Yamaha F9.9 Owner'S Manual Download

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Engine control system

EMU26806

Alert system

NOTICE

ECM00093

Do not continue to operate the engine if an
alert device has activated. Consult your
Yamaha dealer if the problem cannot be
located and corrected.

EMU26869

Low oil pressure alert

If the oil pressure drops too low, the alert de-
vice will activate.



The engine speed will automatically de-
crease to about 2000–3500 r/min.



The low oil pressure-alert indicator will light
or blink (if equipped).



The buzzer will sound (if equipped).

If the alert system has activated, stop the en-
gine as soon as it is safe to do so. Check the
oil level and add oil as needed. If the oil level
is correct, consult your Yamaha dealer.

ZMU07904

ZMU02360

U6DR38E0.book Page 37 Tuesday, November 27, 2018 2:08 PM

Yamaha

Motor

Corporation

Summary of Contents for F9.9

Page 1: ...nual carefully before operating this outboard motor OWNER S MANUAL F9 9 T9 9 LIT 18626 12 34 6DR 28199 38 E0 U6DR38E0 book Page 1 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 2: ... sont considérés par l état de Californie comme étant cancérigènes et au monoxyde de carbone qui est considéré par l état de Californie comme un facteur de malformations congénitales ou d autres troubles de la reproduction Pour plus d informations rendez vous sur www P65Warnings ca gov ZMU08844 Read this manual carefully before operating this outboard motor Keep this manual onboard in a waterproof...

Page 3: ...nd 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 countries have l...

Page 4: ...anuals and labels 11 Warning labels 11 Specifications and requirements 15 Specifications 15 Installation requirements 16 Boat horsepower rating 16 Mounting outboard motor 17 Remote control requirements 17 Battery requirements 17 Specifications of Battery 17 To install the battery 17 Propeller selection 18 Start in gear protection 18 Engine oil requirements 19 Fuel requirements 19 Gasoline 19 Gasol...

Page 5: ...rd lanyard 42 Engine oil 43 Outboard motor 43 Flushing device 43 Install top cowling 44 Checking power tilt system 44 Battery 45 Filling fuel 45 Operating engine 47 Sending fuel portable tank 47 Starting engine 48 Checks after starting engine 56 Cooling water 56 Warming up engine 56 Manual start and electric start models 56 Checks after engine warm up 56 Shifting 56 Stop switches 56 Shifting 57 St...

Page 6: ...3 Inspecting wiring and connectors 84 Checking propeller 84 Removing propeller 84 Installing propeller 85 Changing gear oil 87 Inspecting and replacing anode s 88 Checking battery for electric start models 89 Connecting the battery 89 Disconnecting the battery 90 Trouble Recovery 91 Troubleshooting 91 Temporary action in emergency 94 Impact damage 94 Replacing fuse 94 Power tilt will not operate 9...

Page 7: ...e 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 tilt mechanism The power tilt switches operate even when the main switch is off Keep people be away from the switches whenever working around the motor Never get under the lower unit while it is tilted even when the tilt support lever or knob is locked Severe injury ...

Page 8: ...mum 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 as swimmers skiers or divers whenever the engine is running When some one is in the water near the boat shift into neutral and stop the engine Stay away from swimming areas Swimm...

Page 9: ...objects If the outboard motor hits a floating object or an obstacle in the water while cruising the following could occur The passengers and any loose equipment or luggage could be thrown forward due to the sudden deceleration Parts of the outboard motor could come loose as a result of the impact and could be thrown into the boat The boat or outboard motor could be dam aged as a result of the impa...

Page 10: ... operation Upon successful completion of the course the user can download a certificate of completion im mediately or for a small charge request one by mail To take this free course go to boa tus org For Canada All operators of pleasure craft must illustrate competency by means of a Pleasure Craft Operators Card with the exception of Person al Water Craft used for rental purposes which require a r...

Page 11: ... Suite 8 Bolton ON L7E 1H1 http www nmma org EMU33692 Basic boating rules Rules of the road Just as there are rules that apply when you are driving on streets and highways there are waterway rules that apply when you are driv ing your boat These rules are used interna tionally For U S A and are also enforced by the United States Coast Guard and local agencies You should be aware of these rules and...

Page 12: ... are followed Meeting you are approaching another ves sel head on Crossing you are traveling across the other vessel s path Overtaking you are passing or being passed by another vessel In the following illustration your boat is in the center You should give the right of way to any vessels shown in white area you are the Give Way vessel Any vessels in the shaded area must yield to you they are the ...

