Yamaha 8 Owner's Manual
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Yamaha 8 Owner's Manual

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8
OWNER'S MANUAL
U.S.A.Edition
LIT-18626-06-91
6M8-F8199-1B

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  • Page 1 OWNER’S MANUAL U.S.A.Edition LIT-18626-06-91 6M8-F8199-1B...
  • Page 2 EMU25060 ZMU01690 Read this owner’s manual carefully before operating your outboard motor.

  • Page 3: Important Manual Information

    EMU25130 tain maximum enjoyment from your new Yamaha. If you have any question about the operation or maintenance of your outboard motor, please consult a Yamaha dealer. In this Owner’s Manual particularly important OWNER’S MANUAL...

  • Page 4: Table Of Contents

    Feeding fuel (portable tank) .... 20 Fueling instructions ......7 Starting engine ........ 21 Gasoline ..........8 Warming up engine....... 23 Engine oil .......... 8 Choke start models ......23 Propeller selection......8 Shifting .......... 23 Start-in-gear protection ....9 Forward (tiller handle and remote Basic components ......
  • Page 5 Treatment of submerged motor..50 Procedure ........50 Consumer information....52 Important warranty information for U.S.A. and Canada ..... 52 YAMAHA MOTOR CORPORATION, U.S.A. OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY ..54 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE...

  • 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 reference in case your outboard motor is sto- len. ZMU02839 1.

  • Page 7: Safety Information

    General information Do not modify the outboard. Modifications could make the motor unfit or unsafe to use. Incorrect propeller selection and incorrect use may not only cause engine damage, but also adversely affect fuel consumption. Consult your dealer for correct use. Never operate after drinking alcohol or tak- ing drugs.

  • Page 8: Important Labels

    If nec- essary, verify the necessary replacement procedure with the dealer. Never illegally discard (dump) the product. Yamaha recommends consulting the deal- er on discarding the product. ZMU02842 Be informed about boating safety. Additional...

  • Page 9: Basic Boating Rules (Rules Of The Road)

    General information starting engine. (except 2HP) way; it is called the “stand-on” vessel. The Do not touch or remove electrical parts vessel which does not have the right-of-way when starting or during operation. is called the “give-way” or “burdened” vessel. Keep hands, hair, and clothes away These rules determine which vessel has the from flywheel and other rotating parts...
  • Page 10 General information could lead to a collision unless the Steering Rules are followed: Meeting: (you are approaching another ves- sel head-on) Crossing: (you are traveling across the oth- er vessel’s path) Overtaking: (you are passing or being passed by another vessel) In the following illustration, your boat is in the center.

  • Page 11: Other Special Situations

    General information EMU25530 Reading buoys and other markers Other special situations The waters of the United states are marked There are three other rules you should be for safe navigation by the lateral system of aware of when driving your boat around oth- buoyage.

  • Page 12: Fueling Instructions

    General information ZMU01708 EMU25540 away from sparks, flames, or other Fueling instructions sources of ignition. EWM00010 Stop engine before refueling. WARNING Refuel in a well-ventilated area. Refuel GASOLINE AND ITS VAPORS ARE HIGH- portable fuel tanks off the boat. LY FLAMMABLE AND EXPLOSIVE! Take care not to spill gasoline.

  • Page 13: Gasoline

    Yamaha outboard motors are fitted with pro- EMU25570 pellers chosen to perform well over a range Gasoline of applications, but there may be uses where...

  • Page 14: Start-In-Gear Protection

    For instructions on propeller removal and in- stallation, see page 40. 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...

  • Page 15: Basic Components

    6. Clamp screw fuel tank, its function is as follows. 7. Cooling water inlet EWM00020 WARNING 8. Anti-cavitation plate 9. Trim rod The fuel tank supplied with this engine is 10. Shallow water lever its dedicated fuel reservoir and must not 11.

  • Page 16: Fuel Joint

    Basic components tions. ZMU02846 ZMU01992 EMU25922 Gear shift lever 1. Air vent screw Pulling the gear shift lever towards you puts 2. Fuel gauge the engine in forward gear so that the boat 3. Fuel joint moves ahead. Pushing the lever away from 4.

  • Page 17: Throttle Indicator

    Basic components there is too much resistance, it could be difficult to move the remote control lever or throttle grip, which could result in an accident. ZMU02848 EMU25961 Throttle indicator The fuel consumption curve on the throttle indicator shows the relative amount of fuel ZMU02850 consumed for each throttle position.

