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Yamaha 115D Owner's Manual

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115D
OWNER'S MANUAL
U.S.A.Edition
LIT-18626-05-89
6N6-28199-1B

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Summary of Contents for Yamaha 115D

  • Page 1 115D OWNER’S MANUAL U.S.A.Edition LIT-18626-05-89 6N6-28199-1B...
  • Page 2 EMU25060 ZMU01690 Read this owner’s manual carefully before operating your outboard motor.

  • Page 3: Important Manual Information

    EMU25110 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. 115D In this Owner’s Manual particularly important...

  • Page 4: Table Of Contents

    Table of contents General information ......1 indicators) ........17 Oil level indicator (digital type) ..17 Identification numbers record..1 Overheat warning indicator (digital Outboard motor serial number ..1 type) ..........17 Key number........1 Speedometer (digital type) ....17 Emission control information ...
  • Page 5 Periodic maintenance....45 IMPORTANT WARRANTY Replacement parts ......45 INFORMATION IF YOU USE Maintenance chart ......46 YOUR YAMAHA OUTSIDE Greasing ......... 48 U.S.A. OR CANADA ....73 Cleaning and adjusting spark plug .. 48 Checking fuel system ...... 49 Inspecting fuel filter ......

  • 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. 1. Key number...

  • Page 7: Safety Information

    General information should give you an understanding of the motor and its operation Before operating the boat, read any own- EMISSION CONTROL INFORMATION er’s or operator’s manuals supplied with it ENGINE FAMILY : THIS ENGINE CONFORMS TO 2001 U.S. EPA REGULATIONS FOR MARINE SI ENGINES. REFER TO THE OWNERS MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS.

  • Page 8: Important Labels

    General information er operation before starting the engine. National Marine Manufacturers Associa- Attach the engine stop switch lanyard cord tion (NMMA) to a secure place on your clothing, or your 401 N. Michigan Ave. arm or leg while operating. If you acciden- Chicago, Il 60611 tally leave the helm, the cord will pull from Marine Retailers Association of America...

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

    General information while engine is running. vessel which does not have the right-of-way is called the “give-way” or “burdened” vessel. EMU25451 These rules determine which vessel has the Label right-of-way, and what each vessel should ENGINE OIL ONLY Pour the engine oil into this oil tank, not Stand-on vessel gasoline.
  • Page 10 General information 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

    Gasohol containing ethanol can be used if ethanol content does not exceed 10% and the fuel meets minimum octane ratings. Yamaha does not recommended gasohol containing methanol because it can cause fuel system damage or engine performance problems.

  • Page 14: Battery Specifications

    Yamaha outboard motors are fitted with pro- pellers chosen to perform well over a range For instructions on propeller removal and in- of applications, but there may be uses where stallation, see page 53.

  • Page 15: Basic Components

    EMU25795 Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. 115D ZMU04764 1. Top cowling 15. Digital tachometer* 2. Power trim and tilt switch 16. Digital speedometer* 3.

  • Page 16: Remote Control Lever

    Basic components 6. Throttle 7. Fully open EMU26201 Neutral interlock trigger To shift out of neutral, first pull the neutral in- terlock trigger up. 1. Power trim and tilt switch 2. Remote control lever 3. Neutral interlock trigger 4. Neutral throttle lever 5.

  • Page 17: Choke Switch

    Basic components adjuster counterclockwise. EWM00030 WARNING Do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to move throttle lever or grip, which could result in an accident. 1. Fully open 2. Fully closed EMU26221 Choke switch To activate the choke system, press in the...

  • Page 18: Choke Knob For Pull Type

    Basic components during normal operation. Loss of en- “ ” (off) gine power means the loss of most With the main switch in the “ ” (off) posi- steering control. Also, without engine tion, the electrical circuits are off, and the key power, the boat could slow rapidly.

  • Page 19: Power Trim And Tilt Switch On Bottom Engine Cowling

    Basic components ZMU03517 EMU26151 NOTE: Power trim and tilt switch on bottom For instructions on using the power trim and engine cowling tilt switch, see page 36. The power trim and tilt switch is located on EMU26240 the side of the bottom engine cowling. Press- Trim tab with anode ing the switch “...

  • Page 20: Tilt Support Lever For Power Trim And Tilt Or Hydro Tilt Model

    Basic components EMU26400 Top cowling release lever The top cowling can be removed by operat- ing the cowling release lever. Pulling the front lever unlocks the top cowling for remov- ZMU02525 1. Trim tab 2. Bolt 3. Cap ZMU03518 When installing the top cowling: Set the top cowling straight down onto the engine, being careful to avoid catch- ing spark plug wires or other wires.

