Yamaha F80B Owner'S Manual Download

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Read this manual carefully before operating this

outboard motor.

OWNER’S MANUAL

F80B
F80C
F100D

6D7-28199-79-E0

U6D779E0.book Page 1 Tuesday, November 15, 2011 2:33 PM

Summary of Contents for F80B

Page 1: ...Read this manual carefully before operating this outboard motor OWNER S MANUAL F80B F80C F100D 6D7 28199 79 E0 U6D779E0 book Page 1 Tuesday November 15 2011 2 33 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 U6D779E0 book Page 1 Tuesday Novemb...

Page 3: ...cies between your machine and this manual If there is any question concerning this manual please con sult your Yamaha dealer To ensure long product life Yamaha recom mends that you use the product and...

Page 4: ...ounting battery 11 Propeller selection 11 Start in gear protection 12 Engine oil requirements 12 Fuel requirements 13 Gasoline 13 Muddy or acidic water 14 Anti fouling paint 14 Motor disposal requirem...

Page 5: ...ine control system 39 Alert system 39 Overheat alert 39 Low oil pressure alert 39 Installation 41 Installation 41 Mounting the outboard motor 41 Operation 43 First time operation 43 Fill engine oil 43...

Page 6: ...rt 1 71 Maintenance chart 2 73 Greasing 74 Cleaning and adjusting spark plug 76 Inspecting idle speed 76 Changing engine oil 77 Inspecting wiring and connectors 78 Checking propeller 79 Removing prope...

Page 7: ...times Be sure no one is in this area before operating the power trim and tilt mech anism The power trim and tilt switches operate even when the main switch is off Keep people be away from the switche...

Page 8: ...ous boating condi tions EMU33731 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...

Page 9: ...e not sure that you can stop in time before hitting an obstacle apply throttle and turn in anoth er direction EMU33790 Weather Stay informed about the weather Check weather forecasts before boating Av...

Page 10: ...ipped with the mo tor the key identification number is stamped on your key as shown in the illustration Record this number in the space provided for reference in case you need a new key EMU37291 EC De...

Page 11: ...ode Code of conformed directives EMU25205 CE Marking Outboard motors affixed with this CE mark ing conform with the directives of 98 37 EC 94 25 EC 2003 44 EC and 2004 108 EC 1 CE marking location ZMU...

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 EMU33832 Warning labels If these labels are dama...

Page 13: ...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 EWM01671 Read Owner s Manuals and labels Wear an...

Page 14: ...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 Z...

Page 15: ...ET 664 mm 26 1 in F80BET 664 mm 26 1 in F80CED 643 mm 25 3 in Dry weight AL L F100DET 172 kg 380 lb F80BET 172 kg 380 lb F80CED 179 kg 395 lb Dry weight AL X F100DET 178 kg 391 lb F80BET 178 kg 391 lb...

Page 16: ...oil quantity F100DET 0 670 L 0 708 US qt 0 590 Imp qt F80BET 0 670 L 0 708 US qt 0 590 Imp qt F80CED 0 760 L 0 803 US qt 0 669 Imp qt Tightening torque for engine Spark plug 25 Nm 2 55 kgf m 18 4 ft...

Page 17: ...control requirements WARNING EWM01580 If the engine starts in gear the boat can move suddenly and unexpectedly pos sibly causing a collision or throwing passengers overboard If the engine ever starts...

Page 18: ...ts the engine run in the proper range for your maximum load but remember that you may need to reduce your throttle setting to stay within the recommended engine speed range when carrying lighter loads...

Page 19: ...nol blends containing more than 10 ethanol can cause fuel system damage or cause engine starting and running problems Yamaha does not recommend gasohol containing methanol because it can cause fuel sy...

Page 20: ...boat bot tom can be coated with an anti fouling paint approved for your area to inhibit marine growth Do not use anti fouling paint which includes copper or graphite These paints can cause more rapid...

Page 21: ...MAHA set mode 11 12 15 16 13 14 1 Top cowling 2 Cowling lock lever s 3 Anti cavitation plate 4 Trim tab anode 5 Propeller 6 Cooling water inlet 7 Clamp bracket 8 Flushing device 9 Water separator 10 P...

