Yamaha F225F Owner'S Manual Download Page 2

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EMU25053

Read this manual carefully before operating this outboard motor. Keep this
manual onboard in a waterproof bag when boating. This manual should stay
with the outboard motor if it is sold.

6CE-9-74-1E0.book 1 ページ２０１４年１２月４日　木曜日　午前９時３０分

Summary of Contents for F225F

Page 1: ... this manual carefully before operating this outboard motor OWNER S MANUAL F225F FL225F F250D FL250D F300B FL300B F250D1 FL250D1 F300B1 FL300B1 6CE 28199 74 E0 6CE 9 74 1E0 book 1 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 2: ...manual carefully before operating this outboard motor Keep this manual onboard in a waterproof bag when boating This manual should stay with the outboard motor if it is sold 6CE 9 74 1E0 book 1 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 3: ...t current prod uct information available at the time of print ing there may be minor discrepancies between your machine and this manual If there is any question concerning this manu al 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 t...

Page 4: ...L250D1 F300B1 FL300B1 OWNER S MANUAL 2014 by Yamaha Motor Co Ltd 1st Edition November 2014 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited Printed in Japan 6CE 9 74 1E0 book 2 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 5: ...ng 12 Mounting outboard motor 12 Yamaha Security System 12 Digital electronic control requirements 12 Battery requirements 13 Battery specifications 13 Mounting battery 13 Multiple batteries 13 Propeller selection 13 Counter rotation models 14 Start in gear protection 14 Engine oil requirements 14 Fuel requirements 15 Gasoline 15 Anti fouling paint 16 Outboard motor disposal requirements 16 Emerge...

Page 6: ... system 44 Alert system 44 Digital Electronic Control alert 44 Overheat alert 44 Low oil pressure alert 45 Water separator alert 46 Installation 48 Installation 48 Mounting the outboard motor 48 Operation 50 First time operation 50 Filling engine oil 50 Breaking in engine 50 Getting to know your boat 50 Checks before starting engine 51 Fuel level 51 Removing top cowling 51 Fuel system 51 Controls ...

Page 7: ...nance chart 2 74 Greasing 75 Inspecting spark plug 76 Inspecting engine idle speed 77 Changing engine oil 78 Inspecting wiring and connectors 83 Inspecting propeller 84 Removing propeller 84 Installing propeller 85 Changing gear oil 86 Inspecting and replacing anode s 87 Checking battery for electric start models 88 Connecting the battery 89 Disconnecting the battery 90 Storing the battery 90 Trou...

Page 8: ...o tor and the clamp bracket when the motor is trimmed or tilted Keep body parts out of this area at all times Be sure no one is in this area before operating the power trim and tilt mechanism The power trim and tilt switches operate even when the main switch is off Keep peo ple be away from the switches whenever working around the motor Never get under the lower unit while it is tilt ed even when ...

Page 9: ... board for every occupant Yamaha recommends that you must wear a PFD whenever boating At a minimum children and non swimmers should always wear PFDs and everyone should wear PFDs when there are potentially hazardous boating conditions EMU33732 People in the water Always watch carefully for people in the wa ter such as swimmers skiers or divers whenever the engine is running When someone is in the ...

Page 10: ... boats do not have brakes and stopping the engine or reducing throttle can reduce the ability to steer If you are not sure that you can stop in time before hitting an obstacle apply throttle and turn in another 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...

Page 11: ...al electronic control serial number is stamped on the label attached to the digital electronic control box Record your digital electronic control serial number in the spaces provided to assist you in newly connecting the digital electronic control to the outboard motor TIP Consult your Yamaha dealer if you have any questions concerning the digital electronic control serial number 1 Outboard motor ...

Page 12: ...Parliament directive relating to machinery Each conformed outboard motor accompa nied with EC DoC EC DoC contains the fol lowing information Name of Engine Manufacture Model name Product code of model Approved model code Code of 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 Seri...

Page 13: ...h this mark meet all re quirements of the Canadian Interference Causing Equipment Regulations Manufactured date The manufactured date is stamped on the la bel for the engines that conform to the regu lations for U S Environmental Protection Agency EPA The models that manufac tured exclusively for the Oceanian countries may not have manufactured date on the la bel 1 Compliance mark and manufactured...

Page 14: ...Read any manuals supplied with the boat Read all labels on the outboard motor and the boat If you need any additional information contact your Yamaha dealer EMU33834 Warning labels If these labels are damaged or missing contact your Yamaha dealer for replacements 1 2 3 ZMU07261 6CE 9 74 1E0 book 7 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 15: ...ch or remove electrical parts when starting or during operation 2 WARNING EWM01672 Read Owner s Manuals and labels Wear an approved personal flotation device PFD Attach engine shut off cord lanyard to your PFD arm or leg so the engine stops if you accidentally leave the helm which could prevent a runaway boat EMU33851 Other labels 1 2 ZMU06191 3 ZMU05710 6CE 9 74 1E0 book 8 ページ２０１４年１２月４日木曜日午前９時...