  • Page 21: Flushing Device

    Basic components cable is operating correctly before rein- stalling the top cowling. When the release lever is operated, both the front and rear cowling hooks should be released at the same time. If not, adjust the rear clamp cable adjust- ers.

  • Page 22: Oil Level Indicators

    Basic components EMU26540 Oil level indicators (three indicators) The indicators on the gauge show the status of the oil level. For details on how to read the indicators, see page 29. ECM00030 CAUTION: Do not operate the engine without oil. Se- rious engine damage will occur.

  • Page 23: Trim Meter

    Basic components 3. Selector switch (for fuel sensor) EMU26610 Trim meter This gauge shows the trim angle of your out- board motor. 1. Speedometer 2. Fuel gauge 3. Trip meter/clock/voltmeter 4. Warning indicator(s) ZMU04581 NOTE: After the main switch is first turned on, all NOTE: segments of the display come on as a test.

  • Page 24: Hour Meter (Digital Type)

    Basic components EMU26690 Trip meter This gauge displays the distance the boat has traveled since the gauge was last reset. Press the “ ” (mode) button repeatedly until the indicator on the face of the gauge points to “ ” (trip). To reset the trip meter to zero, press the “...

  • Page 25: Fuel Gauge

    Get back to the port within troll- ECM00860 ing engine speed. CAUTION: The Yamaha fuel tank sensor differs from conventional sensors. Incorrectly setting the selector switch on the gauge will give false readings. Consult your Yamaha dealer on how to correctly set the selec- tor switch.

  • Page 26: Warning System

    Do not continue to operate the engine if a ZMU04766 warning device has activated. Consult your Yamaha dealer if the problem can- The buzzer will sound (if equipped on the not be located and corrected. tiller handle, remote control box, or main switch panel).

  • Page 27: Oil Level Warning And Oil Filter Clogging Warning

    Basic components The buzzer will sound. ZMU02630 ZMU03025 EMU26843 Oil level warning and oil filter If the warning system has been activated, clogging warning stop the engine and check for the cause. Oil injection models NOTE: This engine has an oil level warning system. The warning for oil filter clogging is similar to If the oil level falls below the lower limit, the the warnings for low oil level and overheat-...
  • Page 28 Basic components ZMU01952 1. Oil filter...

  • Page 29: 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 30: Breaking In Engine

    Be sure to mix gasoline and oil complete- mine the optimum mounting height. Con- ly, otherwise the engine may be dam- sult your Yamaha dealer boat aged. manufacturer for further information on de- EMU30310 termining the proper mounting height.

  • Page 31: Preoperation Checks

    Operation throttle to 3000 r/min or less. are tight (if equipped Yamaha fuel tank or Second hour: boat tank). Accelerate at full throttle onto plane, Be sure the fuel tank is positioned on a se- then reduce engine speed to three-quar- cure, flat surface, and that the fuel line is ter throttle (approximately 4000 r/min).

  • Page 32: Filling Fuel And Engine Oil

    Yamaha recommends the use of Ring Free Fuel Additive, available from Be sure to take the above steps when op- your Yamaha dealer. Ring Free Fuel Addi- erating the engine after a long period of tive has repeatedly proven its ability to clean storage.
  • Page 33 5 liters (5.3 US qt, 4.4 Imp qt) of ZMU04142 oil should be kept in the remote oil tank. Turn on the main switch. The Yamaha Otherwise the oil-feed pump chamber will oil injection system will automatically not be filled with oil, and no oil will be feed oil from the remote oil tank to the supplied.

  • Page 34: Oil Level Indicator Operation

    Operation EMU27321 Oil level indicator operation The various functions of the oil level system are as follows: EMU27381 Oil level indicator Electric start models Oil level warning Oil level warning Engine oil Remote oil indicator indicator (analog Remarks tank tank (digital tachometer) tachometer)

  • Page 35: Operating Engine

    Operation EMU27450 Operating engine EMU27480 Feeding fuel EWM00420 WARNING Before starting the engine, make sure that the boat is tightly moored and that you can steer clear of any obstructions. Be sure there are no swimmers in the water near you. EMU27490 When the air vent screw is loosened, Starting engine...
  • Page 36 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 37: Warming Up Engine

    Immediately after the engine starts, re- lower case or the cooling water pilot hole lease the main switch and allow it to re- is blocked. Consult your Yamaha dealer if turn to “ ” (on). the problem cannot be located and cor- ECM00191 rected.