Page 13: ...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 Sailing vessel right of way Sailing vessels should normally be given the right of way The exceptions to this are 1 When the sailing vess...

Page 14: ... and colors to show regulatory or advisory information These markers are white with black letters and orange boarders They signify speed zones restricted areas danger areas and general information Remember markings may vary by geograph ic location Always consult local boating au thorities before driving your boat in unfamiliar waters ZMU01708 U6DR38E0 book Page 8 Tuesday November 27 2018 2 08 PM 2...

Page 15: ...the key identification number is stamped on your key as shown in the illustration Re cord this number in the space provided for reference in case you need a new key EMU46133 Compliance mark label Engines affixed with this label conform to the regulations for each country This label is affixed to the clamp bracket or swivel bracket 1 Outboard motor serial number location 1 Outboard motor serial num...

Page 16: ...CES 002 Compliance Label Engines affixed with this mark meet all re quirements of the Canadian Interference Causing Equipment Regulations 1 Compliance mark label location 1 Regulatory Compliance Mark RCM 1 ICES 002 Compliance Label ZMU08190 1 ZMU08191 1 U6DR38E0 book Page 10 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 17: ... boat Read all labels on the outboard motor and the boat If you need any additional information contact your Yamaha dealer EMU33836 Warning labels If these labels are damaged or missing contact your Yamaha dealer for replacements F9 9MHB T9 9MHB T9 9WHB U6DR38E0 book Page 11 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 18: ...General information 12 F9 9EHB F9 9EB T9 9PHB T9 9EB T9 9PB U6DR38E0 book Page 12 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 19: ...ing Do not touch or remove electrical parts when starting or during operation 3 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 6EE G2794 40 6EE H1994 40 6EE H1995 40 1 2 3 6EE G2794 50 6EE H1994 50 6EE...

Page 20: ...symbols mean as follows Notice Warning Read Owner s Manual Hazard caused by continuous rotation Electrical hazard ZMU05696 ZMU05664 ZMU05665 ZMU05666 U6DR38E0 book Page 14 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 21: ...HB 557 mm 21 9 in T9 9PB T9 9PHB 558 mm 22 0 in F9 9EHB F9 9MHB Motor transom height X 620 mm 24 4 in T9 9EB T9 9WHB 625 mm 24 6 in T9 9PB T9 9PHB Dry weight AL S 40 kg 88 lb F9 9MHB 42 kg 93 lb F9 9EB 44 kg 97 lb F9 9EHB Dry weight AL L 41 kg 90 lb F9 9MHB 45 kg 99 lb F9 9EHB T9 9EB T9 9MHB 47 kg 104 lb T9 9WHB 49 kg 108 lb T9 9PB 52 kg 115 lb T9 9PHB Dry weight AL X 46 kg 101 lb T9 9EB 48 kg 106...

Page 22: ...egular unleaded gasoline Min pump octane number PON 86 Fuel tank capacity 12 L 3 17 US gal 2 64 Imp gal Recommended engine oil YAMALUBE 4M FC W or 4 stroke outboard motor oil Recommended engine oil grade 1 SAE 10W 30 10W 40 5W 30 API SE SF SG SH SJ SL Engine oil quantity 0 8 L 0 85 US qt 0 70 Imp qt Lubrication system Wet sump Recommended gear oil Yamalube Marine Gearcase Lube or Hypoid gear oil R...

Page 23: ...battery that meets the fol lowing specifications The engine cannot be started if battery voltage is too low NOTICE ECM01064 Do not use a battery that does not meet the specified capacity If a battery that does not meet specifications is used the electric system could perform poor ly or be overloaded causing electric system damage Do not use a battery which exceeds the maximum CCA rating If the bat...

Page 24: ...r Yamaha dealer can help you select the right propeller for your boating needs Select a propeller that will allow the engine to reach the middle or upper half of the operating range at full throttle with the maximum boat load Generally select a larger pitch propeller for a smaller operating load and a smaller pitch propeller for a heavier load If you carry loads that vary widely select the propell...

Page 25: ... NOTICE Fail ure to comply with these recommenda tions may also result in unscheduled maintenance fuel system damage and in ternal engine damage ECM04480 NOTICE ECM01982 Do not use leaded gasoline Leaded gasoline can seriously damage the en gine Avoid getting water and contaminants in the fuel tank Contaminated fuel can cause poor performance or engine dam age Use only fresh gasoline that has been...

Page 26: ...Ethanol is hygroscopic has a strong at traction to water Therefore any water that inadvertently enters the fuel system in cluding moisture that is absorbed from the air will mix with the ethanol in the gasoline If the amount of water is excessive the eth anol and water mixture will separate from the gasoline in a layer at the bottom of the fuel tank This ethanol and water mixture is very corrosive...

