Yamaha FL115B Owner'S Manual Download

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U6EK70E0.book Page 101 Friday, January 31, 2014 2:37 PM

Summary of Contents for FL115B

Page 1: ...Read this manual carefully before operating this outboard motor OWNER S MANUAL F115B FL115B F115B1 FL115B1 6EK 28199 70 E0 U6EK70E0 book Page 1 Friday January 31 2014 2 37 PM ...

Page 2: ...carefully before operating this outboard motor Keep this manual onboard in a waterproof bag when boating This manual should stay with the outboard motor if it is sold U6EK70E0 book Page 1 Friday January 31 2014 2 37 PM ...

Page 3: ...en your machine and this manual If there is any question concerning this manual please consult your Yamaha dealer To ensure long product life Yamaha recom mends that you use the product and perform the specified periodic inspections and main tenance by correctly following the instruc tions in the owner s manual Any damage resulting from neglect of these instructions is not covered by warranty Some...

Page 4: ...ipped 10 Remote control requirements 11 Battery requirements 11 Battery specifications 11 Mounting battery 11 Propeller selection 11 Counter rotation models 12 Start in gear protection 12 Engine oil requirements 12 Fuel requirements 13 Gasoline 13 Anti fouling paint 13 Outboard motor disposal requirements 14 Emergency equipment 14 Emission control information 14 Star labels 15 Components 17 Compon...

Page 5: ... Start up checks 39 Yamaha Security System information if equipped 39 Low oil pressure alert 40 Overheat alert 40 Water separator alert 41 Engine trouble alert 41 Low battery voltage alert 41 6Y8 Multifunction speed fuel meters 42 6Y8 Multifunction speedometers 43 6Y8 Multifunction fuel management meters 43 Engine control system 45 Alert system 45 Overheat alert 45 Low oil pressure alert 45 Water ...

Page 6: ...rface of outboard motor 74 Periodic maintenance 74 Replacement parts 75 Severe operating conditions 75 Maintenance chart 1 76 Maintenance chart 2 78 Greasing 79 Inspecting spark plug 80 Inspecting idle speed 81 Changing engine oil 81 Inspecting wiring and connectors 84 Checking propeller 84 Removing propeller 85 Installing propeller 85 Changing gear oil 86 Inspecting and replacing anode s 88 Check...

Page 7: ...rocution EMU33661 Power trim and tilt Body parts can be crushed between the mo tor and the clamp bracket when the motor is trimmed or tilted Keep body parts out of this area at all times Be sure no one is in this area before operating the power trim and tilt mechanism The power trim and tilt switches operate even when the main switch is off Keep people be away from the switches whenever working ar...

Page 8: ... boating fatalities EMU40281 Personal flotation devices PFDs Have an approved PFD on board for every occupant Yamaha recommends that you must wear a PFD whenever boating At a minimum children and non swimmers should always wear PFDs and everyone should wear PFDs when there are potentially hazardous boating conditions EMU33732 People in the water Always watch carefully for people in the wa ter such...

Page 9: ...action to avoid collisions Re member boats do not have brakes and stopping the engine or reducing throttle can reduce the ability to steer If you are not sure that you can stop in time before hitting an obstacle apply throttle and turn in an other direction EMU33791 Weather Stay informed about the weather Check weather forecasts before boating Avoid boating in hazardous weather EMU33881 Passenger ...

Page 10: ... the illustration Re cord this number in the space provided for reference in case you need a new key EMU37292 EC Declaration of Conformity DoC This outboard motor conforms to certain por tions of the European Parliament directive re lating to machinery Each conformed outboard motor accompa nied with EC DoC EC DoC contains the fol lowing information Name of Engine Manufacture Model name Product cod...

Page 11: ... Engines affixed with this label conform to cer tain portion s of the Australian Radio Com munications Act 1 CE marking location 1 C Tick label location 1 ZMU08137 ZMU06040 1 ZMU08066 ZMU01697 U6EK70E0 book Page 5 Friday January 31 2014 2 37 PM ...

Page 12: ...d any manuals supplied with the boat Read all labels on the outboard motor and the boat If you need any additional information contact your Yamaha dealer EMU33834 Warning labels If these labels are damaged or missing contact your Yamaha dealer for replacements 1 3 2 ZMU08067 U6EK70E0 book Page 6 Friday January 31 2014 2 37 PM ...

Page 13: ...or remove electrical parts when starting or during operation 2 WARNING EWM01672 Read Owner s Manuals and labels Wear an approved personal flotation de vice PFD Attach engine shut off cord lanyard to your PFD arm or leg so the engine stops if you accidentally leave the helm which could prevent a runaway boat EMU33851 Other labels 1 2 ZMU06191 3 ZMU05710 U6EK70E0 book Page 7 Friday January 31 2014 2...

