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Yamaha 115 Owner's Manual

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115
OWNER'S MANUAL
U.S.A.Edition
LIT-18626-07-84
6N6-28199-1G

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  • Page 1 OWNER’S MANUAL U.S.A.Edition LIT-18626-07-84 6N6-28199-1G...
  • Page 2 EMU25061 ZMU01690 Read this owner’s manual carefully before operating or working on your outboard motor. Keep this manual onboard in a waterproof bag when boating. This manual should stay with the outboard motor if it is sold.
  • Page 3 EMU25111 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 Mounting motor ....... 13 Remote control requirements ..13 Identification numbers record..1 Battery requirement......13 Outboard motor serial number ..1 Propeller selection......13 Key number........1 Start-in-gear protection ....14 Emission control information ... 1 Basic components ......
  • Page 5 Table of contents clogging warning......27 Transporting and storing outboard motor ........... 46 Operation ......... 29 Storing outboard motor ....46 Installation ........29 Procedure........47 Mounting the outboard motor ..29 Lubrication (oil injection models) ..48 Breaking in engine ......30 Cleaning and anticorrosion Gasoline and engine oil mixing measures ........
  • Page 6 Procedure ........71 Consumer information....73 Important warranty information for U.S.A. and Canada ..... 73 YAMAHA MOTOR CORPORATION, U.S.A. OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY ..75 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA 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- len. 1. Key number...

  • Page 8: Important Labels

    General information EMU25382 Important labels EMU25395 EMISSION CONTROL INFORMATION Warning labels 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. FELs : g/kW-hr IDLE SPEED : rpm IN NEUTRAL SPARK PLUG : SPARK PLUG GAP (mm) :...
  • Page 9 General information YAMALUBE 2 STROKE OUTBOARD OIL or an equivalent TC-W3 certified ouboard oil. EWM01270 WARNING Do not add gasoline to the oil tank. Fire explosion could result.

  • Page 10: Safety Information

    Safety information EMU33620 Severe injury could occur if the outboard mo- Safety information tor accidentally falls. Observe these precautions at all times. EMU33670 Engine shut-off cord EMU33630 Rotating parts Attach the engine shut-off cord so that the Hands, feet, hair, jewelry, clothing, PFD engine stops if the operator falls overboard straps, etc.

  • Page 11: Carbon Monoxide

    Have an approved personal flotation device tions. Overloading or incorrect weight (PFD) on board for every occupant. Yamaha distribution can compromise the boats han- recommends that you must wear a PFD dling and lead to an accident, capsizing or whenever boating.

  • Page 12: Weather

    Safety information Avoid sharp turns or other maneuvers that You may also want to consider an Internet- make it hard for others to avoid you or un- based program for basic boater education. derstand where you are going. The Online Boating Safety Course provided Avoid areas with submerged objects or by the BoatU.S.

  • Page 13: Boating Organizations

    Safety information trators, or your local Power Squadron for a Marine Retailers Association of America complete set of rules governing the waters in 155 N. Michigan Ave. Chicago, which you will be using your boat. IL 60601 EMU33680 www.mraa.com Boating organizations The following organizations provide boating EMU33690 Basic boating rules (Rules of...

  • Page 14: Rules When Encountering Vessels

    Safety information vessel. Normally, you should not cross in front of the vessel with the right-of-way. You should slow down or change directions brief- ly and pass behind the other vessel. You should always move in such a way that the operator of the other vessel can see what you are doing.

  • Page 15: Other Special Situations

    Safety information trawls are considered to be “fishing vessels” under the International Rules. Vessels with trolling lines are not considered fishing ves- sels. Fishing vessels have the right-of-way regardless of position. Fishing vessels can- not, however, impede the passage of other vessels in narrow channels.
  • Page 16 Safety information This system uses buoys and signs with dis- tinctive shapes and colors to show regulato- ry or advisory information. These markers are white with black letters and orange boarders. They signify speed zones, restrict- ed areas, danger areas, and general infor- mation.
  • Page 17 Safety information ZMU01708...

  • Page 18: Basic Requirements

    10% ethanol can cause fuel system Tighten the filler cap securely after re- damage or engine performance problems. fueling. Yamaha does not recommend gasohol-con- If you should swallow some gasoline, taining methanol because it can cause fuel inhale a lot of gasoline vapor, or get...

  • Page 19: Installation Requirements

    If the engine starts in gear, the boat can have a direct impact on acceleration, top move suddenly and unexpectedly, pos- speed, fuel economy, and even engine life. sibly causing a collision or throwing Yamaha designs and manufactures propel- lers for every Yamaha outboard motor and...