Page 27: ...d to maintain your boat s performance Boats moored in the wa ter should be protected from marine growth barnacles mussels and marine plants If approved by regulations for your area the bottom of the hull can be coated with an anti fouling paint to inhibit marine growth Anti fouling paints specifically formulated for use on aluminum may be applied to the out board motor The original Yamaha paint su...

Page 28: ...ne conforms to U S Environmental Protection Agency EPA regulations for ma rine SI engines See the label affixed to your engine for details EMU25245 Approval label of emission control certifi cate This label is attached at the location shown New Technology 4 stroke HPDI EM EMU25275 Star labels Your outboard motor is labeled with a Califor nia Air Resources Board CARB star label See below for a desc...

Page 29: ...ngines EMU40351 Three Stars Ultra Low Emission The three star label identifies engines that meet the Air Resources Board s Personal Watercraft and Outboard marine engine 2008 exhaust emission standards or the Sterndrive and Inboard marine engine 2003 2008 ex haust emission standards Engines meeting these standards have 65 lower emissions than One Star Low Emission engines EMU33862 Four Stars Super...

Page 30: ...r F9 9MHB F9 9EHB F9 9EB 1 7 8 9 2 3 4 5 6 11 10 1 Top cowling 2 Clamp bracket 3 Trim rod 4 Drain screw 5 Cooling water inlet 6 Propeller 7 Cowling lock lever 8 Idle hole 9 Anti cavitation plate 10 Remote control box side mount type 11 Fuel tank U6DR38E0 book Page 24 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 31: ...tilt switch 3 Clamp bracket 4 Trim rod 5 Drain screw 6 Cooling water inlet 7 Propeller 8 Cowling lock lever 9 Idle hole 10 Anti cavitation plate 11 Remote control box side mount type 12 Fuel tank U6DR38E0 book Page 25 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 32: ...ons 1 9 2 12 14 13 15 10 11 15 2 3 4 5 7 6 12 13 14 17 16 14 8 ZMU07890 1 Manual starter handle 2 Choke knob 3 Flushing device 4 Steering friction adjuster 5 Tilt lock lever 6 Tilt support knob 7 Restraint cable attachment 8 Clamp screw 9 Starter button 10 Alert indicator 11 Starter button 12 Engine stop button 13 Gear shift lever 14 Throttle friction adjuster 15 Throttle grip 16 Power tilt switch...

Page 33: ...tch es are mounted 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 Fuel joint 2 Press...

Page 34: ...Choke switch To activate the choke system press in the main switch while the key is turned to the on or start position The choke system will then supply the rich fuel mixture required to start the engine When the key is released the choke will switch off automatically EMU25914 Tiller handle To change direction move the tiller handle to the left or right as necessary EMU25925 Gear shift lever Move ...

Page 35: ...r A friction device provides adjustable resis tance to movement of the throttle grip or the remote control lever and can be set accord ing to operator preference To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise WARNING Do not overtighten the friction adjuster If there is too much resistance it could be difficult to move the remote control...

Page 36: ...ur arm or leg while operating Do not attach the cord to clothing that could tear loose Do not route the cord where it could become en tangled preventing it from functioning Avoid accidentally pulling the cord during normal operation Loss of engine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause peo ple and objects in the boat to ...

Page 37: ...on system its operation is described below off With the main switch in the off posi tion the electrical circuits are off and the key can be removed on With the main switch in the on position the electrical circuits are on and the key can not be removed start With the main switch in the start po sition the starter motor turns to start the en gine When the key is released it returns automatically to...

Page 38: ...er 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 EWM00041 Do not overtighten the friction adjuster If there is too much r...

Page 39: ...d determines the minimum trim angle of the outboard motor in relation to the transom EMU30531 Tilt lock mechanism The tilt lock mechanism is used to prevent the outboard motor from lifting out of the water when in reverse gear To lock it set the tilt lock lever in the lock po sition To release push the tilt lock lever in the release position EMU26323 Tilt support knob To keep the outboard motor in...

Page 40: ...dditional support device to secure it in the tilt posi tion EMU26362 Power tilt unit This unit tilts the outboard motor up and down and is controlled with the power tilt switch NOTICE ECM00631 Do not step on or exert pressure on the power tilt motor The power tilt unit could be damaged as a result NOTICE ECM00661 Do not use the tilt support lever or knob when trailering the boat The outboard motor...