Page 22: ...owling lock lever s 3 Anti cavitation plate 4 Trim tab anode 5 Propeller 6 Cooling water inlet 7 Clamp bracket 8 Flushing device 9 Water separator 10 Tilt lock lever 11 Remote control box side mount t...

Page 23: ...onform to relevant licensing or approval authority regula tions EMU25830 Fuel joint This joint is used to connect the fuel line 1 4 6 3 2 5 ZMU05429 1 Tachometer unit Square type 2 Tachometer unit Rou...

Page 24: ...r away from high temperatures and do not place it in direct sunlight Do not drop the remote control transmit ter subject it to strong shocks or place any heavy items on it Use a soft dry cloth to clea...

Page 25: ...d briefly the beeper sounds twice This indicates the unlock mode is selected and the engine can be started EMU26181 Remote control box The remote control lever actuates both the shifter and the thrott...

Page 26: ...when the remote control lever is in neutral The remote control lever will operate only when the neutral throttle lever is in the closed position EMU25913 Tiller handle To change direction move the til...

Page 27: ...EMU25976 Throttle 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...

Page 28: ...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 route the cord where it could become entangle...

Page 29: ...ce An ad juster lever is located on the bottom of the tiller handle bracket To increase resistance turn the lever to the port side A To decrease resistance turn the lever to the starboard side B WARNI...

Page 30: ...ts current position For instructions on using the power trim and tilt switch see page 59 WARNING EWM01031 Use the power trim and tilt switch located on the bottom cowling only when the boat is at a co...

Page 31: ...the steering control can be turned to either the right or left by applying the same amount of force If the boat tends to veer to the left port side turn the trim tab rear end to the port side A in the...

Page 32: ...CE ECM00660 Do not use the tilt support lever or knob when trailering the boat The outboard mo tor could shake loose from the tilt support and fall If the motor cannot be trailered in the normal runni...

Page 33: ...ll activate Activation of alert device The water separator alert indicator of 6Y8 Multifunction Tachometer will blink The buzzer will sound intermittently only when the gear shift is in neutral If the...

Page 34: ...light up For further information on reading the indicator see page 39 NOTICE ECM00052 Do not continue to run the engine if the overheat alert indicator is on Serious en gine damage will occur EMU31414...

Page 35: ...he display can also be turned on and off To change the display format press the mode button The display can show total hours or trip hours or turn off To reset the trip hours simultaneously press the...

Page 36: ...tch is turned on and will return to normal thereafter EMU36061 Speedometer The speedometer displays km h mph or knots according to operator preference Se lect the desired units of measurement by set t...

Page 37: ...has traveled since the gauge was last reset The trip distance is shown in kilometers or miles depending upon the unit of measure ment selected for the speedometer To reset the trip meter to zero pres...

Page 38: ...er of hours is only measured when the engine is running When the main switch is turned on but the engine is not running the digital hour meter will display the hours run but will not add any additiona...

Page 39: ...on After all the displays come on and the to tal hour display comes on the gauge will change to normal operation If the buzzer sounds and the water separator alert indica tor blinks consult your Yama...

Page 40: ...0 Low oil pressure alert If the engine oil pressure drops too low the low oil pressure alert indicator will start to blink and the engine speed will automatically decrease to about 2000 r min Stop the...

Page 41: ...as ac tivated Check the cooling water inlet for clog ging NOTICE ECM01592 Do not continue to run the engine if the overheat alert indicator blinks Serious engine damage will occur Do not continue to o...

Page 42: ...alert device has activated For charging the battery con sult your Yamaha dealer EMU36232 6Y8 Multifunction speed fuel meters The speed fuel meter unit shows the boat speed and has the functions of fu...

Page 43: ...ions of fuel meter and system voltage display The chosen display is select ed by using the set and mode buttons as described in this section In addi tion the speedometer can show the desired unit of m...

Page 44: ...play fuel economy display and remaining fuel display The chosen display is selected by using the set and mode buttons as described in this section For more information see the operation manual origi...

Page 45: ...t indicator 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 and check the cooling...