  • Page 18: Engine Stop Button

    Basic components power, the boat could slow rapidly. This could cause people and objects in the boat to be thrown forward. NOTE: The engine cannot be started with the lock plate removed. ZMU02860 EMU26070 Manual starter handle To start the engine, first gently pull the han- dle out until resistance is felt.

  • Page 19: Trim Rod (Tilt Pin)

    Basic components ZMU04508 ZMU02854 To increase resistance, turn the adjuster EMU26320 Tilt support knob clockwise. To keep the outboard motor in the tilted up To decrease resistance, turn the adjuster position, push the tilt support knob under the counterclockwise. swivel bracket. EWM00040 WARNING Do not overtighten the friction adjuster.
  • Page 20 Basic components ZMU02862 1. Top cowling lock lever(s)

  • Page 21: 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 22: 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 23: Breaking In Engine

    Operation board (if packed). For details, consult EMU27050 Gasoline and engine oil mixing chart your Yamaha dealer. (25:1) EWM00650 WARNING Avoid using bolts, nuts or washers other than those contained in the engine pack- aging. If used, they must be of at least the same quality of material and strength and must be tightened securely.

  • Page 24: Preoperation Checks

    Fuel tank capacity (if equipped Yamaha Check fuel line connections to be sure they fuel tank): are tight (if equipped Yamaha fuel tank or 12 L (3.17 US gal) (2.64 Imp.gal) boat tank). Be sure the fuel tank is positioned on a se-...

  • Page 25: Operating Engine

    Operation Pour oil into the portable fuel tank, and built-in fuel tank. then add gasoline. ECM00810 CAUTION: Avoid using any oil other than the spec- ified type. Use a thoroughly blended fuel-oil mix- ture. If the mixture is not thoroughly mixed, or if the mixing ratio is incorrect, the following problems could occur.

  • Page 26: Starting Engine

    Operation brain damage or death when inhaled. If a steering friction adjuster is provided Symptoms include nausea, dizziness, on your outboard motor, securely attach and drowsiness. Keep cockpit and cab- the fuel line to the fuel line clamp. in areas well ventilated. Avoid blocking NOTE: exhaust outlets.
  • Page 27 Operation arm or leg. Then install the lock plate on Pull out / turn the choke knob fully. After the other end of the lanyard into the en- the engine starts, replace / return the gine stop switch. knob to the home position. EWM00120 WARNING Attach the engine stop switch lanyard...

  • Page 28: Warming Up Engine

    ZMU02856 repeat the procedure. If the engine fails to start after 4 or 5 tries, open the throttle a EMU27740 small amount (between 1/8 and 1/4) and Shifting try again. Also if the engine is warm and EWM00180 fails to start, open the throttle a same WARNING amount and try to start the engine again.

  • Page 29: Reverse (Manual Tilt And Hydro Tilt Models)

    Operation ZMU02030 ZMU02030 Move the gear shift lever quickly and On models equipped with a tilt lock le- firmly from neutral to forward. ver, check that it is in the lock/down po- sition. Move the gear shift lever quickly and firmly from neutral to reverse.

  • Page 30: Trimming Outboard Motor

    Operation until the engine comes to a complete be stopped by pulling the lanyard and remov- stop. ing the lock plate from the engine stop switch. EMU27861 Trimming outboard motor The trim angle of the outboard motor helps determine the position of the bow of the boat in the water.

  • Page 31: Adjusting Trim Angle For Manual Tilt Models

    Operation ZMU02859 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 ZMU02858 your boat and operating conditions.

  • Page 32: 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 33: Procedure For Tilting Up (Manual Tilt Models)

    Operation will be tilted for more than a few minutes. Otherwise fuel may leak. ECM00231 CAUTION: Before tilting the outboard motor, fol- low the procedure under “Stopping en- gine” in this chapter. Never tilt the outboard motor while the engine is run- ning.

  • Page 34: Procedure For Tilting Down (Manual Tilt Models)

    Operation EMU28013 verse. Too much reverse thrust can Procedure for tilting down (manual cause the outboard motor to lift out of tilt models) the water, increasing the chance of ac- Slightly tilt the engine up. cident and personal injury. On models equipped with a tilt support Return the outboard motor to its normal knob, pull it out.

  • Page 35: Cruising In Other Conditions

    For cooling system flushing instructions, see page 32. Cruising in turbid water 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...