Page 41: ...e 73 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 37 1 Cowling lock lever 1 Flushing device 1 ZMU07818 1 Low oil pressure alert indicator 1 ZMU07820 U6DR38E0 book Page 35 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 42: ... engine if the low oil pressure alert indicator is on and the engine oil level is lower Serious en gine damage will occur The low oil pressure alert indicator does not indicate the engine oil level Use the oil dipstick to check the oil level For fur ther information see page 43 1 Low oil pressure alert indicator 1 ZMU07820 U6DR38E0 book Page 36 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a ...

Page 43: ... will activate The engine speed will automatically de crease to about 2000 3500 r min The low oil pressure alert indicator will light or blink if equipped The buzzer will sound if equipped If the alert system has activated stop the en gine as soon as it is safe to do so Check the oil level and add oil as needed If the oil level is correct consult your Yamaha dealer ZMU07904 ZMU02360 U6DR38E0 book ...

Page 44: ...tly mount ed models your dealer or other person experienced in proper rigging should mount the motor EMU34802 Mounting the outboard motor NOTICE ECM01681 Do not hold the top cowling when mount ing or dismounting the outboard motor The top cowling could come off causing the outboard motor to fall 1 Be sure to mount the outboard motor while the boat is on land If the boat is on the water move it to ...

Page 45: ...rd motor so that the anti cavitation plate is between the bottom of the boat and a level 25 mm 1 in below it NOTICE ECM01635 Make sure that the idle hole is high enough to prevent water from entering the engine even if the boat is stationary with the maximum load Incorrect engine height or obstructions to the smooth flow of water such as the design or condition of the boat or ac cessories such as ...

Page 46: ...ju ry Make sure the clamp screws are tightened securely Occasionally check the screws for tightness during operation EWM00643 2 If the restraint cable attachment is equipped on your engine a restraint ca ble or chain should be used Attach one end to the restraint cable attachment and the other to a secure mounting point on the boat Otherwise the engine could be completely lost if it accidentally f...

Page 47: ...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 plane but avoid full throttl...

Page 48: ...fuel leaks or gasoline fumes in the boat Check for fuel leakage from the fuel sys tem Check the fuel tank and fuel lines for cracks swellings or other damage EMU36903 Controls Tiller handle models Move the tiller handle fully to the left and right to make sure operation is smooth Turn the throttle grip from the fully closed to the fully open position Make sure that it turns smoothly and that it co...

Page 49: ...e upper mark EMU40412 Outboard motor Check that the outboard motor is mounted properly and check the outboard motor mounting bolts for looseness Check the propeller for damage Check for engine oil leaks EMU36494 Flushing device Check that the flushing device s garden hose connector is securely screwed on to the fit ting on the bottom cowling NOTICE If the garden hose connector is not properly conn...

Page 50: ... cowling is loose have it repaired by your Yamaha dealer EMU34783 Checking power tilt system WARNING EWM01971 Never get under the lower unit while it is tilted even when the tilt support knob is locked Severe injury could occur if the outboard motor accidentally falls Body parts can be crushed between the motor and the clamp bracket when the motor is trimmed or tilted Be sure no one is near the ou...

Page 51: ...osion Gasoline is poisonous and can cause in jury or death Handle gasoline with care Never siphon gasoline by mouth If you should swallow some gasoline or inhale a lot of gasoline vapor or get some gas oline in your eyes see your doctor im mediately If gasoline spills on your skin wash with soap and water If gasoline spills on your clothing change your clothes Before refueling check the following ...

Page 52: ...el tank cap again turn the fuel tank cap counterclockwise to remove it 7 Fill the fuel tank with fuel WARNING Do not overfill Otherwise fuel can expand and overflow if the temperature in creases EWM02611 TIP Wipe up any spilled gasoline immediately with dry rags 1 Air vent screw 1 Air vent screw 1 Pressure relief tab 2 Fuel tank cap 1 ZMU07444 1 ZMU07445 1 2 ZMU07446 1 Pressure relief tab 2 Fuel t...

Page 53: ...mes and sparks while loosening the air vent screw 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 ar eas well ventilated Avoid blocking ex haust outlets EMU44561 Sending fuel portable tank 1 To loosen the air vent screw turn it coun t...

Page 54: ...tructions Be sure there are no swimmers in the water near you EMU34815 Manual start models tiller control WARNING EWM01842 Failure 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 cor...

Page 55: ...ngine shut off switch 3 Place the throttle grip in the start position 4 Pull out the choke knob fully 5 Pull the manual starter handle slowly un til you feel resistance Then give a strong pull straight out to crank and start the en gine 6 After the engine starts slowly return the manual starter handle to its original posi tion before releasing it 7 Slowly return the throttle grip to the fully clos...