Page 14: ...5133 Symbols The following symbols mean as follows Notice Warning Read Owner s Manual Hazard caused by continuous rotation Electrical hazard ZMU05696 ZMU05664 ZMU05665 ZMU05666 U6EK70E0 book Page 8 Friday January 31 2014 2 37 PM ...

Page 15: ...tral 650 750 r min Power unit Type 4 stroke DOHC L4 16 valves Total displacement 1832 cm 111 8 c i Bore stroke 81 0 88 9 mm 3 19 3 50 in Ignition system TCI Spark plug NGK LKR6E Spark plug gap 0 8 0 9 mm 0 031 0 035 in Steering system Remote steering Starting system Electric starter Starting carburetion system Fuel injection Valve clearance IN cold engine 0 17 0 24 mm 0 0067 0 0094 in Valve cleara...

Page 16: ...A 39 94 83 6 dB A EMU33555 Installation requirements EMU33565 Boat horsepower rating WARNING EWM01561 Overpowering a boat can cause severe in stability Before installing the outboard motor s con firm that the total horsepower of your out board motor s does not exceed the boats maximum horsepower rating See the boat s capacity plate or contact the manufacturer EMU40491 Mounting outboard motor WARNI...

Page 17: ...if battery volt age is too low EMU36291 Mounting battery Mount the battery holder securely in a dry well ventilated vibration free location in the boat WARNING Do not put flammable items or loose heavy or metal objects in the same compartment as the battery Fire explosion or sparks could result EWM01821 EMU34196 Propeller selection Next to selecting an outboard motor select ing the right propeller...

Page 18: ... stallation see page 85 EMU25771 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 be fore starting the engine EMU41953 Engine oil requirements Select an oil grade according to the average temperatures in the area ...

Page 19: ...g problems Yamaha does not recommend gasohol containing methanol because it can cause fuel system damage or engine performance problems It is recommended that you install a water separating marine fuel filter assembly 10 mi cron minimum between your boat s fuel tank and outboard motor when using ethanol Eth anol is known to allow moisture to be ab sorbed into boat fuel tanks and systems Moisture i...

Page 20: ...ling New Technology 4 stroke MFI EMU39202 Manufactured date label This label is attached to the clamp bracket 1 Approval label location 1 Manufactured date label location 1 ZMU08070 ZMU06895 EMISSION CONTROL INFORMATION MFI THIS ENGINE CONFORMS TO CALIFORNIA AND U S EPA EXHAUST REGULATIONS FOR SI MARINE ENGINES REFER TO THE OWNER S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS MEETS U S EP...

Page 21: ...341 Two Stars Very Low Emission The two star label identifies engines that meet the Air Resources Board s Personal Watercraft and Outboard marine engine 2004 exhaust emission standards Engines meet ing these standards have 20 lower emis sions than One Star Low Emission engines EMU40351 Three Stars Ultra Low Emission The three star label identifies engines that meet the Air Resources Board s Person...

Page 22: ...ir Resources Board s Sterndrive and Inboard marine engine 2009 exhaust emission standards Personal Watercraft and Outboard marine engines may also comply with these standards Engines meeting these standards have 90 lower emissions than One Star Low Emission engines ZMU01704 ZMU05663 U6EK70E0 book Page 16 Friday January 31 2014 2 37 PM ...

Page 23: ...els order from dealer 1 2 3 4 5 6 10 11 12 8 9 7 ZMU08073 1 Top cowling 2 Cowling lock lever 3 Power trim and tilt unit 4 Clamp bracket 5 Anode 6 Cooling water inlet 7 Propeller 8 Trim tab anode 9 Anti cavitation plate 10 Flushing device 11 Power trim and tilt switch 12 Fuse box U6EK70E0 book Page 17 Friday January 31 2014 2 37 PM ...

Page 24: ... ZMU08074 1 Oil filler cap 2 Cowling lock lever 3 Fuel filter 4 Cooling water pilot hole 5 Drain screw 6 Gear oil drain screw 7 Cooling water inlet 8 Oil level plug 9 Oil dipstick U6EK70E0 book Page 18 Friday January 31 2014 2 37 PM ...

Page 25: ...witch panel for use with binnacle type 5 Switch panel for use with binnacle type 6 Digital tachometer 7 Digital speedometer 8 Fuel management meter 9 Tachometer unit Square type 10 Tachometer unit Round type 11 Speedometer unit Square type 12 Speed fuel meter unit Square type 13 Speed fuel meter unit Round type 14 Fuel management meter unit Square type 15 Remote control transmitter 16 Receiver 17 ...

Page 26: ...a Yamaha dealer If you have lost the remote control trans mitter consult your Yamaha dealer Keep the least 2 transmitters at all the time If you have lost both transmitters consult your Yamaha dealer TIP Since the receiver is programmed to rec ognize the internal code from this transmit ter only the security system setting can only be changed with this transmitter If the remote control transmitter...

