Yamaha F8C Owner'S Manual Download Page 36

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Installation

packaging. If used, they must be of at
least the same quality of material and
strength and must be tightened se-
curely. After tightening, test run the
engine and check their tightness.

[EWM00652]

1. Bolts

ZMU02014

U60R79E0.book Page 30 Wednesday, December 18, 2013 1:32 PM

Summary of Contents for F8C

Page 1: ...Read this manual carefully before operating this outboard motor OWNER S MANUAL F8C FT8D 60R F8199 79 E0 U60R79E0 book Page 1 Wednesday December 18 2013 1 32 PM ...

Page 2: ...refully 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 U60R79E0 book Page 1 Wednesday December 18 2013 1 32 PM ...

Page 3: ...ancies between 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 w...

Page 4: ...12 Battery requirements 12 Battery specifications 12 Mounting battery 12 Propeller selection 12 Start in gear protection 13 Engine oil requirements 13 Fuel requirements 14 Gasoline 14 Anti fouling paint 14 Outboard motor disposal requirements 14 Emergency equipment 14 Components 16 Components diagram 16 Fuel tank 17 Fuel joint 18 Fuel gauge 18 Fuel tank cap 18 Air vent screw 18 Remote control box ...

Page 5: ...ting 41 Stop switches 41 Shifting 41 Stopping boat 43 Stopping engine 43 Procedure 43 Procedure 44 Trimming outboard motor 44 Adjusting trim angle for manual tilt models 45 Adjusting trim angle power tilt models 45 Adjusting boat trim 46 Tilting up and down 47 Procedure for tilting up manual tilt models 47 Procedure for tilting up power tilt models 48 Procedure for tilting down manual tilt models ...

Page 6: ...g anode s 71 Checking battery for electric start models 71 Connecting the battery 72 Disconnecting the battery 72 Trouble Recovery 73 Troubleshooting 73 Temporary action in emergency 76 Impact damage 76 Replacing fuse 76 Power tilt will not operate 77 Starter will not operate 77 Emergency starting engine 78 Engine fails to operate 79 Emergency engine operation 79 Treatment of submerged motor 79 IN...

Page 7: ...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 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...

Page 8: ...enever boating At a mi nimum children and non swimmers should always wear PFDs and everyone should wear PFDs when there are potentially hazard ous 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...

Page 9: ...opping 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 training Make sure at least one other passenger is trained to operat...

Page 10: ...s equipped with the mo tor 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 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 E...

Page 11: ...conformed directives EMU25207 CE Marking Outboard motors affixed with this CE mark ing conform with the directives of 2006 42 EC 94 25 EC 2003 44 EC and 2004 108 EC 1 CE marking location 1 CE marking location ZMU06304 U60R79E0 book Page 5 Wednesday December 18 2013 1 32 PM ...

Page 12: ... 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 F8CMH FT8DMH U60R79E0 book Page 6 Wednesday December 18 2013 1 32 PM ...

Page 13: ...General information 7 FT8DE FT8DEP U60R79E0 book Page 7 Wednesday December 18 2013 1 32 PM ...

Page 14: ...r and clothing away from rotating parts while the engine is running 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 ZMU05706 1...

Page 15: ...ng Read Owner s Manual Hazard caused by continuous rotation Electrical hazard Remote control lever gear shift lever operat ing direction dual direction Engine start Engine cranking ZMU05696 ZMU05664 ZMU05665 ZMU05666 ZMU05667 ZMU05668 U60R79E0 book Page 9 Wednesday December 18 2013 1 32 PM ...

Page 16: ...9 in FT8DEP 557 mm 21 9 in FT8DMH 557 mm 21 9 in Motor transom height X FT8DE 625 mm 24 6 in FT8DMH 625 mm 24 6 in Dry weight AL S F8CMH 38 kg 84 lb Dry weight AL L F8CMH 39 kg 86 lb FT8DE 45 kg 99 lb FT8DEP 50 kg 110 lb FT8DMH 45 kg 99 lb Dry weight AL X FT8DE 46 kg 101 lb FT8DMH 46 kg 101 lb Performance Full throttle operating range 5000 6000 r min Rated power 5 9 kW 8 HP Idle speed in neutral 1...