  • Page 38: Forward

    Operation EMU27763 lever quickly and firmly from neutral to Forward (tiller handle and remote reverse. control models) Tiller control models Place the throttle grip in the fully closed position. Move the gear shift lever quickly and firmly from neutral to forward. Remote control models Pull up the neutral interlock trigger (if equipped) and move the remote control...

  • Page 39: Trimming Outboard Motor

    Operation engine stop switch, then turning the main switch to “ ” (off). EMU27861 Trimming outboard motor The trim angle of the outboard motor helps determine the position of the bow of the boat in the water. Correct trim angle will help im- prove performance and fuel economy while reducing strain on the engine.

  • Page 40: Adjusting Boat Trim

    Operation Adjust the outboard motor trim angle using results in less drag, greater stability and effi- the power trim and tilt switch. ciency. This is generally when the keel line of the boat is up about 3 to 5 degrees. With the bow up, the boat may have a greater tenden- cy to steer to one side or the other.

  • Page 41: Tilting Up And Down

    Operation Bow Down bracket. Too much trim-in causes the boat to “plow” EWM00250 through the water, decreasing fuel economy WARNING and making it hard to increase speed. Oper- Leaking fuel is a fire hazard. If there is a ating with excessive trim-in at higher speeds fuel joint on the outboard motor, discon- also makes the boat unstable.

  • Page 42: Procedure For Tilting Down

    Operation from marine growth and corrosion which could damage the power trim and tilt mechanism. Push the tilt support knob into the clamp bracket or pull the tilt support lever to- ZMU03452 ward you to support the engine. EMU28052 Procedure for tilting down Power trim and tilt models / power tilt models Push the power tilt / power trim and tilt switch “...

  • Page 43: Cruising In Shallow Water

    Operation ting up for and cruising in shallow water. Otherwise severe damage from overheat- ing can result. EMU28183 Procedure for power trim and tilt / power tilt models Place the gear shift lever in neutral. ZMU01936 Slightly tilt the outboard motor up to the desired position using the power trim / tilt ZMU04147 switch.

  • Page 44: Cruising In Other Conditions

    NOTE: For cooling system flushing instructions, see page 41. 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 45: Maintenance

    Maintenance EMU28215 Remote control Specifications Starting system: Dimension: Electric Overall length: Starting carburetion system: 808 mm (31.8 in) Choke valve Overall width: Min. cold cranking amps (CCA/SAE): 582 mm (22.9 in) 380.0 A Overall height L: Min. marine cranking amps (MCA/ABYC): 1472 mm (58.0 in) 502.0 A Overall height X:...

  • Page 46: 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 Propeller nut: dealer for further details. 55.0 Nm (40.6 ft-lb) (5.61 kgf-m)
  • Page 47 Stabilizer” (Part No. LUB-FUELC- 12-00) to each gallon of fuel. NOTE: The use of “Yamaha Fuel Conditioner and Stabilizer” eliminates the need to drain the fuel system. Consult your Yamaha dealer or other qualified mechanic if the fuel system is to be drained instead.

  • Page 48: Lubrication (Oil Injection Models)

    Batteries also generate explosive hydro- seal. Seal replacement should be per- gen gas; therefore, you should always formed by an authorized Yamaha dealer follow these preventive measures: prior to use. Charge batteries in a well-ventilated ar- Grease all grease fittings.

  • Page 49: Flushing Power Unit

    Maintenance tilled water. and let the water flush through the cool- Store the battery on a level surface in a ing passages for about 15 minutes. Turn cool, dry, well-ventilated place out of di- off the water and disconnect the garden rect sunlight.

  • Page 50: Checking Painted Surface Of Motor

    If you or the owner is not famil- iar with machine servicing, this work should be done by your Yamaha dealer or other qualified mechanic. Maintenance, replacement, or repair of the emission control devices and sys- tems may be performed by any marine engine repair establishment or individual.

  • Page 51: 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 52 Maintenance Initial Every 50 hours Item Actions 10 hours hours (6 hours (1 (1 month) months) months) year) Cleaning / adjustment / Spark plug(s) replacement NOTE: When operating in salt water, turbid or muddy water, the engine should be flushed with clean water after each use.

  • Page 53: Greasing

    Maintenance EMU28931 Greasing Yamaha marine grease (Water resistant grease) 115D ZMU04149 sparks, which could lead to explosion or EMU28951 Cleaning and adjusting spark plug fire. EWM00560 The spark plug is an important engine com- WARNING ponent and is easy to inspect. The condition...

  • Page 54: Checking Fuel System

    Check the fuel lines for leaks, crack, or mal- 1. Spark plug gap function. If a problem is found, your Yamaha 2. Spark plug I.D. mark (NGK) dealer or other qualified mechanic should re- pair it immediately.