  • Page 36: Maintenance

    Full throttle operating range: Fuel tank capacity: 4500–5500 r/min 12 L (3.17 US gal) (2.64 Imp.gal) Maximum output: Recommended engine oil: 5.9 kW@5000 r/min (8 HP@5000 r/ YAMALUBE 2-stroke outboard motor min) Idling speed (in neutral): Lubrication: 900 ±50 r/min...

  • Page 37: Transporting And Storing Outboard Motor

    However, you, the owner, sition using a motor support device such as with a minimum of tools, can perform the fol- a transom saver bar. Consult your Yamaha dealer for further details.

  • Page 38: Procedure

    12-00) to each gallon of fuel. Before starting the engine, be sure to NOTE: supply water to the cooling water passag- The use of “Yamaha Fuel Conditioner and Stabilizer” eliminates the need to drain the ECM00290 fuel system. Consult your Yamaha dealer or...

  • Page 39: Lubrication

    If you or the owner is not famil- Wash down the exterior of the outboard iar with machine servicing, this work should be done by your Yamaha dealer or motor with fresh water and dry off com- pletely. other qualified mechanic.

  • Page 40: Replacement Parts

    EMU28510 Replacement parts If replacement parts are necessary, use only genuine Yamaha parts or parts of the same type and of equivalent strength and materi- als. Any part of inferior quality may malfunc- tion, and the resulting loss of control could endanger the operator and passengers.

  • Page 41: 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 42: Greasing

    Maintenance EMU28931 Greasing Yamaha marine grease (Water resistant grease) ZMU02872 fire. EMU28952 Cleaning and adjusting spark plug The spark plug is an important engine com- EWM00560 ponent and is easy to inspect. The condition WARNING of the spark plug can indicate something When removing or installing a spark plug, about the condition of the engine.

  • 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 1. Spark plug gap dealer or other qualified mechanic should re- 2. Spark plug I.D. mark (NGK) 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: Exhaust Leakage

    Maintenance turning. ZMU02875 ZMU02876 EMU29120 Exhaust leakage Start the engine and check that no exhaust leaks from the joints between the exhaust cover, cylinder head, and body cylinder. EMU29130 Water leakage Start the engine and check that no water leaks from the joints between the exhaust cover, cylinder head, and body cylinder.

  • Page 46: Removing The Propeller

    The propeller will then spin freely on the shaft. If this happens, the Apply Yamaha marine grease or a cor- shear pin must be replaced. rosion resistant grease to the propeller shaft.

  • Page 47: Cleaning Fuel Tank

    Maintenance stand. You could be severely injured if damage. Consult a Yamaha dealer for re- the outboard motor falls on you. pair of the lower unit seals. Never get under the lower unit while it NOTE: is tilted, even when the tilt support lever For disposal of used oil, consult your or knob is locked.

  • Page 48: Inspecting And Replacing Anode(S)

    Consult a when cleaning the fuel tank. Yamaha dealer for replacement of external Remove the fuel tank from the boat be- anodes. fore cleaning it. Work only outdoors in...

  • Page 49: Coating The Boat Bottom

    Maintenance EMU29400 Coating the boat bottom A clean hull improves boat performance. The boat bottom should be kept as clean of ma- rine growth as possible. If necessary, the boat bottom can be coated with an anti-foul- ing paint approved for your area to inhibit marine growth.

  • Page 50: 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 51 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 52 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 53: 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 54: Emergency Starting Engine

    Trouble Recovery could result in an accident. Attach the engine stop switch lanyard 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. Do not route the cord where it could become entangled, preventing it from functioning.

  • Page 55: Treatment Of Submerged Motor

    Treatment of submerged motor emergency starter rope. 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 56 Trouble Recovery Take the outboard motor to a Yamaha dealer as soon as possible. ECM00400 CAUTION: Do not attempt to run the outboard motor until it has been completely inspected.

  • Page 57: Consumer Information

    Consumer information EMU29811 Important warranty information for U.S.A. and Canada...
  • Page 58 Consumer information...

  • Page 59: Yamaha Motor Corporation, U.s.a. Outboard Motor Two Year Limited Warranty

    Consumer information EMU29820 YAMAHA MOTOR CORPORATION, U.S.A. OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY...
  • Page 60 Consumer information...
  • Page 61 Consumer information...

  • Page 62: Important Warranty Information If You Use Your Yamaha Outside The

    Consumer information EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA...
  • Page 64 Printed in France April 2006–0.5 × 1 !

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