Page 17: ...4 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 outboard gear oil or Hypoid gear oil Recommended gear oil grade SAE 90 API GL 4 Gear oil quantity F8CMH 0 150 L 0 159 US qt 0 132 Imp qt FT8DE 0 370 L 0 391 US qt 0 326 Imp qt FT8DEP ...

Page 18: ...ld dis continue using the outboard Contact your Yamaha dealer The remote control unit must be equipped with a start in gear protection device s This device prevents the engine from starting un less it is in neutral EMU25695 Battery requirements EMU25723 Battery specifications The engine cannot be started if battery volt age is too low EMU36291 Mounting battery Mount the battery holder securely in ...

Page 19: ...tarted only when it is in neutral Always select neutral be fore starting the engine EMU39693 Engine oil requirements Select an oil grade according to the average temperatures in the area where the outboard motor will be used If oil grades listed under Recommended en gine oil grade 1 are not available select an al ternative oil grade listed under Recommended engine oil grade 2 Recommended engine oi...

Page 20: ...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 in the fuel can cause corrosion of metallic fuel system components starting and running complaints and require addition al fuel system maintenance EMU36331 Anti fouling paint A clean hull improves boat p...

Page 21: ...Specifications and requirements 15 Spare parts such as an extra set of spark plugs Consult your Yamaha dealer for details U60R79E0 book Page 15 Wednesday December 18 2013 1 32 PM ...

Page 22: ...opeller 5 Cooling water inlet 6 Drain screw 7 Trim rod 8 Clamp bracket 9 Gear shift lever 10 Flushing device 11 Choke knob 12 Fuel joint 13 Manual starter handle 14 Alert indicator 15 Engine stop button Engine shut off switch 16 Tiller handle 17 Throttle grip 18 Throttle friction adjuster 19 Tilt lock lever 20 Clamp screw 21 Restraint cable attachment 22 Fuel tank U60R79E0 book Page 16 Wednesday D...

Page 23: ...y regula tions 1 Top cowling 2 Cowling lock lever 3 Anti cavitation plate 4 Propeller 5 Cooling water inlet 6 Drain screw 7 Clamp bracket 8 Flushing device 9 Choke knob 10 Fuel joint 11 Manual starter handle 12 Alert indicator 13 Engine stop button Engine shut off switch 14 Gear shift lever 15 Tiller handle 16 Throttle grip 17 Throttle friction adjuster 18 Tilt lock lever 19 Clamp screw 20 Restrai...

Page 24: ...e electrical switch 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 Ai...

Page 25: ...ral throttle lever is in the closed position EMU26222 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...

Page 26: ...tle friction adjuster 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 mov...

Page 27: ...r WARNING At tach the engine shut off cord to a secure place on your clothing or your arm or leg while operating Do not attach the cord to clothing that could tear loose Do not rou te the cord where it could become entan gled preventing it from functioning Avoid accidentally pulling the cord during nor mal operation Loss of engine power means the loss of most steering control Also without engine p...

Page 28: ...ch controls the ignition 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 re...

Page 29: ... be set according to operator preference An ad justing screw or bolt is located on the swivel bracket To increase resistance turn the adjuster clockwise To decrease resistance turn the adjuster counterclockwise WARNING EWM00041 Do not overtighten the friction adjuster If there is too much resistance it could be difficult to steer which could result in an accident EMU26263 Trim rod tilt pin The pos...

Page 30: ...lt position EMU26334 Tilt support bar The tilt support bar keeps the outboard motor in the tilted up position NOTICE ECM01661 Do not use the tilt support bar when traile ring the boat The outboard motor could shake loose from the tilt support and fall If the motor cannot be trailered in the nor mal running position use an additional support device to secure it in the tilt posi tion EMU26362 Power ...

Page 31: ... s and lift off the cowling When installing the cowling check to be sure it fits properly in the rubber seal Then lock the cowling by moving the cowling lock le ver s downward EMU26464 Flushing device This device is used to clean the cooling water passages of the motor using a garden hose and tap water TIP For details on usage see page 55 EMU26305 Alert indicator If the engine develops a condition...

Page 32: ... not continue to run the 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 remaining oil quantity For further information see page 33 1 Low oil pressure alert indicator U60R79E0 book Page 26 Wednesday December 18 2013 1...

Page 33: ... engine speed will automatically de crease to about 2000 r min If equipped with a low oil pressure alert indicator it will light or blink The buzzer will sound if equipped on the tiller handle remote control box or main switch panel 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 and the alert d...