Page 27: ...ounted on the remote control box EMU26191 Remote control lever Moving the lever forward from the neutral po sition engages forward gear Pulling the lever back from neutral engages reverse The en gine will continue to run at idle until the lever is moved about 35 a detent can be felt Moving the lever farther opens the throttle and the engine will begin to accelerate 1 Lock button 2 Unlock button Ya...

Page 28: ...lever is in neutral The remote control lever will operate only when the neutral throttle lever is in the closed position EMU26234 Free accelerator To open the throttle without shifting into ei ther forward or reverse push the free accel erator button and move the remote control lever 1 Neutral 2 Forward 3 Reverse 4 Shift 5 Fully closed 6 Throttle 7 Fully open 1 Neutral 2 Forward 3 Reverse 4 Shift ...

Page 29: ... tiller handle to the left or right as necessary EMU25925 Gear shift lever Move the gear shift lever forward to engage the forward gear or rearward to engage the reverse gear EMU25943 Throttle grip The throttle grip is on the tiller handle Turn the grip counterclockwise to increase speed and clockwise to decrease speed EMU25963 Throttle indicator The fuel consumption curve on the throttle in dicat...

Page 30: ...shut off cord lanyard and clip The clip must be attached to the engine shut off switch for the engine to run The cord should be attached to a secure place on the operator s clothing or arm or leg Should the operator fall overboard or leave the helm the cord will pull out the clip stopping ignition to the engine This will prevent the boat from running away under power WARNING At tach the engine shu...

Page 31: ...ops the engine when the button is pushed 1 Engine shut off cord lanyard 2 Clip 3 Engine shut off switch 1 Engine shut off cord lanyard 2 Clip 3 Engine shut off switch ZMU04565 1 2 3 1 Engine shut off cord lanyard 2 Clip 3 Engine shut off switch 1 Engine shut off cord lanyard 2 Clip 3 Engine shut off switch ON START OFF ON START OFF 1 2 3 ZMU05818 U6EK70E0 book Page 25 Friday January 31 2014 2 37 P...

Page 32: ...ns automatically to the on position EMU26113 Steering friction adjuster A friction device provides adjustable resis tance to the steering mechanism and can be set according to operator preference An ad juster lever is located on the bottom of the til ler handle bracket To increase resistance turn the lever to the port side A To decrease resistance turn the lever to the starboard side B WARNING EWM...

Page 33: ...lt switch see pages 64 and 66 EMU26156 Power trim and tilt switch on bottom cowling The power trim and tilt switch is located on the side of the bottom cowling Pushing the switch up trims the outboard motor up and then tilts it up Pushing the switch down tilts the outboard motor down and trims it down When the switch is released the outboard motor will stop in its current po sition For instruction...

Page 34: ...to decrease the trolling speed TIP The trolling speed changes approximately 50 r min each time a switch is pressed If the trolling speed has been adjusted the engine returns to the normal trolling speed when the engine is stopped and restarted or when the engine speed exceeds ap proximately 3000 r min For instructions on using the variable troll ing RPM switches see page 62 EMU26245 Trim tab with ...

Page 35: ... outboard motor in the tilted up position lock the tilt support lever to the clamp bracket NOTICE ECM00661 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 If the motor cannot be trailered in the normal running position use an additional support device to secure it in the tilt position EMU40761 Cowling lock leve...

Page 36: ...rial and separate water from the fuel If wa ter separated from the fuel exceeds a specific volume the alert system will activate For fur ther information see page 46 EMU26305 Alert indicator If the engine develops a condition which is cause for alert the indicator lights up For de tails on how to read the alert indicator see page 45 1 Cowling lock lever 1 Flushing device 1 ZMU08080 1 ZMU08081 1 Fu...

Page 37: ...formation on reading the indicator see page 45 NOTICE ECM00053 Do not continue to run the engine if the overheat alert indicator is on Serious en gine damage will occur EMU41391 Digital tachometer The tachometer shows the engine speed and has the following functions All segments of the display will light momen tarily after the main switch is turned on and will return to normal thereafter EMU36051 ...

Page 38: ...t and mode buttons for more than 1 second while the trip hours are displayed This resets the trip counter to 0 zero The total number of hours the engine has been run cannot be reset EMU26525 Low oil pressure alert indicator If oil pressure drops too low the alert indica tor will start to blink For further information see page 45 NOTICE ECM00023 Do not continue to run the engine if the low oil pres...

Page 39: ...ight segments indicate the fuel level When all segments are showing the fuel tank is full The fuel level reading can be inaccurate due to the position of the sensor in the fuel tank and the attitude of the boat in the water Op eration with bow up trim or continuous turn ing can give false readings Do not adjust the selector switch for fuel sen sor Incorrectly setting the selector switch on the gau...

Page 40: ... Be sure the gauge is in the time mode 2 Press the set button the hour dis play will begin blinking 3 Press the mode button until the desired hour is displayed 4 Press the set button again the minute display will begin blinking 5 Press the mode button until the desired minute is displayed 6 Press the set button again to start the clock The clock operates on battery power Dis connecting the battery...