Page 46: ...ystem 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 device does not switch off consult your Yamaha d...

Page 47: ...The mounting height of your outboard motor affects its efficiency and reliability If it is mounted too high propeller ventilation may occur which will reduce propulsion due to ex cessive propeller sli...

Page 48: ...the outboard motor is operat ed 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 vere engine dam...

Page 49: ...ing 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...

Page 50: ...to operate EMU36451 Check for fuel leaks Check for fuel leaks or gasoline fumes in the boat Check for fuel leakage from the fuel system Check the fuel tank and fuel lines for cracks swellings or other...

Page 51: ...53 Engine oil 1 Put the outboard motor in an upright po sition not tilted NOTICE If the motor is not level the oil level indicated on the dipstick may not be accurate ECM01790 2 Remove oil dipstick an...

Page 52: ...are re leased 2 Be sure that the rubber seal is seated all the way around the top cowling 3 Place the top cowling on bottom cowling 4 Check to be sure the rubber seal fits cor rectly all the way aroun...

Page 53: ...y in sulating covers The electrical contacts of the battery and cables must be clean and proper ly connected or the battery will not start the engine Refer to the battery manufacturer s instruc tions...

Page 54: ...ar you When the air vent screw is loosened gasoline vapor will be released Gaso line is highly flammable and its vapors are flammable and explosive Refrain from smoking and keep away from open flames...

Page 55: ...d 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 th...

Page 56: ...starts re lease the main switch and allow it to re turn to on 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 t...

Page 57: ...stem is selected use the remote con trol transmitter to select the unlock mode Short beep will sound twice when unlock ing the Yamaha Security System For fur ther information see page 19 TIP If you lo...

Page 58: ...A continuous flow of water from the pilot hole indicates that the water pump is pumping water through the cooling water passages If the cooling water passag es are frozen it may take a while for water...

Page 59: ...ING EWM00180 Before shifting make sure there are no swimmers or obstacles in the water near you NOTICE ECM01610 Warm up the engine before shifting into gear Until the engine is warm the idle speed may...

Page 60: ...ever firmly and crisply into the neutral po sition EMU31742 Stopping boat WARNING EWM01510 Do not use the reverse function to slow down or stop the boat as it could cause you to lose control be ejecte...

Page 61: ...he switch To decrease the trolling speed press the switch 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...

Page 62: ...oving the clip from the engine shut off switch then turning the main switch to off EMU27862 Trimming outboard motor WARNING EWM00740 Excessive trim for the operating condi tions either trim up or trim...

Page 63: ...not adjust the trim angle with this switch while the boat is moving Adjust the outboard motor trim angle using the power trim and tilt switch To raise the bow trim out press the switch up To lower th...

Page 64: ...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...

Page 65: ...nd the clamp bracket WARNING EWM00250 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 mor...

Page 66: ...support le ver or knob when trailering the boat The outboard motor could shake loose from the tilt support and fall If the motor cannot be trailered in the normal running position use an addi tional s...

Page 67: ...t unit or in the power tilt unit loses pres sure EWM00262 NOTICE Do not use the tilt support lever or knob when traile ring the boat The outboard motor could shake loose from the tilt support and fall...

Page 68: ...he outboard motor up slightly and pull out the tilt support knob or return the tilt support lever 3 Slowly tilt the outboard motor down 4 Place the tilt lock lever in the lock posi tion EMU33121 Proce...

Page 69: ...ift out of the water increasing the chance of acci dent and personal injury NOTICE ECM00260 Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of...

Page 70: ...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 can result EMU32913 Proced...

Page 71: ...lso 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 14 i...

Page 72: ...om the outboard motor Tighten the fuel tank cap and its air vent screw When the outboard motor is tilted pro longed time for mooring or trailering the boat disconnect the fuel line from the out board...

Page 73: ...erwise over heating could occur ECM02000 5 Cooling system flushing is essential to prevent the cooling system from clogging up with salt sand or dirt In addition fog ging lubricating the engine is man...

Page 74: ...spark plug s and torque to proper specification For information on spark plug installation see page 76 2 Change the gear oil For instructions see page 81 Inspect the oil for the presence of water that...