Page 56: ...difficult to start If the engine is difficult to start place the throttle grip in the warm engine position and try again Starting procedure warm engine 1 Place the gear shift lever in neutral 2 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 3 Place the throttle grip in the sta...

Page 57: ... 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 Loss of engine 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 Starting procedure cold en...

Page 58: ... turning for more than 5 seconds If the starter motor is turned continuously for more than 5 seconds the battery will be quickly discharged thus making it impossible to start the engine The starter can also be dam aged If the engine will not start after 5 seconds of cranking release the starter button wait 10 seconds then crank the engine again ECM00162 7 Slowly return the throttle grip to the ful...

Page 59: ...p For fur ther information see page 56 Starting procedure warm engine 1 Place the gear shift lever in neutral 2 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 3 Place the throttle grip in the start position 4 Push the starter button to start the en gine ZMU02030 U6DR38E0 book ...

Page 60: ...ttach 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 Loss of engine 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 1 Place the remote co...

Page 61: ...ately after the engine starts re lease the main switch and allow it to re turn to on The remote choke system stops operating when the main switch is released NOTICE Never turn the main switch to start while the engine is running Do not keep the starter motor turning for more than 5 seconds If the starter motor is turned continuously for more than 5 seconds the battery will be quickly discharged th...

Page 62: ...er pilot hole is blocked Consult your Yamaha dealer if the prob lem cannot be located and corrected EMU27671 Warming up engine EMU27718 Manual start and electric start models 1 After starting the engine allow it to idle for 3 minutes to warm up NOTICE Fail ure to do so will shorten engine life ECM04550 2 Be sure the low oil pressure alert indica tor goes off after starting the engine NOTICE If the...

Page 63: ... it to warm up To shift out of neutral 1 Pull the neutral interlock trigger up if equipped 2 Move the remote control lever gear shift lever firmly and crisply forward for for ward gear or backward for reverse gear about 35 a detent can felt for remote control models Be sure to check that the tilt lock lever is in the lock down po sition if equipped before operating in re verse TIP Tiller handle mo...

Page 64: ...ntrol boat swamping or damage to the boat could occur The boat is not equipped with a 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 EMU27822 Stopping engine Before stopping the engine first let it cool off for a few minutes at idle or low speed Stop...

Page 65: ... gine shut off cord the engine can also be stopped by pulling the cord and removing the clip from the engine shut off switch EMU43442 Procedure 1 Turn the main switch to off 2 Disconnect the fuel hose from the fuel joint on the outboard motor 1 Fuel joint 2 Fuel hose ZMU07906 ZMU08310 1 2 1 Air vent screw 1 ZMU07444 ON OFF ZMU01779 ZMU07906 U6DR38E0 book Page 59 Tuesday November 27 2018 2 08 PM 2 ...

Page 66: ...ns to feel unstable or is hard to steer slow down and or readjust the trim angle 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 Correct trim angle depends upon the combination of boat engine and propeller Correct trim is also affected by vari...

Page 67: ...e clear of the out board motor when adjusting the trim an gle Body parts can be crushed between the motor and the clamp bracket when the motor is trimmed or tilted Use caution when trying a trim position for the first time Increase speed gradu ally and watch for any signs of instability or control problems Improper trim an gle can cause loss of control If equipped with a power trim and tilt switch...

Page 68: ...l of the boat is pushing the water and there is more air drag Excessive trim out can also cause the propeller to ventilate which reduces per formance further and the boat may por poise hop in the water which could throw the operator and passengers overboard Bow Down Too much trim in causes the boat to plow through the water decreasing fuel economy and making it hard to increase speed Oper ating wi...

Page 69: ...e 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 EMU43222 Procedure for tilting up manual tilt models 1 Place the remote control lever gear shift lever in neutral 2 Disconnect the fuel hose from the fuel joint on the outboard motor 3 Place the tilt lock lever if equipped in the release up p...

Page 70: ...al support device to secure it in the tilt position For more detailed informa tion see page 69 ECM01642 EMU44650 Procedure for tilting up power tilt models 1 Place the remote control lever gear shift lever in neutral 2 Press the power tilt switch up until the outboard motor has tilted up com pletely N ZMU01771 UP ZMU01787 U6DR38E0 book Page 64 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M...

Page 71: ...n use an addi tional support device to secure it in the tilt position For more detailed in formation see page 69 ECM01642 EMU30193 Procedure for tilting down manual tilt models 1 Place the tilt lock lever in the lock posi tion 2 Slightly tilt the engine up until the tilt sup port bar is automatically released 3 Slowly tilt the engine down EMU44620 Procedure for tilting down power tilt models 1 Pus...