Page 41: ...ur period at the cur rent rate of engine operation The fuel flow meter displays gallons hour or liters hour according to operator prefer ence Select the desired units of measure ment by setting the selector switch on the back of the gauge during installation The fuel consumption meter and fuel econ omy meter will indicate the same unit of measurement 1 Fuel level alert segment 1 Low battery indica...

Page 42: ...gauge points to fuel consumption meter fuel economy meter or twin engine speed syn chronizer EMU26762 Fuel consumption meter This gauge displays the total amount of fuel consumed since the gauge was last reset To reset the total fuel consumption meter to zero press the set and mode buttons at the same time EMU26772 Fuel economy This gauge displays the approximate dis tance per liter or gallon when...

Page 43: ...gine speed r min between the port and starboard engines for reference purposes when syn chronizing the two engines speeds If the two engines speeds are not synchro nized while cruising adjusting trim angle or throttle can synchronize them If large differences in trim angle or throttle are needed to synchronize the engines consult your Yamaha dealer for adjustments to the throttle cables EMU26794 W...

Page 44: ...y battery voltage display total hour trip hour display oil pressure dis play water detection alert engine trouble alert and periodic maintenance notification If the cooling water pressure sensor is in stalled the unit can also show the cooling water pressure display However even if the cooling water pressure sensor is not in stalled the cooling water pressure display can be shown by connecting an ...

Page 45: ...de button EMU38623 Yamaha Security System information if equipped Turn the main switch to the on position the currently selected Yamaha Security Sys tem mode Lock Unlock will show on the display Unlock mode Lock mode 1 Tachometer 2 Water detection alert indicator 3 Engine trouble alert maintenance indicator 4 Trim meter 5 Multifunction display 6 Battery voltage 7 Cooling water engine temperature 8...

Page 46: ...uantity is maintained consult your Yamaha dealer NOTICE ECM01602 Do not continue to run the engine if the low oil pressure alert device has activated Serious engine damage will occur EMU36222 Overheat alert If the engine temperature rises too high while cruising the overheat alert indicator will start to blink The engine speed will automatically decrease to about 2000 r min Stop the engine immedia...

Page 47: ...ain the water from the fuel filter Get back to the port soon and consult a Yamaha dealer immediately NOTICE ECM00911 Gasoline mixed with water could cause damage to the engine EMU36161 Engine trouble alert This indicator will blink if the engine malfunc tions while cruising Get back to the port soon and consult a Yamaha dealer immedi ately NOTICE ECM00921 In such an event the engine will not oper ...

Page 48: ...e trip display can be shown by connecting an optional sensor to the unit In addition if optional sensors are connected to the unit water surface temper ature display depth display and clock will also be available For the optional sensors consult your Yamaha dealer The speed fuel meter unit is available in round or square types Check your speed fuel meter unit type for operation information After t...

Page 49: ...display depth display and clock will also be available For the optional sensors consult your Yamaha dealer After the main switch is first turned on all the displays come on as a test After a few sec onds the gauge will change to normal oper ation For more information see the operation man ual originally supplied with the meter EMU36251 6Y8 Multifunction fuel manage ment meters The fuel management ...

Page 50: ...main switch is first turned on all the displays come on as a test After a few sec onds the gauge will change to normal oper ation For more information see the operation man ual originally supplied with the meter 1 Set button 2 Mode button 1 Fuel flow meter 2 Multifunction display 2 1 ZMU05438 1 2 ZMU05439 U6EK70E0 book Page 44 Friday January 31 2014 2 37 PM ...

Page 51: ...r inlets Check trim angle to be sure that the cooling water inlet is submerged Check the cooling water inlet for clogging Dual engine drive users If the overheat alert system of one engine ac tivates the engine will slow down To switch off the alert activation on the engine not af fected by overheating turn off the main switch of the engine overheating If the alert system has activated stop the en...

Page 52: ...t system of one en gine activates both engines will slow down and the buzzer will sound To switch off the alert activation on the engine not affected by low oil pressure turn off the main switch of the engine with the low oil pressure EMU43952 Water separator alert The outboard motor is equipped with a water separator alert system If water separated from the fuel exceeds a specific volume the aler...

Page 53: ...eck the fuel filter If any water is found in the fuel consult a Yamaha dealer NOTICE ECM02341 Although the buzzer will stop when the en gine is started and the remote control le ver is moved to the forward or reverse position do not use the outboard motor Otherwise serious engine damage could occur ZMU07011 ZMU07012 ZMU07859 U6EK70E0 book Page 47 Friday January 31 2014 2 37 PM ...