Page 34: ... experienced in proper outboard motor mounting should show you how to mount your out board motor The outboard motor should be mounted so that the boat is well balanced Otherwise the boat could be hard to steer For single engine boats mount the outboard motor on the cen terline keel line of the boat EMU26926 Mounting height To run your boat at optimum efficiency the water resistance drag of the boa...

Page 35: ...the outboard motor see page 44 EMU26974 Clamping the outboard motor 1 Place the outboard motor on the tran som so that it is positioned as close to the center as possible Tighten the tran som clamp screws evenly and securely Occasionally check the clamp screws for tightness during operation of the out board motor because they could be come loose due to engine vibration WARNING Loose clamp screws c...

Page 36: ...must be of at least the same quality of material and strength and must be tightened se curely After tightening test run the engine and check their tightness EWM00652 1 Bolts 1 ZMU02014 U60R79E0 book Page 30 Wednesday December 18 2013 1 32 PM ...

Page 37: ...venly 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 pla...

Page 38: ...e EMU36452 Check for fuel leaks Check for 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 damages 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...

Page 39: ...w the lower mark or drain to the specified level if it is above the upper mark EMU27154 Engine Check the engine and engine mounting Look for loose or damaged fasteners 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 connect...

Page 40: ...1971 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 outboard mo tor before performing this check 1 Check the power tilt unit for any sign of oil leaks 2 Operat...

Page 41: ...e spills on your clothing change your clothes 1 Be sure the engine is stopped 2 Disconnect the fuel line from the fuel tank and tighten the air vent screw on the fuel tank cap 3 Remove the portable tank from the boat 4 Be sure you are in a well ventilated out door area either securely moored or trailered 5 Do not smoke and keep away from sparks flames static electric discharge or other sources of ...

Page 42: ...age or death when inhaled Symp toms include nausea dizziness and drowsiness Keep cockpit and cabin ar eas well ventilated Avoid blocking ex haust outlets EMU27469 Sending fuel portable tank 1 If there is an air vent screw on the fuel tank cap loosen it 2 or 3 turns 2 If there is a fuel joint on the motor align the fuel joint on the fuel line with the fuel joint on the motor and firmly connect the ...

Page 43: ... could tear loose Do not route the cord where it could become entangled pre venting 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 cau se people and objects in the boat to be thrown forward 1 Place the gear shift lever in neutral TIP The st...

Page 44: ...peat if necessary 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 closed position TIP When the engine is cold it needs to be warmed up For further information see page 41 If the engine does not start on the first try repeat the procedure If the engine fails to start after 4 or 5 tries ope...

Page 45: ...the boat could slow rapidly This could cau se people and objects in the boat to be thrown forward 1 Place the remote control lever in neutral TIP The start in gear protection device prevents the engine from starting except when in neu tral 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...

Page 46: ...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 return the main switch to on wait 10 seconds then crank the engine again ECM00193 EMU36511 Checks after starting engine EMU36524 Cooling ...

Page 47: ...ake sure the en gine stops Confirm that removing the clip from the en gine shut off switch stops the engine Confirm that the engine cannot be started with the clip removed from the engine shut off switch EMU34531 Shifting WARNING EWM00181 Before shifting make sure there are no swimmers or obstacles in the water near you NOTICE ECM01611 Warm up the engine before shifting into gear Until the engine ...

Page 48: ...l 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 ZMU02030 U60R79E0 book Page 42 Wednesday December 18 2013 1 32 PM ...

Page 49: ...ng 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 ping the engine immediately after operating at high speed is not recommended EMU27834 Procedure 1 P...

Page 50: ...e shut off switch then turning the main switch to off EMU27864 Trimming outboard motor WARNING EWM00741 Excessive trim for the operating condi tions either trim up or trim down can cau se boat instability and can make steering the boat more difficult This increases the possibility of an accident If the boat be gins to feel unstable or is hard to steer slow down and or readjust the trim angle The t...

Page 51: ...on 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 TIP The outboard motor trim angle can be changed approximately 4 degrees by shifting the trim rod one hole EMU27906 Adjusting trim angle power tilt mod els WARNING EWM00754 Be sure all people are clear of the out board motor when adjusting the tr...