Page 72: ... extra care when operating in re verse Too much reverse thrust can cause the outboard motor to lift out of the water increasing the chance of ac cident and personal injury NOTICE ECM00261 Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set ting up for and cruising in shallow water Otherwise severe damage from overheat ing c...

Page 73: ...tilt support bar auto matically returns to the free position 6 Slowly lower the outboard motor to the normal position EMU32862 Power tilt models The outboard motor can be tilted up partially to allow operation in shallow water NOTICE ECM00261 Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set ting up for and cruising in sh...

Page 74: ...ng in salt water After operating in salt water flush the cooling water passages with fresh water to prevent them from becoming clogged Also rinse the outside of the outboard motor with fresh wa ter Cruising in muddy turbid or acidic water Yamaha strongly recommends that you use the optional chromium plated water pump kit see page 21 if you use the outboard motor in acidic water or water with a lot...

Page 75: ...lated place Store the fuel tank in a place that is stable and not exposed to shocks When the outboard motor is tilted for a pro longed time for mooring or trailering the boat make sure to follow the procedure listed be low Disconnect the fuel hose from the fuel joint on the outboard motor Tighten the fuel tank cap and its air vent screw The outboard motor should be transported and stored in the no...

Page 76: ...dismount it from the boat 7 When transporting or storing the out board motor while removed from a boat keep the outboard motor in the attitude shown or use an outboard motor stand 1 Steering bracket 2 Handgrip 1 2 ZMU07878 ZMU02263 ZMU02487 U6DR38E0 book Page 70 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 77: ...nlight EMU41382 Conditioning and stabilizing gasoline When preparing to store a boat for extended periods 2 months or longer it is best to com pletely remove all gasoline from the boat s fuel tank s If it is not possible to remove the gasoline add one ounce of Yamalube Fuel Stabilizer Conditioner Plus to each gallon of gasoline in a full tank of gasoline to provide fuel stability and corrosion pro...

Page 78: ...ther details see page 38 7 Fill the tank with fresh water to above the level of the anti cavitation plate NOTICE If the fresh water level is be low the level of the anti cavitation plate or if the water supply is insuffi cient engine seizure may occur ECM00292 8 Cooling system flushing is essential to prevent the cooling system from clog ging up with salt sand or dirt In addi tion fogging of the e...

Page 79: ...res 1 Wash down the exterior of the outboard motor with fresh water and dry off com pletely NOTICE Do not spray water into the air intake ECM01841 For further in formation see page 74 2 Spray the outboard motor exterior with Yamaha Silicone Protectant NOTICE Do not spray when the engine is run ning Also do not spray near the si lencer or into the engine Otherwise the engine could be damaged ECM014...

Page 80: ...hing the engine ECM00542 TIP When flushing the engine with the boat in the water tilting up the outboard motor un til it is completely out of the water will achieve better results For cooling system flushing instructions see page 69 EMU44342 Cleaning the outboard motor When cleaning the outboard motor the top cowling must be installed 1 Wash the exterior of the outboard motor using fresh water NOT...

Page 81: ... available for purchase through your Yamaha dealer for owners who have the mechanical skills tools and other equipment necessary to perform mainte nance not covered by this owner s manual EMU28512 Replacement parts If replacement parts are necessary use only genuine Yamaha parts or parts of equivalent design and quality Any part of inferior quality may malfunction and the resulting loss of control...

Page 82: ... 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 Item Actions Initial Every Page 20 hours 3 months 100 hours 1 year 300 hours 3 years 500 hours 5 years Anode s external Inspection or re placement as nec essary 88 Anode s internal 1 Inspection or re placement as nec essary Anode s internal 2 Replacement B...

Page 83: ...opeller nut cotter pin Inspection or re placement as nec essary 84 Shift link shift ca ble Inspection adjust ment or replace ment as necessary Spark plug s Inspection or re placement as nec essary 80 Spark plug caps spark plug wires Inspection or re placement as nec essary Water from the cooling water pilot hole Inspection 56 Throttle link throt tle cable Inspection adjust ment or replace ment as ...

Page 84: ...s con nections wire cou pler connections Inspection or re placement as nec essary Fuel tank optional Yamaha portable fuel tank Inspection and cleaning as neces sary Item Actions Every Page 1000 hours Exhaust guide ex haust manifold Inspection or re placement as nec essary Timing belt Replacement Item Actions Initial Every Page 20 hours 3 months 100 hours 1 year 300 hours 3 years 500 hours 5 years ...