  • Page 20: Start-In-Gear Protection

    Your Yamaha dealer can help you select the right propeller for your boating needs. Select a propeller that will allow the engine to reach...

  • Page 21: Basic Components

    Basic components EMU2579B Main components NOTE: * May not be exactly as shown; also may not be included as standard equipment on all mod- els. ZMU04764 1. Top cowling 15. Digital tachometer* 2. Power trim and tilt switch 16. Digital speedometer* 3.

  • Page 22: 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 23: Choke Switch

    Basic components adjuster counterclockwise. EWM00031 WARNING Do not overtighten the friction adjuster. If there is too much resistance, it could be difficult to move the remote control lever or throttle grip, which could result in an accident. 1. Fully open 2.

  • Page 24: Choke Knob For Pull Type

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

  • Page 25: Power Trim And Tilt Switch On Bottom Engine Cowling

    Basic components ZMU03517 EMU26152 NOTE: Power trim and tilt switch on bottom For instructions on using the power trim and engine cowling tilt switch, see page 41. The power trim and tilt switch is located on EMU26243 the side of the bottom engine cowling. Press- Trim tab with anode ing the switch “...

  • Page 26: Tilt Support Lever For Power Trim And Tilt Model

    Basic components ZMU02525 ZMU03979 1. Trim tab 1. Tilt support lever 2. Bolt ECM00660 3. Cap CAUTION: Do not use the tilt support lever or knob when trailering the boat. The outboard motor could shake loose from the tilt sup- port and fall.

  • Page 27: Flushing Device

    Basic components Align the three cowling hooks with the ter passages of the motor using a garden locks on the bottom cowling. hose and tap water. Press down on the top of the cowling at NOTE: the front and both sides of the back until For details on usage, see page 49.

  • Page 28: Oil Level Indicators (Three Indicators 2)

    Basic components will return to normal thereafter. ZMU04580 1. Oil level indicators ZMU01891 1. Tachometer EMU26550 Oil level indicator (digital type) 2. Trim meter 3. Hour meter This indicator shows the engine oil level. If 4. Oil level indicator the oil level falls below the lower limit, the 5.

  • Page 29: Speedometer (Digital Type)

    Basic components page 26. turning on the main switch to make sure all segments come on. ECM00051 CAUTION: NOTE: Do not continue to run the engine if the The speedometer displays km/h, mph, or overheat-warning indicator is on. Serious knots, according to operator preference. Se- engine damage will occur.

  • Page 30: Trim Meter (Digital Type)

    Basic components power trim and tilt switch. Changing the display format Pressing the “ ” (mode) button chang- EMU26620 es the display format in the following pat- Trim meter (digital type) tern: This meter shows the trim angle of your out- Total hours→Trip hours→Display off board motor.

  • Page 31: Clock

    ECM00860 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-...

  • Page 32: Low Battery Voltage-Warning Indicator

    Warning system ECM00090 CAUTION: Do not continue to operate the engine if a warning device has activated. Consult your Yamaha dealer if the problem can- not be located and corrected. EMU26817 Overheat warning This engine has an overheat-warning de- vice. If the engine temperature rises too high, If the warning system has activated, stop the the warning device will activate.

  • Page 33: Oil Level Warning And Oil Filter

    Basic components ZMU02630 ZMU04586 The buzzer will sound (if equipped on the EMU26847 Oil level warning and oil filter tiller handle, remote control box, or main clogging warning switch panel). Oil injection models This engine has an oil level warning system. If the oil level falls below the lower limit, the warning system will activate.
  • Page 34 Basic components ZMU03906 1. Oil filter ZMU01952 1. Oil filter...

  • Page 35: Operation

    Test runs at differ- centerline (keel line) of the boat. ent heights can help determine the optimum mounting height. Consult your Yamaha deal- er or boat manufacturer for further informa- tion on determining the proper mounting...

  • Page 36: Breaking In Engine

    Operation life. ECM00140 CAUTION: Failure to follow the break-in procedure could result in reduced engine life or even severe engine damage. Premix fuel must be used during break- in in addition to oil in the oil injection system. ZMU01762 EMU27060 Gasoline and engine oil mixing chart ECM01630 CAUTION:...

  • Page 37: Pre-Operation Checks

    (12 months) of storage, proceed as fol- Make sure there are no fuel leaks or gaso- lows: line fumes. Use a 50:1 gasoline-oil mixture to start Check fuel line connections to be sure they the engine. are tight (if equipped Yamaha fuel tank or...