Page 52: ...p attitude results in less drag greater stability and effi ciency This is generally when the keel line of the boat is up about 3 to 5 degrees With the bow up the boat may have a greater tenden cy to steer to one side or the other 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 th...

Page 53: ...board 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 than a few minutes Otherwise fuel may leak NOTICE ECM00242 Before tilting the outboard motor stop the engine ...

Page 54: ...tically NOTICE Do not use the tilt support lever or knob when trailering the boat The outboard motor could shake loose from the tilt support and fall If the mo tor cannot be trailered in the normal running position use an additional support device to secure it in the tilt position For more detailed informa tion see page 53 ECM01642 EMU44610 Procedure for tilting up power tilt models 1 Place the re...

Page 55: ...in the normal running position use an addi tional support device to secure it in the tilt position For more detailed in formation see page 53 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...

Page 56: ...oss of control Use extra care when operating in re verse Too much reverse thrust can cau se the outboard motor to lift out of the water increasing the chance of acci dent 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 ...

Page 57: ...en slightly tilt the outboard motor up until the 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 ...

Page 58: ...slowly tilt the outboard motor down EMU35392 Cruising in other conditions Cruising 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 Water in some areas can be acidic or with a lot of sediment in it such as muddy o...

Page 59: ...tion NOTICE ECM02441 When storing the outboard motor for pro longed time fuel must be drained from the fuel tank The deteriorated fuel could clog the fuel line causing engine start difficulty or malfunction When storing or transporting the outboard motor make sure to follow the procedure list ed below Disconnect the fuel line from the outboard motor Tighten the fuel tank cap and its air vent screw...

Page 60: ...t tank NOTICE ECM00302 Before starting the engine make sure to supply water to the cooling water passag es Otherwise the engine could overheat and be damaged 1 Wash the outboard motor body using fresh water NOTICE Do not spray wa ter into the air intake ECM01841 For further information see page 56 2 Disconnect the fuel line from the motor or shut off the fuel cock if equipped 3 Remove the engine t...

Page 61: ...ell ventilated place not in direct sunlight EMU28403 Lubrication 1 Install the spark plug s and torque to proper specification For information on spark plug installation see page 63 2 Change the gear oil For instructions see page 68 Inspect the oil for the presence of water that indicates a leaky seal Seal replacement should be performed by an authorized Yamaha dealer prior to use 3 Grease all gre...

Page 62: ...ns see page 53 EMU44341 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 NOTICE Do not spray water into the air intake ECM01841 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 ...

Page 63: ...r 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 acceleration and dec...

Page 64: ...l 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 Anode s cylinder head Replacement Battery electrolyte lev ...

Page 65: ...ires Inspection or replace ment as necessary Water from the cooling water pilot hole Inspection Throttle link throttle cable throttle pick up timing Inspection adjust ment or replacement as necessary Thermostat Inspection or replace ment as necessary Timing belt Inspection or replace ment as necessary Valve clearance Inspection and adjust ment Cooling water inlet Inspection Main switch stop switch...

Page 66: ...60 EMU34452 Maintenance chart 2 Item Actions Every 1000 hours Exhaust guide ex haust manifold Inspection or replace ment as necessary Timing belt Replacement U60R79E0 book Page 60 Wednesday December 18 2013 1 32 PM ...

Page 67: ...Maintenance 61 EMU28944 Greasing Yamaha grease A water resistant grease Yamaha grease D corrosion resistant grease for propeller shaft F8CMH U60R79E0 book Page 61 Wednesday December 18 2013 1 32 PM ...

Page 68: ...Maintenance 62 FT8DMH FT8DE FT8DEP U60R79E0 book Page 62 Wednesday December 18 2013 1 32 PM ...

Page 69: ... 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 off any dirt from the threads and then screw it in to the correct torque TIP...

Page 70: ...dle speed or the idle speed requires adjustment consult a Yamaha dealer or other qualified mechanic EMU38807 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 to the transom or a stable stand NOTICE ECM01711 Change the engine oil afte...

Page 71: ...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 tighten 1 4 to 1 2 turn more Tighten the drain screw to the correct torque with a torque wrench as soon ...

Page 72: ...d ECM01623 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 EMU29115 Inspecting wiring and connectors Inspect that each connector is engaged se curely Inspect that each ground lead is p...