Page 85: ...Maintenance 79 EMU41303 Greasing Yamalube Marine Grease ZMU06671 U6DR38E0 book Page 79 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 86: ...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 3 Be sure to use the specified spark plug otherwise the engine may not operate properly Before fitting the spark plug measure the electrode gap with a wire thickness gauge replace it if out of spec ification 4 When fitting the plug wipe ...

Page 87: ...idle speed specifications see page 15 If you have difficulty verifying the idle speed or the idle speed requires adjustment consult a Yamaha dealer or other qualified mechanic EMU38808 Changing engine oil WARNING EWM00761 Avoid draining the engine oil immediate ly after stopping the engine The oil is hot and should be handled with care to avoid burns Be sure the outboard motor is securely fastened...

Page 88: ... drain easily change the tilt angle or turn the outboard motor to port and starboard to drain the oil 7 Put a new gasket on the oil drain screw Apply a light coat of oil to the gasket and install the drain screw TIP If a torque wrench is not available when you are installing the drain screw finger tighten the screw just until the gasket comes into contact with the surface of the drain hole Then ti...

Page 89: ... 14 Install the top cowling 15 Dispose of used oil according to local regulations TIP For more information on the disposal of used oil consult your Yamaha dealer Change the oil more often when operating the engine under adverse conditions such as extended trolling EMU48060 Why Yamalube YAMALUBE oil is a Genuine YAMAHA Part born of the engineers passion and belief that engine oil is an important li...

Page 90: ...ing the propeller nut Put a wood block between the anti cavi tation plate and the propeller to prevent the propeller from turning Checkpoints Check each of the propeller blades for ero sion from cavitation or ventilation or other damage Check the propeller shaft for damage Check the splines for wear or damage Check for fish line tangled around the pro peller shaft Check the propeller shaft oil sea...

Page 91: ...t grease to the propeller shaft 2 Install the spacer if equipped thrust washer washer if equipped and pro peller on the propeller shaft NOTICE Make sure to install the thrust washer before installing the propeller Other wise the lower case and propeller boss could be damaged ECM01882 3 Install the spacer if equipped and the washer Tighten the propeller nut to the specified torque 1 Cotter pin 2 Pr...

Page 92: ...on the propeller shaft NOTICE Make sure to install the thrust washer before installing the propeller Other wise the lower case and propeller boss could be damaged ECM01882 3 Install the spacer and the washer Tight en the propeller nut to the specified torque 4 Align the propeller nut with the propeller shaft hole Insert a new cotter pin in the hole and bend the cotter pin ends NOTICE Do not reuse ...

Page 93: ...rew before installing it Always use new gaskets Do not reuse the removed gaskets 4 Remove the oil level plug and gasket to allow the oil to drain completely NOTICE Check the used gear oil after it has been drained If the gear oil is milky or contains water or a large amount of metal particles the gear case may be damaged Have a Yamaha dealer check and repair the outboard motor ECM00714 TIP For dis...

Page 94: ...tors are protected from corrosion by sacrificial anodes Inspect the external anodes periodically Remove scales from the surfaces of the anodes Consult a Yamaha dealer for replacement of external anodes NOTICE ECM00721 Do not paint anodes as this would render them ineffective TIP Inspect ground leads attached to external an odes on equipped models Consult a Yamaha dealer for inspection and replace ...

Page 95: ...nctions will help you monitor the bat tery s charge If the battery needs charg ing consult your Yamaha dealer 3 Check the battery connections They should be clean secure and covered by an insulating cover WARNING Bad connections can produce shorting or arcing and cause an explosion EWM01913 EMU29335 Connecting the battery WARNING EWM00573 Mount the battery holder securely in a dry well ventilated ...

Page 96: ...rical 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 short circuit and dam age to the electrical system ECM01941 3 Disconnect the positive cable s and re move the battery from the boat 4 Clean maintain and store the battery according to the manufacturer s instruc tions U6DR38E0 book Page 90 ...

Page 97: ... gear A Shift to neutral Engine will not start starter operates Q Is fuel tank empty A Fill tank with clean fresh fuel Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Is starting procedure incorrect A See page 48 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spark plug s fouled or of incorrect type A In...

Page 98: ...ent screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by a Yamaha dealer Q Is battery cable disconnected A Conne...

Page 99: ...rk plug s Clean or replace with recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel filter clogged A Clean or replace filter Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is spark plug gap inco...

