease (Water resistant grease)
  • Page 61: Cleaning And Adjusting Spark Plug

    Wipe off any agnose any problems yourself. Instead, take dirt from the threads and screw in the spark the outboard motor to a Yamaha dealer. You plug to the correct torque. should periodically remove and inspect the...
  • Page 62: Checking Fuel Filter

    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- pair it immediately. EMU29040...
  • Page 63: Changing Engine Oil

    If you have difficulty veri- fying the idle speed, or the idle speed requires adjustment, consult a Yamaha dealer or other qualified mechanic. Verify whether the idle speed is set to specification.
  • Page 64: Checking Wiring And Connectors

    Con- tinued operation with a problem could cause severe engine damage. Consult your Yamaha dealer if the problem cannot be located and corrected. EMU29120 Turn off the engine and wait 3 minutes.
  • Page 65: Water Leakage

    Tilt the outboard motor down. Check that Check for oil leaks on the around the engine. the trim and tilt rod operates smoothly. NOTE: NOTE: If any leaks are found, consult your Yamaha Consult your Yamaha dealer if any operation dealer. is abnormal. EMU29161...
  • Page 66: Removing The Propeller

    Maintenance EMU29193 Removing the propeller Straighten the cotter pin and pull it out us- ing a pair of pliers. Remove the propeller nut, washer, and spacer (if equipped). ZMU01897 Checkpoints Check each of the propeller blades for wear, erosion from cavitation or ventilation, or other damage.
  • Page 67: Installing The Propeller

    Apply Yamaha marine grease or a corro- sion resistant grease to the propeller Tilt the outboard motor so that the gear oil shaft.
  • Page 68: Cleaning Fuel Tank

    If you have any question about properly NOTE: doing this procedure, consult your For disposal of used oil consult your Yamaha Yamaha dealer. dealer. Keep away from sparks, cigarettes, flames, or other sources of ignition With the outboard motor in a vertical po- when cleaning the fuel tank.
  • Page 69: Inspecting And Replacing Anode(S)

    Do not paint anodes, as this would render them ineffective. NOTE: Inspect ground leads attached to external an- EMU29320 odes on equipped models. Consult a Yamaha Checking battery (for electric start dealer for inspection and replacement of inter- models) nal anodes attached to the power unit.
  • Page 70: Connecting The Battery

    (for example: welding the battery when it is low. equipment, lighted cigarettes, and so NOTE: on.) Consult a Yamaha dealer when charging or DO NOT SMOKE when charging or han- re-charging batteries. dling batteries. KEEP BATTERIES AND ELECTROLYTIC...
  • Page 71: Disconnecting The Battery

    EMU29390 Checking top cowling Check the fitting of the top cowling by pushing it with both hands. If it is loose have it repaired by your Yamaha dealer. EMU29400 Coating the boat bottom A clean hull improves boat performance. The boat bottom should be kept as clean of marine growth as possible.
  • Page 72: Trouble Recovery

    Yamaha outboard motors. Therefore Q. Has fuel pump malfunctioned? some items may not apply to your model. A. Have serviced by a Yamaha dealer. If your outboard motor requires repair, bring it to your Yamaha dealer. Q. Are spark plug(s) fouled or of incorrect...
  • Page 73 A. Return to normal operating position. A. Fill tank with clean, fresh fuel. Q. Is carburetor clogged? Q. Is fuel filter clogged? A. Have serviced by a Yamaha dealer. A. Clean or replace filter. Q. Is fuel joint connection incorrect? Q. Have ignition parts failed? A.
  • Page 74 Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or oth- A. Have serviced by a Yamaha dealer. er obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.
  • Page 75: Temporary Action In Emergency

    WARNING Q. Is steering pivot loose or damaged? Be sure to use the specified fuse. An in- A. Tighten or have serviced by a Yamaha correct fuse or a piece of wire could allow dealer. excessive current flow. This could cause electric system damage and a fire hazard.
  • Page 76: Power Trim And Tilt Will Not Operate

    Make sure the remote control lever is in NOTE: neutral. Otherwise the boat could unex- Consult your Yamaha dealer if the new fuse pectedly start to move, which could re- immediately blows again. sult in an accident.
  • Page 77 Trouble Recovery Remove the start-in-gear protection ca- ble from the starter, if equipped. ZMU01880 If equipped the choke knob, pull out it when the engine is cold. After the engine 1. Start-in-gear protection cable starts, gradually return the choke knob to Remove the starter/flywheel cover after its home position as the engine warms removing the bolt(s).
  • Page 78: Engine Fails To Operate

    Ignition system malfunction If the outboard motor is submerged, immedi- If the battery voltage is low or in the unlikely ately take it to a Yamaha dealer. Otherwise event of an ignition system malfunction, the some corrosion may begin almost immediate- engine speed may become erratic or the en- gine may stop.
  • Page 79 ZMU02077 Take the outboard motor to a Yamaha dealer as soon as possible. ECM00400 CAUTION: Do not attempt to run the outboard motor...
  • Page 80: Consumer Information

    Consumer information EMU29811 Important warranty information for U.S.A. and Canada...
  • Page 81 Consumer information...
  • Page 82: Yamaha Motor

    Consumer information EMU29830 YAMAHA MOTOR CORPORATION, U.S.A. FOUR-STROKE OUTBOARD MOTOR THREE-YEAR LIMITED WARRANTY...
  • Page 83 Consumer information...
  • Page 84: Important Warranty Information If You Use Your Yamaha Outside U.s.a. Or Canada

    Consumer information EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U.S.A. OR CANADA...
  • Page 85 YAMAHA MOTOR CORPORATION, USA Printed in France January 2004–0.3 × 1 CR...

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