Page 54: ... engine boats mount the outboard motor on the cen terline keel line of the boat For twin engine boats mount the outboard motors equidis tant from the centerline Consult your Yamaha dealer or boat manufacturer for fur ther information on determining the proper mounting location EMU26936 Mounting height boat bottom The mounting height of your outboard motor affects its efficiency and reliability If ...

Page 55: ...obstructions to the smooth flow of water such as the design or condition of the boat or ac cessories such as transom ladders or depth finder transducers can create air borne water spray while the boat is cruising If the outboard motor is oper ated continuously in the presence of air borne water spray enough water could enter the engine through the air intake opening in the top cowling to cause se ...

Page 56: ... evenly TIP Run the engine in the water under load in gear with a propeller installed as follows For 10 hours for breaking in engine avoid extend ed idling rough water and crowded areas 1 For the first hour of operation Run the engine at varying speeds up to 2000 r min or approximately half throttle 2 For the second hour of operation Increase engine speed as much as nec essary to put the boat on p...

Page 57: ...highly flamma ble and explosive Keep away from sparks cigarettes flames or other sources of ig nition WARNING EWM00911 Leaking fuel can result in fire or explosion Check for fuel leakage regularly If any fuel leakage is found the fuel sys tem must be repaired by a qualified me chanic Improper repairs can make the outboard unsafe to operate EMU36452 Check for fuel leaks Check for fuel leaks or gaso...

Page 58: ...of motion and each le ver should return completely to the idle po sition Look for loose or damaged connections of the throttle and shift cables EMU36484 Engine shut off cord lanyard Inspect the engine shut off cord and clip for damage such as cuts breaks and wear EMU40994 Engine oil 1 Place the outboard motor in a vertical position not tilted NOTICE If the out board motor is not level the oil leve...

Page 59: ...owling lock levers are released 2 Be sure that the rubber seal is seated all the way around the top cowling 3 Place the top cowling on the bottom cowling 4 Check to be sure the rubber seal is seat ed correctly between the top cowling and the bottom cowling 5 Move the cowling lock levers to lock the top cowling as shown NOTICE If the top cowling is not installed correctly water spray under the top ...

Page 60: ...rd motor up and check that the trim and tilt rod is pushed out completely 4 Check that the trim and tilt rod is free of corrosion or other flaws 5 Tilt the outboard motor down Check that the trim and tilt rod operates smoothly EMU36583 Battery Check that the battery is in good condition and fully charged Check that the battery connections are clean secure and covered by insulating covers The elect...

Page 61: ...ely 9 Wipe up any spilled gasoline immediate ly with dry rags Dispose of rags properly according to local laws or regulations EMU40252 Operating engine WARNING EWM02601 This product emits exhaust gases which contain carbon monoxide a colorless odorless gas which could cause brain damage or death when inhaled Symp toms include nausea dizziness and drowsiness Keep cockpit and cabin areas well ventil...

Page 62: ...ecurity mode press the lock or unlock button to reset the security system The signal transmission range of the re mote control transmitter varies depending on the mounting position of the receiver To operate the Yamaha Security System cor rectly use the transmitter as close as pos sible from the receiver If the Yamaha Security System does not operate correctly repeat the activating procedure 2 Pla...

Page 63: ...ure to attach the engine shut off cord could result in a runaway boat if operator is ejected Attach the engine shut off cord to a secure place on your clothing or your arm or leg while oper ating Do not attach the cord to clothing that could tear loose Do not route the cord where it could become entangled preventing it from functioning Avoid accidentally pulling the cord dur ing normal operation L...

Page 64: ...ontrol lever in neutral TIP The start in gear protection device prevents the engine from starting except when in neu tral 3 Attach the engine shut off cord to a se cure place on your clothing or your arm or leg Then install the clip on the other end of the cord into the engine shut off switch 4 Turn the main switch to on N ZMU04588 ZMU04628 ON START OFF ON START OFF ZMU05828 U6EK70E0 book Page 58 ...

Page 65: ...ranking return the main switch to on wait 10 seconds then crank the engine again ECM00193 EMU36511 Checks after starting engine EMU41361 Cooling water Check for a steady flow of water from the cooling water pilot hole A continuous flow of water from the cooling water pilot hole shows that the water pump is pumping water through the cooling water passages TIP When the engine is started there may be...

Page 66: ...roperly Check that the engine stops when the main switch is turned to the off position Check that the engine stops when the clip is pulled from the engine shut off switch Check that the engine cannot be started with the clip removed from the engine shut off switch EMU33493 Shifting WARNING EWM00181 Before shifting make sure there are no swimmers or obstacles in the water near you NOTICE ECM01611 W...

Page 67: ...eu tral 1 Close the throttle so that the engine slows to idle speed 2 After the engine is at idle speed in gear move the remote control lever gear shift lever firmly and crisply into the neutral position U6EK70E0 book Page 61 Friday January 31 2014 2 37 PM ...