  • Page 55: Inspecting Fuel Filter

    If any water is found in the pors are flammable and explosive. If you have any question about properly fuel, the Yamaha portable fuel tank or other fuel tanks should be checked and doing this procedure, consult your Yamaha dealer.

  • Page 56: Inspecting Idling Speed

    If water or foreign matter is vis- 2-hp models: The propeller rotates ible in this trap, consult your Yamaha dealer. whenever the engine is running. Do not move the throttle control lever from the start position during warm-up.

  • Page 57: Exhaust Leakage

    Maintenance ZMU03458 ZMU03915 EMU29120 1. Tilt rod Exhaust leakage 2. Trim rods Start the engine and check that no exhaust leaks from the joints between the exhaust Use the tilt support lever to lock the mo- cover, cylinder head, and body cylinder. tor in the up position.

  • Page 58: Checking Propeller

    Unlock the tilt sup- port lever. ZMU01896 ZMU02635 Tilt the outboard motor down. Check that the tilt rod and trim rods operate smoothly. NOTE: Consult your Yamaha dealer if any operation is abnormal. EMU29171 Checking propeller ZMU01897 EWM00321 Checkpoints WARNING...

  • Page 59: 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 60: 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 61: Checking Battery (For Electric Start Models)

    Maintenance external anodes periodically. Remove scales contains sulfuric acid and therefore is from the surfaces of the anodes. Consult a poisonous and highly caustic. Yamaha dealer for replacement of external Always follow these preventive mea- anodes. sures: ECM00720 Avoid bodily contact with electrolytic...

  • Page 62: Connecting The Battery

    NOTE: Consult a Yamaha dealer when charging or 1. Red cable re-charging batteries. 2. Black cable 3.

  • Page 63: Coating The Boat Bottom

    Maintenance ZMU04679 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 64: 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 65 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 66 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 67: Temporary Action In Emergency

    Q. Is steering pivot loose or damaged? EWM00630 A. Tighten or have serviced by a Yamaha WARNING dealer. Be sure to use the specified fuse. An in-...

  • Page 68: Power Trim And Tilt Will Not Operate

    Make sure the remote control lever NOTE: is in neutral. Otherwise the boat could Consult your Yamaha dealer if the new fuse unexpectedly start to move, which immediately blows again. could result in an accident.

  • Page 69: Emergency Starting Engine

    Trouble Recovery starter mechanism or top cowling after the engine is running. Do not touch the ignition coil, spark ON START plug wire, spark plug cap, or other elec- trical components when starting or op- erating the motor. You could get an electrical shock.

  • Page 70: Engine Fails To Operate

    Trouble Recovery ON START ZMU03466 ZMU01906 Lift the emergency switch to pump re- EMU29670 Engine fails to operate serve oil into the engine oil tank from the EMU29740 remote oil tank. Low oil level warning activates If the oil level is allowed to drop too low, the red segment will appear on the oil level indi- cator, the buzzer will sound, and engine speed will be limited to about 2000 r/min.

  • Page 71: Top Cowling Does Not Unlock

    The oil-feed pump will not operate if the If the outboard motor is submerged, immedi- engine is tilted up more than 35°. Put the ately take it to a Yamaha dealer. Otherwise engine in the upright position (not tilted) some corrosion may begin almost immedi- before using the emergency switch.
  • Page 72 Feed fogging oil or engine oil through the carburetor(s) and spark plug holes while cranking with the manual starter or emergency starter rope. ZMU01911 Take the outboard motor to a Yamaha dealer as soon as possible. ECM00400 CAUTION: Do not attempt to run the outboard motor...

  • Page 73: Consumer Information

    Consumer information EMU29811 Important warranty information for U.S.A. and Canada...
  • Page 74 Consumer information...

  • Page 75: 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 76 Consumer information...
  • Page 77 Consumer information...

  • Page 78: 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 79 Printed in Japan April 2004–0.2 × 1 ! Printed on recycled paper...
  • Page 80 (A l’usage du concessionnaire) MODÉLE ET NO. DE SÉRIE DU MOTEUR HORS-BORD (sur l’étiquette d’identification de la presse de fixation) YAMAHA DEALER NUMBER NO. DU CONCESSIONNAIRE YAMAHA DEALER NAME YAMAHA MOTOR CO., LTD. NOM DU MADE IN JAPAN CONCESSIONNAIRE PAYS D'ORIGINE JAPON USAGE...
  • Page 81 PLACE POSTAGE HERE ATTN: WARRANTY DEPARTMENT...

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