Page 73: ...angled around the pro peller shaft Check the propeller shaft oil seal for dam age EMU30663 Removing propeller EMU29198 Spline models 1 Straighten the cotter pin and pull it out using a pair of pliers 2 Remove the propeller nut washer and spacer if equipped WARNING Do not use your hand to hold the propeller when loosening the propeller nut EWM01891 3 Remove the propeller washer if equipped and thru...

Page 74: ...peller nut does not align with the propeller shaft hole after tightening to the specified torque tighten the nut further to align it with the hole EMU2928C Changing gear oil WARNING EWM00801 Be sure the outboard motor is securely fastened to the transom or a stable stand 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...

Page 75: ...ible or pressurized filling device inject the gear oil into the gear oil drain screw hole 6 Put a new gasket on the oil level plug When the oil begins to flow out of the oil level plug hole insert and tighten the oil level plug 7 Put a new gasket on the gear oil drain screw Insert and tighten the gear oil drain screw 1 Gear oil drain screw 2 Oil level plug ZMU06685 2 1 Recommended gear oil YAMALUB...

Page 76: ...fully Im proper assembly can result in a fuel leak which could result in a fire or ex plosion hazard Dispose of old gasoline according to lo cal regulations 1 Empty the fuel tank into an approved container 2 Pour a small amount of suitable solvent into the tank Install the cap and shake the tank Drain the solvent completely 3 Remove the screws holding the fuel joint assembly Pull the assembly out ...

Page 77: ...ached to the pow er unit EMU29324 Checking battery for electric start models WARNING EWM01903 Battery electrolyte is poisonous 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 Th...

Page 78: ...witch on applica ble models is off before working on the battery 2 Connect the red battery cable to the POSITIVE terminal first Then connect the black battery cable to the NEGATIVE terminal 3 The electrical contacts of the 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 equ...

Page 79: ...aler Q Is shift lever in 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 37 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spark plug s fouled o...

Page 80: ... Yamaha dealer Q Is air vent 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 c...

Page 81: ...rrect ty pe A Inspect spark 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...

Page 82: ...Q Is steering pivot loose or damaged A Tighten or have serviced by a Yamaha dealer EMU29434 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 eng...

Page 83: ...irs 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 unexpectedly start to move which could result in an accident Attach the engine shut off cord to a se cure place on your clothing or your arm or leg while operating the boat Do not attach the cord to clothing ...

Page 84: ...flywheel cover after removing the bolt s 4 Prepare the engine for starting For fur ther information see page 37 Be sure the engine is in neutral and that the clip is attached to the engine shut off switch The main switch must be on if equipped 5 If equipped the choke knob pull out it when the engine is cold After the engine starts gradually return the choke knob to its home position as the engine ...

Page 85: ...cy 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 some corrosion may begin almost immedi ately NOTICE Do not attempt to run the outboard motor...

Page 86: ...ormity DoC 4 Electric shock 1 Emergency engine operation 79 Emergency equipment 14 Emergency starting engine 78 Emergency temporary action in 76 Engine checking 33 Engine fails to operate 79 Engine oil 33 Engine oil changing 64 Engine oil filling 31 Engine oil requirements 13 Engine shut off cord lanyard 1 32 Engine shut off cord lanyard and clip 21 Engine stop button 22 F Filling fuel 35 First ti...

Page 87: ...t will not operate 77 Propeller 1 Propeller checking 66 Propeller installing 68 Propeller removing 67 Propeller selection 12 R Read manuals and labels 6 Remote control box 18 Remote control lever 18 Remote control requirements 12 Replacement parts 57 Rotating parts 1 S Sending fuel portable tank 36 Severe operating conditions 57 Shallow water 50 Shifting 41 Shifting checks after engine warm up 41 ...

Page 88: ...ing outboard motor 53 Trim rod tilt pin 23 Trimming outboard motor 44 Troubleshooting 73 W Warming up engine 41 Warning labels 6 Weather 3 Wiring and connectors inspecting 66 U60R79E0 book Page 82 Wednesday December 18 2013 1 32 PM ...

Page 89: ...U60R79E0 book Page 83 Wednesday December 18 2013 1 32 PM ...

Page 90: ...Printed in France January 2014 0 3 1 CR U60R79E0 book Page 1 Wednesday December 18 2013 1 32 PM ...

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