Page 68: ... separate braking system Water resistance stops it af ter the throttle lever is moved back to idle The stopping distance varies depending on gross weight water surface conditions and wind direction EMU30881 Trolling EMU30891 Adjusting trolling speed The trolling speed on outboard motors equipped with the variable trolling RPM switches can be adjusted approximately 50 r min with each press of a swi...

Page 69: ...peed is not recommended EMU42441 Procedure 1 Push and hold the engine stop button or turn the main switch to off 2 After stopping the engine disconnect the fuel line if there is a fuel joint on the outboard motor 3 Tighten the air vent screw on the fuel tank cap if equipped 4 Remove the key if the boat will be left un attended 5 If equipped with the Yamaha Security System When you leave your boat ...

Page 70: ...water Correct trim angle will help im prove performance and fuel economy while reducing strain on the engine Correct trim angle depends upon the combination of boat engine and propeller Correct trim is also affected by variables such as the load in the boat sea conditions and running speed EMU27889 Adjusting trim angle Power trim and tilt WARNING EWM00754 Be sure all people are clear of the out bo...

Page 71: ...steer to one side or the other Compen sate for this as you steer When the bow of the boat is down it is easier to accelerate from a standing start onto plane Bow Up Too much trim out puts the bow of the boat too high in the water Performance and econ omy are decreased because the hull of the boat is pushing the water and there is more air drag Excessive trim out can also cause the propeller to ven...

Page 72: ...e duce salt corrosion WARNING EWM00223 Make sure that no one is near the out board motor when tilting the outboard motor up or down Otherwise body parts could be crushed between the outboard motor and the clamp bracket WARNING EWM00251 Leaking fuel is a fire hazard If there is a fuel joint on the outboard motor discon nect the fuel line or close the fuel cock if the engine will be tilted for more ...

Page 73: ...o support it with the tilt support knob or tilt support lever Otherwise the out board motor could fall back down suddenly if oil in the power trim and tilt unit or in the power tilt unit loses pres 1 Power trim and tilt switch N ZMU07382 ZMU07848 UP 1 1 Power trim and tilt switch 1 Power trim and tilt switch 1 Power trim and tilt switch ZMU07850 UP 1 1 UP ZMU08096 U6EK70E0 book Page 67 Friday Janu...

Page 74: ...1642 EMU42702 Procedure for tilting down 1 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 2 Release the tilt support lever 3 Push the power trim and tilt switch down to lower the outboard motor to the desired position 1 Tilt support lever 1 Tilt support lever 1 ZMU08097 1 ZMU08099 1 Power trim and tilt switch 1 ...

Page 75: ...U32914 Procedure for power trim and tilt models 1 Place the remote control lever gear shift lever in neutral 2 Slightly tilt the outboard motor up to the desired position using the power trim and tilt switch WARNING Using the power trim and tilt switch on the bot tom cowling while the boat is moving or engine is on could increase the risk of falling overboard and could distract the operator increa...

Page 76: ...o rinse the exte rior of the outboard motor with fresh water Operating in water containing mud sand silt debris or vegetation Mud sand silt debris and vegetation in the water may restrict water flow into the cooling water inlet covers or clog internal water pas sages Check and clean the cooling water in let covers frequently when operating in these conditions Flush the engine with clean fresh wate...

Page 77: ...rance in this po sition then trailer the outboard motor in the tilt position using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details When the outboard motor is tilted prolonged time for mooring or trailering the boat close the fuel valve EMU44930 Storing outboard motor When storing your Yamaha outboard motor for prolonged periods of time 2 months or ...

Page 78: ...r a fuel valve on the boat disconnect the fuel line from the joint or close the fuel valve 2 Wash the exterior of the outboard motor using fresh water NOTICE Do not spray water into the air intake ECM01841 For further information see page 74 3 Remove the top cowling and propeller 4 Install the flushing attachment over the cooling water inlet and then turn on the water supply NOTICE Do not run the ...

Page 79: ...e outboard motor Have a Yamaha dealer drain the gasoline from the vapor separator EMU41072 Lubrication 1 Change the gear oil For instructions see page 86 Check the gear oil for the pres ence of water that indicates a leaky seal Seal replacement should be performed by an authorized Yamaha dealer prior to use 2 Lubricate all grease fittings For further details see page 79 TIP For long term storage f...

Page 80: ...841 2 Drain the cooling water completely out of the outboard motor Clean the body thoroughly EMU28462 Checking painted surface of outboard motor Check the outboard motor for scratches nicks or flaking paint Areas with damaged paint are more likely to corrode If necessary clean and paint the areas A touch up paint is available from your Yamaha dealer EMU2847D Periodic maintenance WARNING EWM01872 T...

Page 81: ...ble from your Yamaha dealer EMU34152 Severe operating conditions Severe operating conditions involve one or more of the following types of operation on a regular basis Operating continuously at or near maxi mum engine speed rpm for many hours Operating continuously at a low engine speed rpm for many hours Operating without sufficient time for engine to warm up and cool down Frequent quick accelera...