Page 75: ...leak out of the connector instead of cooling the en gine which can cause serious over heating Be sure the connector is tightened securely on the fitting after flushing the engine ECM00541 TIP When fl...

Page 76: ...ment 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 could endanger the opera...

Page 77: ...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 hou...

Page 78: ...sary PCV Pressure Con trol Valve Inspection or replace ment as necessary Shift link shift cable Inspection adjustment or replacement as nec essary Spark plug s Inspection or replace ment as necessary...

Page 79: ...ment as necessary Yamaha Meter gauge Inspection Fuel tank Yamaha por table tank Inspection and clean ing as necessary Item Actions Every 1000 hours Exhaust guide exhaust manifold Inspection or replace...

Page 80: ...enance 74 EMU28943 Greasing Yamaha grease A water resistant grease Yamaha grease D corrosion resistant grease for propeller shaft F80B F100D ZMU04266 U6D779E0 book Page 74 Tuesday November 15 2011 2 3...

Page 81: ...Maintenance 75 F80C U6D779E0 book Page 75 Tuesday November 15 2011 2 33 PM...

Page 82: ...A damaged insulator could allow exter nal sparks which could lead to explo sion or fire EWM00561 3 Be sure to use the specified spark plug otherwise the engine may not operate properly Before fitting...

Page 83: ...ECM01710 Change the engine oil after the first 20 hours of operation or 3 months and every 100 hours or at 1 year intervals thereafter Otherwise the engine will wear quickly The engine oil should be e...

Page 84: ...cause Continued operation with a problem could cause severe engine damage Consult your Yamaha dealer if the problem cannot be located and corrected ECM01622 12 Dispose of used oil according to local r...

Page 85: ...tch if your boat has one Do not use your hand to hold the propeller when loosening or tightening the propeller nut Put a wood block between the anti cavi tation plate and the propeller to prevent the...

Page 86: ...haft NOTICE Make sure to install the thrust washer before installing the propeller Other wise the lower case and propeller boss could be damaged ECM01881 3 Install the spacer if equipped and the washe...

Page 87: ...uipped remove all metal particles from the screw 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 completel...

Page 88: ...Wipe up any spilled fuel immediately Reassemble the fuel tank carefully Im proper assembly can result in a fuel leak which could result in a fire or ex plosion hazard Dispose of old gasoline according...

Page 89: ...d to the power unit EMU29323 Checking battery for electric start models WARNING EWM01902 Battery electrolyte is poisonous and caus tic and batteries generate explosive hy drogen gas When working near...

Page 90: ...E terminal first Then con nect the black battery cable to the NEGA TIVE terminal 3 The electrical contacts of the battery and cables must be clean and properly con nected or the battery will not start...

Page 91: ...tered 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 co...

Page 92: ...replace with recommended type Q Is fuel system obstructed A Check for pinched or kinked fuel line or oth er obstructions in fuel system Q Is fuel contaminated or stale A Fill tank with clean fresh fue...

Page 93: ...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 ope...

Page 94: ...ith 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 rep...

Page 95: ...r trim and tilt because of a dis charged battery or a failure with the power trim and tilt unit the engine can be tilted man ually 1 Loosen the manual valve screw by turn ing it counterclockwise until...

Page 96: ...water separator alert indicator on the 6Y8 Multifunction tachometer blinks perform the following procedure 1 Stop the engine 2 Remove the top cowling 3 Remove the plastic tie 4 Disconnect the water d...

Page 97: ...eturning to port EMU29542 Starter will not operate If the starter mechanism does not operate the engine cannot be cranked with the start er the engine can be started manually with an emergency starter...

Page 98: ...ing and other objects away when starting the en gine Use the emergency starter rope only as instructed Do not touch the fly wheel or other moving parts when the engine is running Do not install the st...

Page 99: ...p cowling when engine is running EWM00621 TIP The engine can be started only when the Yamaha Security System is in the unlock mode EMU33501 Treatment of submerged motor If the outboard motor is submer...

Page 100: ...Printed on recycled paper Printed in Japan December 2011 1 1 1 CR U6D779E0 book Page 1 Tuesday November 15 2011 2 33 PM...

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