  • Page 38: Filling Fuel And Engine Oil

    Be sure to take the above steps when op- Ring Free Fuel Additive, available from erating the engine after a long period of your Yamaha dealer. Ring Free Fuel Addi- storage. Otherwise engine seizure could tive has repeatedly proven its ability to clean occur.
  • Page 39 0.8 Imp gal) can be added. not be filled with oil, and no oil will be supplied. Turn on the main switch. The Yamaha oil injection system will automatically feed oil from the remote oil tank to the engine oil tank.

  • Page 40: Oil Level Indicator Operation

    Operation EMU27321 Oil level indicator operation The various functions of the oil level system are as follows: EMU27382 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) more than 300...

  • Page 41: Operating Engine

    Operation EMU27450 Operating engine EMU27482 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. 1.
  • Page 42 Operation end of the cord into the engine shut-off using the neutral throttle lever or free ac- switch. celerator. You may need to change the EWM00121 throttle opening slightly depending on WARNING engine temperature. After the engine Attach the engine shut-off cord to a se- starts, return the throttle to the original cure place on your clothing, or your position.

  • Page 43: Warming Up Engine

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

  • Page 44: Stopping Boat

    Operation engine and allow it to warm up. To shift out of neutral Pull the neutral interlock trigger up (if equipped). After the engine is at idle speed in gear move the remote control lever firmly and crisply into the neutral position. 1.

  • Page 45: Stopping Engine

    Operation The stopping distance varies depending on angle depends upon the combination of gross weight, water surface conditions, and boat, engine, and propeller. Correct trim is wind direction. also affected by variables such as the load in EMU27820 the boat, sea conditions, and running speed. Stopping engine EWM00740 WARNING...

  • Page 46: Adjusting Trim Angle (Power Trim And Tilt)

    Operation EMU27883 Adjusting trim angle (Power trim and tilt) EWM00752 WARNING Be sure all people are clear of the out- board motor when adjusting the tilt an- gle. Body parts can be crushed between the motor and the clamp ZMU03522 bracket when the motor is trimmed or tilted.

  • Page 47: Tilting Up And Down

    Operation Bow Up NOTE: Too much trim-out puts the bow of the boat Depending on the type of boat, the outboard too high in the water. Performance and econ- motor trim angle may have little effect on the omy are decreased because the hull of the trim of the boat when operating.

  • Page 48: Procedure For Tilting Up (Power Trim And Tilt Models)

    Operation on page 39. Never tilt the outboard mo- tor while the engine is running. Severe damage from overheating can result. Do not tilt up the engine by pushing the tiller handle (if equipped) because this could break the handle. EMU32720 Procedure for tilting up (power trim and tilt models)

  • Page 49: Procedure For Tilting Down (Power Trim And Tilt Models)

    Operation could damage the power trim and tilt mechanism. ZMU01936 ZMU03452 EMU33120 Procedure for tilting down (power trim and tilt models) Push the power trim and tilt switch “ ” (up) until the outboard motor is support- ed by the tilt rod and the tilt support lever becomes free.

  • Page 50: Cruising In Other Conditions

    Cruising in muddy or turbid water Yamaha strongly recommends that you use the optional chromium-plated water pump kit (available for V4 and large engines) if you use the outboard motor in water with a lot of...

  • Page 51: Maintenance

    Power trim and tilt Performance: Propeller mark: Full throttle operating range: 4500–5500 r/min Fuel and oil: Maximum output: Recommended fuel: 84.6 kW@5000 r/min (115 HP@5000 Regular unleaded gasoline r/min) Min. pump octane: Idling speed (in neutral): 750 ±50 r/min Recommended engine oil: Engine:...

  • Page 52: 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 53: Procedure

    “Yamaha Fuel Conditioner and Stabilizer” to each gallon of fuel. NOTE: 1. Flushing attachment The use of “Yamaha Fuel Conditioner and Stabilizer” eliminates the need to drain the Cooling system flushing is essential to fuel system. Consult your Yamaha dealer or...

  • Page 54: Lubrication (Oil Injection Models)

    Seal replacement should be per- egg, or vegetable oil. Get immediate formed by an authorized Yamaha dealer medical attention. prior to use. Batteries also generate explosive hydro- Grease all grease fittings.

  • Page 55: Flushing Power Unit

    Maintenance Fill each cell to the upper level with dis- tilled water. Store the battery on a level surface in a cool, dry, well-ventilated place out of di- rect sunlight. Once a month, check the specific gravity of the electrolyte and recharge as re- quired to prolong battery life.