Page 82: ...The symbol indicates the check ups which you may carry out yourself The symbol indicates work to be carried out by your Yamaha dealer Item Actions Initial Every 20 hours 3 months 100 hours 1 year 300 hours 3 years 500 hours 5 years Anode s external Inspection or replace ment as necessary Anode s cylinder head Inspection or replace ment as necessary Anodes cylinder block cooling water passage exhau...

Page 83: ...propeller nut cotter pin Inspection or replace ment as necessary PCV Pressure Control Valve Inspection or replace ment as necessary Shift link shift cable Inspection adjust ment or replacement as necessary Spark plug s Inspection or replace ment as necessary Spark plug caps spark plug wires Inspection or replace ment as necessary Water from the cooling water pilot hole Inspection Throttle link thr...

Page 84: ...e coupler con nections Inspection or replace ment as necessary Yamaha Meter gauge Inspection Item Actions Every 1000 hours Exhaust guide ex haust manifold Inspection or replace ment as necessary Timing belt Replacement Item Actions Initial Every 20 hours 3 months 100 hours 1 year 300 hours 3 years 500 hours 5 years U6EK70E0 book Page 78 Friday January 31 2014 2 37 PM ...

Page 85: ...Maintenance 79 EMU28944 Greasing Yamaha grease A water resistant grease Yamaha grease D corrosion resistant grease for propeller shaft ZMU08103 U6EK70E0 book Page 79 Friday January 31 2014 2 37 PM ...

Page 86: ...move the spark plug 1 Remove the cover 2 Remove the spark plug cap from the spark plug 3 Remove the spark plug WARNING When removing or installing a spark plug be careful not to damage the in sulator A damaged insulator could al low external sparks which could lead to explosion or fire EWM00562 To check the spark plug 1 Check the condition of the spark plug If electrode erosion becomes excessive o...

Page 87: ...is procedure Results may vary depending on whether testing is con ducted with the flushing attachment in a test tank or with the outboard motor in the water 1 Start the engine and allow it to warm up fully in neutral until it is running smoothly 2 Once the engine has warmed up verify whether the idle speed is set to specifi cation For idle speed specifications see page 9 If you have difficulty ver...

Page 88: ...stick may not be accurate ECM01862 2 Start the engine Warm it up and keep the idle speed for 5 10 minutes 3 Stop the engine and leave it for 5 10 min utes 4 Remove the top cowling 5 Remove the oil filler cap Pull out the dip stick and use the oil changer to extract the oil completely TIP When using an oil changer skip steps 6 and 7 6 Prepare a suitable container that holds a larger amount than the...

Page 89: ...he oil dipstick and wipe it clean 11 Insert the dipstick and remove it again Be sure to completely insert the dipstick into the dipstick guide otherwise the oil level measurement will be incorrect 12 Recheck the oil level using the dipstick to be sure the level falls between the upper and lower marks Consult your Yamaha dealer if the oil level is out of specified level 13 Start the engine and make...

Page 90: ...t that each ground lead is properly secured EMU32113 Checking propeller WARNING EWM01882 You could be seriously injured if the en gine accidentally starts when you are near the propeller Before inspecting remov ing or installing the propeller place the shift control in neutral turn the main switch to off and remove the key and remove the clip from the engine shut off switch Turn off the battery cu...

Page 91: ...1962 Installing propeller WARNING EWM00771 On counter rotation models be sure to use a propeller intended for counterclock wise rotation These propellers are identi fied with the letter L after the size indication on the propeller Otherwise the boat could move in the opposite direction from that expected NOTICE ECM00502 Make sure to use a new cotter pin and bend the ends over securely Otherwise th...

Page 92: ...tand You could be severely injured if the outboard motor falls on you Never get under the lower unit while it is tilted even when the tilt support lever or knob is locked Severe injury could oc cur if the outboard motor accidentally falls 1 Tilt the outboard motor so that the gear oil drain screw is at the lowest point pos sible 2 Place a suitable container under the gear case 3 Remove the gear oi...

Page 93: ...e oil level plug When the oil begins to flow out of the oil level plug hole insert and tighten the oil level plug to the specified torque 7 Put a new gasket on the gear oil drain screw Insert and tighten the gear oil drain screw to the specified torque 1 Gear oil drain screw 2 Gasket 1 Gasket 2 Oil level plug 1 2 ZMU08120 1 2 ZMU08121 Recommended gear oil YAMALUBE outboard gear oil or Hyp oid gear...

Page 94: ...sonous and caus tic and batteries generate explosive hy drogen gas When working near the battery Wear protective eye gear and rubber gloves Do not smoke or bring any other source of ignition near the battery The procedure for checking the battery varies for different batteries This procedure con tains typical checks that apply to many bat teries but you should always refer to the battery manufactu...