Page 100: ... or damaged A Tighten or have serviced by a Yamaha dealer EMU29435 Temporary action in emergen cy EMU29442 Impact damage WARNING EWM00871 The outboard motor can be seriously damaged by a collision while operating or trailering Damage could make the out board motor unsafe to operate If the outboard motor hits an object in the wa ter follow the procedure below 1 Stop the engine immediately 2 Check t...

Page 101: ...e engine cannot be cranked with the start er the engine can be started with an emer gency starter rope WARNING EWM01023 Use this procedure only in an emergen cy to return to the nearest port for re pairs When the emergency starter rope is used to start the engine the start in gear protection device does not oper ate Make sure the remote control lever is in neutral Otherwise the boat could unexpect...

Page 102: ...is running Do not touch the ignition coil spark plug wire spark plug cap or other electrical components when starting or operating the motor You could get an electrical shock EMU29563 Emergency starting engine 1 Remove the top cowling 2 Remove the start in gear protection ca ble from the starter if equipped 3 Remove the starter flywheel cover after removing the bolt s 4 Prepare the engine for star...

Page 103: ...may stop In such a situation follow the procedure below Disconnect the yellow cord emergency cir cuit of the CDI unit Run the engine at low speed and return to port NOTICE Follow this procedure only in an emergency and just long enough to return to port for repairs ECM00382 EMU33502 Treatment of submerged motor If the outboard motor is submerged immedi ately take it to a Yamaha dealer Otherwise so...

Page 104: ...assistance The local dealer will contact Yamaha on the owner s behalf so that needed repairs can be made as quickly as possible CUSTOMER S RESPONSIBILITY Under the terms of this warranty the customer will be responsible for ensuring that the outboard motor is properly operated maintained and stored as specified in the applicable Owner s Manual The owner of the outboard motor shall give notice to a...

Page 105: ...CIFIC LEGAL RIGHTS AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE PROVINCE TO PROVINCE YAMAHA MAKES NO OTHER WARRANTY OF ANY KIND EXPRESSED OR IMPLIED ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE OBLIGATIONS AND TIME LIMITS STATED IN THIS WARRANTY ARE HEREBY DISCLAIMED BY YAMAHA AND EXCLUDED FROM THIS WARRANTY SOME STATES PROVIN...

Page 106: ...re temporarily using a U S registered outboard motor in Canada or a Canada registered outboard motor in the United States and it needs warranty repairs you should contact a nearby authorized Yamaha Outboard Motor Dealer for assistance The local dealer will contact Yamaha on the owner s behalf so that needed repairs can be made as quickly as possible 2 If you need repairs while temporarily using yo...

Page 107: ...mark label 9 Components diagram 24 Control functions checking 42 Cooling water 56 Cowling lock lever 34 Cruising in salt water or other conditions 68 D Dismounting the outboard motor 69 E Electric shock 1 Emergency engine operation 97 Emergency equipment 22 Emergency starting engine 96 Emergency temporary action in 94 Emission control information 22 Engine fails to operate 97 Engine oil 43 Engine ...

Page 108: ...oading 2 P Passenger training 4 Passengers 2 People in the water 2 Periodic maintenance 75 Personal flotation devices PFDs 2 Power tilt 1 Power tilt switch 32 Power tilt system checking 44 Power tilt unit 34 Power tilt will not operate 95 Propeller 1 Propeller checking 84 Propeller installing 85 Propeller removing 84 Propeller selection 18 R Read manuals and labels 11 Remote control box 27 Remote ...

Page 109: ...nd down 62 To install the battery 17 Top cowling installing 44 Top cowling removing 42 Transporting and storing outboard motor 69 Trim rod tilt pin 33 Trimming outboard motor 60 Troubleshooting 91 W Warming up engine 56 Warning labels 11 Warranty information use outside the U S A or Canada 100 Warranty limited 98 Weather 3 Wiring and connectors inspecting 84 Y Yamalube 83 U6DR38E0 book Page 103 Tu...

Page 110: ...U6DR38E0 book Page 104 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

Page 111: ... perform right right out of the box Yamalube Take care of your Yamaha with legendary Yamalube oils lubricants and care products They re formulated and approved by the toughest judges we know the Yamaha engineering teams that know your Yamaha from the inside out Genuine Yamaha Service Manuals Get the same factory manual for your vehicle that the technicians at your authorized Yamaha dealer use Serv...

Page 112: ...Printed on recycled paper Printed in Japan December 2018 1 2 1 CR U6DR38E0 book Page 1 Tuesday November 27 2018 2 08 PM 2 0 2 0 Y a m a h a M o t o r C o r p o r a t i o n ...

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