  • Page 56: Cleaning The Outboard Motor

    When flushing the engine with the boat in chine servicing, this work should be done the water, tilting up the outboard motor un- by your Yamaha dealer or other qualified til it is completely out of the water will mechanic.

  • Page 57: 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 58 Maintenance Initial Every 50 hours Item Actions 10 hours hours (6 hours (1 (1 month) months) months) year) Inspection / replace- Water pump ment Oil pump Inspection / adjustment Oil tank water drain Inspection / cleaning Cleaning / adjustment / Spark plug(s) replacement...

  • Page 59: Greasing

    Maintenance EMU28932 Greasing Yamaha marine grease (Water resistant grease) ZMU04149 sparks, which could lead to explosion or EMU28953 Cleaning and adjusting spark plug fire. EWM00560 EWM01550 WARNING WARNING When removing or installing a spark plug, The engine will still be very hot when it be careful not to damage the insulator.

  • Page 60: 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 61: Inspecting Fuel Filter

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

  • Page 62: Inspecting Idling Speed

    There is a water trap at the bottom of the en- filter assembly. gine oil tank. If water or foreign matter is vis- Run the engine and check the filter and ible in this trap, consult your Yamaha dealer. lines for leaks. EMU29041 Inspecting idling speed...

  • Page 63: Water Leakage

    Maintenance EMU29130 tor in the up position. Operate the tilt Water leakage down switch briefly so the motor is sup- Start the engine and check that no water ported by the tilt support lever. leaks from the joints between the exhaust cover, cylinder head, and body cylinder.

  • Page 64: Checking Propeller

    Maintenance ZMU02635 ZMU01896 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. EMU32110 Checking propeller EWM01610 ZMU01897 WARNING You could be seriously injured if the en-...

  • Page 65: Removing Propeller

    Severe injury could the propeller could come off during op- occur if the outboard motor accidental- eration and be lost. ly falls. Apply Yamaha marine grease or a cor- Tilt the outboard motor so that the gear...

  • Page 66: Inspecting And Replacing Anode(S)

    If the oil is milky, water is getting Yamaha dealer for replacement of external into the gear case which can cause gear anodes. damage. Consult a Yamaha dealer for re- ECM00720 pair of the lower unit seals. CAUTION: NOTE:...

  • Page 67: Checking Battery (For Electric Start Models)

    Maintenance Yamaha dealer for inspection and replace- dling or working near batteries. ment of internal anodes attached to the pow- Antidote (EXTERNAL): er unit. SKIN - Flush with water. EYES - Flush with water for 15 minutes and get immediate medical attention.

  • Page 68: Connecting The Battery

    NOTE: 1. Red cable Consult a Yamaha dealer when charging or 2. Black cable re-charging batteries. 3. Battery EMU29332...

  • Page 69: 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 70: Trouble Recovery

    Therefore some items may not apply to your model. 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 71 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 72 Q. Is fuel system obstructed? Q. Is water pump or thermostat faulty? A. Check for pinched or kinked fuel line or A. Have serviced by a Yamaha dealer. other obstructions in fuel system. Q. Is there excess water in fuel filter cup? Q.

  • Page 73: Temporary Action In Emergency

    EWM00630 Q. Is steering pivot loose or damaged? WARNING A. Tighten or have serviced by a Yamaha Be sure to use the specified fuse. An in- dealer. correct fuse or a piece of wire could allow EMU29433 excessive current flow.

  • Page 74: Power Trim And Tilt Will Not Operate

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

  • Page 75: Emergency Starting Engine

    Trouble Recovery wheel or other moving parts when the engine is running. Do not install the starter mechanism or top cowling after the engine is running. Do not touch the ignition coil, spark plug wire, spark plug cap, or other elec- trical components when starting or op- erating the motor.

  • Page 76: Engine Fails To Operate

    Trouble Recovery and start the engine. Repeat if neces- sary. ON START ZMU01906 Lift the emergency switch to pump re- ZMU03466 serve oil into the engine oil tank from the EMU29670 remote oil tank. Engine fails to operate EMU29741 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...

  • Page 77: 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 78 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 79: Consumer Information

    Consumer information EMU29811 Important warranty information for U.S.A. and Canada...
  • Page 80 Consumer information...

  • Page 81: 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 82 Consumer information...
  • Page 83 Consumer information...

  • Page 84: Important Warranty Information If You Use Your Yamaha Outside The Usa Or Canada

    Consumer information EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA...
  • Page 86 Printed in Japan March 2008–0.3 × 1 ! Printed on recycled paper...

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