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Related Manuals for Yamaha 8D
Summary of Contents for Yamaha 8D
- Page 1 OWNER’S MANUAL U.S.A.Edition LIT-18626-05-81 6M8-F8199-18...
- Page 2 EMU25060 ZMU01690 Read this owner’s manual carefully before operating your outboard motor.
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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
Table of contents General information ......1 Breaking in engine ......18 Gasoline and engine oil mixing Identification numbers record..1 chart (25:1)........18 Outboard motor serial number ..1 Procedure for pre-mixed models ..18 Emission control information ... 1 Preoperation checks ..... - Page 5 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 U.S.A. OR CANADA ....57...
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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. Never operate after drinking alcohol or tak- ing drugs. About 50% of all boating fatali- ties involve intoxication. Have an approved personal flotation de- vice (PFD) on board for every occupant. -
Page 8: Important Labels
General information a Float Plan with a responsible person. Be EMU25380 Important labels sure to cancel the Float Plan when you re- EMU25395 turn. Warning labels Use common sense and good judgment when boating. Know your abilities, and be sure you understand how your boat han- dles under the different boating conditions you may encounter. -
Page 9: Basic Boating Rules (Rules Of The Road)
General information starting device. vessel will be able to determine how best to The engine will not start unless the shift avoid you. control is in neutral position. Give-way vessel The vessel which does not have the right-of- EMU25500 way has the duty to take positive and timely Basic boating rules (Rules of action to stay out of the way of the Stand-On the road) -
Page 10: Other Special Situations
General information Give-Way vessel). Any vessels in the shad- vessel is on your port (left) side, remember ed area must yield to you (they are the Give- that you should maintain course and direc- Way vessels). Both you and the meeting tion, provided the other vessel gives you the vessel must alter course to avoid each other. - Page 11 General information need to carry a portable air horn, available Many bodies of water used by boaters are from local marine supply stores. entirely within the boundaries of a particular Fishing vessel right-of-way state. The Uniform State Waterway Marking All vessels which are fishing with nets, lines System has been devised for these waters.
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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
Basic components EMU25795 Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. ZMU04490 1. Manual starter handle 15. Top cowling 2. Engine stop button/Engine stop lanyard 16. Fuel tank* switch 3. -
Page 16: Fuel Joint
Basic components tions. ZMU02846 ZMU01992 EMU25921 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 throttle lever or grip, which could result in an accident. ZMU02848 EMU25961 Throttle indicator The fuel consumption curve on the throttle ZMU02850 indicator shows the relative amount of fuel When constant speed is desired, tighten the consumed for each throttle position. -
Page 18: Engine Stop Button
Basic components 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. From that posi- tion, then pull the handle straight out quickly ZMU02851 to crank the engine. -
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)
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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
Close the cap securely after refueling. line fumes. Wipe up any spilled fuel. Check fuel line connections to be sure they are tight (if equipped Yamaha fuel tank or Fuel tank capacity (if equipped Yamaha boat tank). fuel tank): Be sure the fuel tank is positioned on a se-... -
Page 25: Gasoline And Oil Mixing (100:1)
Operation EMU27402 Replace the fuel can cap and close tight- Gasoline and oil mixing (100:1) Shake the fuel can to mix the fuel thor- Gasoline to engine oil ratio oughly. Break-in period See page 18 Make sure that the oil and gasoline are After break-in 100:1 mixed. -
Page 26: Starting Engine
Operation from the fuel tank. Squeeze the primer pump with the outlet end up until you feel it become firm. If there is a fuel joint on the motor, firmly connect the fuel line to the joint. Then firmly connect the other end of the fuel ZMU02025 line to the joint on the fuel tank. - Page 27 Operation to a secure place on your clothing, or your arm or leg while operating. Do not attach the lanyard to clothing that could tear loose. Do not route the lanyard where it could become entan- gled, preventing it from functioning. Avoid accidentally pulling the lanyard during normal operation.
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Page 28: Warming Up Engine
Operation could occur. Stop the engine and check whether the cooling water inlet on the lower case or the cooling water pilot hole is blocked. Consult your Yamaha dealer if the problem cannot be located and cor- rected. ZMU02030 NOTE: When the engine is cold, it needs to be warmed up. -
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. ECM00230 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
NOTE: For cooling system flushing instructions, see page 31. 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 36: Maintenance
Maintenance EMU28214 Gear positions: Specifications Forward-neutral-reverse Dimension: Gear ratio: Overall length: 2.08 (27/13) 802 mm (31.6 in) Trim and tilt system: Overall width: Manual tilt 343 mm (13.5 in) Propeller mark: Overall height S: 977 mm (38.5 in) Fuel and oil: Transom height S: Recommended fuel: 436 mm (17.2 in) -
Page 37: Clamp Screw Mounting Models
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 lowing procedures. dealer for further details. ECM01411... -
Page 38: Procedure
12-00) to each gallon of fuel. occur. NOTE: Cooling system flushing is essential to The use of “Yamaha Fuel Conditioner and prevent the cooling system from clog- Stabilizer” eliminates the need to drain the ging up with salt, sand, or dirt. In addi- fuel system. -
Page 39: Lubrication
Al- iar with machine servicing, this work so, do not spray near the silencer and ox- should be done by your Yamaha dealer or ygen sensor cover or into the engine. 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
Refer to the sections in this chapter for explanations 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 50 hours Item... -
Page 42: Greasing
Maintenance EMU28931 Greasing Yamaha marine grease (Water resistant grease) ZMU02872 fire. EMU28950 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
If not warmed up fully, the idle speed will measure higher than normal. If you have difficulty ver- ifying the idle speed, or the idle speed re- quires adjustment, consult a Yamaha dealer ZMU02874... -
Page 45: Checking Wiring And Connectors
Maintenance or other qualified mechanic. the main switch to “ ” (off) and re- move the key, and remove the lanyard Verify whether the idle speed is set to from the engine stop switch. Turn off specification. For idle speed specifica- the battery cut-off switch if your boat tions, see page 31. -
Page 46: Removing The Propeller
NOTE: eration and be lost. If the shear pin equipped: it is designed to Apply Yamaha marine grease or a cor- break if the propeller hits a hard underwater rosion resistant grease to the propeller obstacle to help protect the propeller and shaft. -
Page 47: Changing Gear Oil
You could be severely injured if the outboard motor falls on you. NOTE: Never get under the lower unit while it For disposal of used oil consult your Yamaha is tilted, even when the tilt support lever dealer. or knob is locked. Severe injury could... -
Page 48: Inspecting And Replacing Anode(S)
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 Keep away from sparks, cigarettes, from the surfaces of the anodes. -
Page 49: Coating The Boat Bottom
Maintenance ZMU02882 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.
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Page 53: Temporary Action In Emergency
(the engine cannot be cranked with the start- er), the engine can be started with an emer- Q. Is steering pivot loose or damaged? gency starter rope. A. Tighten or have serviced by a Yamaha EWM01020 dealer. WARNING Use this procedure only in an emergen- EMU29431 cy and only to return to port for repairs. -
Page 54: Emergency Starting Engine
Trouble Recovery your arm or leg while operating. 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. Avoid accidentally pulling the lanyard during normal operation. Loss of en- gine power means the loss of most steering control. -
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.
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Page 57: Consumer Information
Consumer information EMU29811 Important warranty information for U.S.A. and Canada... - Page 58 Consumer information...
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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...
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Page 62: 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 63 Printed in France April 2004–0.5 × 1 !