Page 95: ... battery and cables must be clean and properly con nected or the battery will not start the engine EMU29372 Disconnecting the battery 1 Turn off the battery cut off switch if equipped and main switch NOTICE If they are left on the electrical system can be damaged ECM01931 2 Disconnect the negative cable s from the negative terminal NOTICE Al ways disconnect all negative cables first to avoid a sho...

Page 96: ...rol transmitter registered with the receiver Q Has the battery cell of the remote control transmitter discharged A Operate from spare remote control trans mitter or replace battery cell by a Yamaha dealer Q Are battery connections loose or corrod ed A Tighten battery cables and clean battery terminals Q Is battery capacity weak or low A Check battery condition Use battery of recommended capacity S...

Page 97: ...ark plug s Clean or replace with recommended type Q Is fuel system obstructed A Check for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Have ignition parts failed A Have serviced by a Yamaha dealer Q Has alert system activated A Find and correct cause of alert Q...

Page 98: ...r Q Is there excess water in fuel filter cup A Drain filter cup Engine power loss Q Is propeller damaged A Have propeller repaired or replaced Q Is propeller pitch or diameter incorrect A Install correct propeller to operate out board at its recommended speed r min range Q Is trim angle incorrect A Adjust trim angle to achieve most efficient operation Q Is motor mounted at incorrect height on tran...

Page 99: ...e of spark plug incorrect A Inspect spark plug and replace it with rec ommended type Q Is engine not responding properly to shift lever position A Have serviced by a Yamaha dealer Engine vibrates excessively Q Is propeller damaged A Have propeller repaired or replaced Q Is propeller shaft damaged A Have serviced by a Yamaha dealer Q Are weeds or other foreign matter tangled on propeller A Remove a...

Page 100: ...nning with one in neutral gear if possible EMU44920 Replacing fuse WARNING EWM00632 Substituting an incorrect fuse or a piece of wire could allow excessive current flow This could cause electric system damage and a fire hazard If a fuse has blown replace the fuse accord ing to the following procedure 1 Turn the main switch to the off position 2 Remove the fuse box cover 3 When replacing the engine...

Page 101: ...valve screw by turning it clock wise EMU44991 Water separator alert is activated af ter leaving port WARNING EWM01501 Gasoline is highly flammable and its va pors are flammable and explosive Do not perform this procedure on a hot or running engine Allow the engine to cool There will be fuel in the fuel filter Keep away from sparks cigarettes flames or other sources of ignition This procedure will ...

Page 102: ...er on the water detection switch coupler otherwise a malfunc tion could occur ECM01951 4 Remove the cover 5 Remove the hose holder and then re move the fuel filter from its holder ZMU07012 ZMU07859 1 Water detection switch coupler 1 Cover 1 Holder 2 Fuel filter 1 ZMU08123 1 ZMU08139 1 2 ZMU08140 U6EK70E0 book Page 96 Friday January 31 2014 2 37 PM ...

Page 103: ...urn the main switch to the on po sition and check that the water separa tor alert indicator remains off and the buzzer does not sound If the water sep arator alert indicator blinks or the buzzer sounds have your Yamaha dealer check the outboard motor NOTICE Although the buzzer will stop when the engine is started and the remote control lever is moved to the forward or reverse posi tion do not use ...

Page 104: ...ol functions checking 52 Cooling water 59 Cowling installing 53 Cowling lock lever 29 C Tick label 5 D Digital speedometer 33 Digital tachometer 31 Draining the gasoline from the vapor separator 73 E EC Declaration of Conformity DoC 4 Electric shock 1 Emergency equipment 14 Emergency running single engine in an 94 Emergency temporary action in 93 Emission control information 14 Engine oil 52 Engin...

Page 105: ...terlock trigger 22 Neutral throttle lever 22 O Operating engine 55 Operating in salt water or other conditions 70 Outboard motor checking 53 Outboard motor disposal requirements 14 Outboard motor painted surface checking 74 Outboard motor safety 1 Outboard motor serial number 4 Overheat alert 40 45 Overheat alert indicator 31 32 Overloading 2 P Passenger training 3 Passengers 2 People in the water...

Page 106: ...juster 24 Throttle grip 23 Throttle indicator 23 Tiller handle 23 Tilt support lever 29 Tilting up and down 66 Top cowling removing 51 Transporting and storing outboard motor 71 Trim meter 32 Trim tab with anode 28 Trimming outboard motor 64 Trip meter 34 Trolling 62 Troubleshooting 90 Twin engine speed synchronizer 37 V Variable trolling RPM switches 28 Voltmeter 34 W Warming up engine 60 Warning...

Page 107: ...U6EK70E0 book Page 101 Friday January 31 2014 2 37 PM ...

Page 108: ...Printed on recycled paper Printed in Japan February 2014 1 1 1 CR U6EK70E0 book Page 1 Friday January 31 2014 2 37 PM ...

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Yamaha FL115B, Owner'S Manual

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