Page 16: ...U35133 Symbols The following symbols mean as follows Notice Warning Read Owner s Manual Hazard caused by continuous rotation Electrical hazard ZMU05696 ZMU05664 ZMU05665 ZMU05666 6CE 9 74 1E0 book 9 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 17: ...300BET 770 mm 30 3 in FL300BET1 770 mm 30 3 in Dry weight SUS X 260 kg 573 lb Dry weight SUS U F225FET 268 kg 591 lb F250DET 268 kg 591 lb F250DET1 268 kg 591 lb F300BET 268 kg 591 lb F300BET1 268 kg 591 lb FL250DET 268 kg 591 lb FL250DET1 268 kg 591 lb FL300BET 268 kg 591 lb FL300BET1 268 kg 591 lb Performance Full throttle operating range 5000 6000 r min Rated power F225FET 165 5 kW 225 HP F250D...

Page 18: ...0BET Premium unleaded gaso line F300BET1 Premium unleaded gaso line FL225FET Regular unleaded gaso line FL250DET Regular unleaded gaso line FL250DET1 Regular unleaded gaso line FL300BET Premium unleaded gaso line FL300BET1 Premium unleaded gas oline Min research octane number RON F225FET 90 F250DET 90 F250DET1 90 F300BET 94 F300BET1 94 FL225FET 90 FL250DET 90 FL250DET1 90 FL300BET 94 FL300BET1 94 ...

Page 19: ...training is required to mount it safely Your dealer or other person experienced in proper rigging should mount the outboard motor using correct equipment and complete rigging instructions For further information see page 48 EMU38582 Yamaha Security System NOTICE ECM02461 The Yamaha Security System is sold in conformity with the relevant laws and regulations regarding radio wave trans mission There...

Page 20: ...not put flammable items or loose heavy or metal objects in the same compartment as the battery Fire explosion or sparks could result EWM01821 EMU36301 Multiple batteries To connect multiple batteries such as for multiple engine configurations or for an ac cessory battery consult your Yamaha dealer about battery selection and correct wiring EMU41603 Propeller selection Next to selecting an outboard...

Page 21: ... digital electronic control units are equipped with start in gear protection de vice s This feature permits the engine to be started only when it is in neutral Always se lect neutral before starting the engine EMU41953 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 oi...

Page 22: ... exceed 10 and the fuel meets the minimum octane ratings E85 is a fuel containing 85 ethanol and must not be used in your outboard motor All ethanol ZMU06854 122 F 50 C 104 40 86 30 68 SAE API SE SF SG SH SJ SL 20 50 10 32 0 14 10 4 20 10W 30 10W 40 5W 30 ZMU06855 122 F 50 C 104 40 86 30 68 SAE API SH SJ SL 20 50 10 32 0 14 10 4 20 15W 40 20W 40 20W 50 Recommended fuel F225FET Regular unleaded gas...

Page 23: ...anti fouling paint which includes copper or graphite These paints can cause more rapid engine corrosion EMU40302 Outboard motor disposal requirements Never illegally discard dump the outboard motor Yamaha recommends consulting the dealer about discarding the outboard motor EMU36353 Emergency equipment Keep the following items onboard in case there is trouble with the outboard motor A tool kit with...

Page 24: ...ese standards have 20 lower emissions than One Star Low Emission en gines 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 exhaust emission standards Engines meeting these standards have 65 lower emis...

Page 25: ...Air Resources Board s Sterndrive and Inboard marine engine 2009 exhaust emission standards Personal Watercraft and Outboard marine engines may also comply with these standards Engines meet ing these standards have 90 lower emis sions than One Star Low Emission engines ZMU01704 ZMU05663 6CE 9 74 1E0 book 18 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 26: ...ll mod els order from dealer 1 3 5 6 7 8 9 9 10 9 11 11 8 4 2 ZMU07139 1 Top cowling 2 Idle hole 3 Anti cavitation plate 4 Trim tab anode 5 Propeller 6 Cooling water inlet 7 Clamp bracket 8 Tilt support lever 9 Cowling lock lever 10 Flushing device 11 Power trim and tilt switch 6CE 9 74 1E0 book 19 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 27: ...l 2 Oil dipstick 3 Cowling lock lever 4 Power trim and tilt switch 5 Flushing device 6 Oil level plug 7 Gear oil drain screw 8 Cooling water inlet 9 Anode 10 Power trim and tilt unit 11 Fuel filter 12 Fuse box 13 Oil filler cap 6CE 9 74 1E0 book 20 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 28: ...ith single type 3 Digital electronic control twin type 4 Switch panel for use with twin type 5 Start Stop switch panel for use with twin type 6 All Start Stop switch panel for use with twin type 7 Engine shut off switch 8 Clip 9 Remote control transmitter 10 Receiver 6CE 9 74 1E0 book 21 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 29: ...1 The remote control transmitter is not completely waterproof Do not sub merge the transmitter or operate it un derwater If the transmitter is submerged dry it with a soft dry cloth SET MENU CANCEL 1 4 6 3 2 5 7 SET MODE SET MODE ZMU07205 1 Tachometer unit Square type 2 Tachometer unit Round type 3 Speedometer unit Square type 4 Speed fuel meter unit Square type 5 Speed fuel meter unit Round type ...

Page 30: ...aler replace the transmitter battery after 1 year and every 2 years thereafter as a standard practice Refer to local hazardous waste regulations when disposing of transmitter batteries The Yamaha Security System permits reg istration of up to 5 remote control transmit ters It is recommended that you have at least 2 transmitters at all times in case one is lost or damaged Consult your Yamaha dealer...

Page 31: ...s Operation of both shift and throttle possible Blinks when the gear shift is in neutral only Shift not operable Only throttle op eration available Off Shift and throttle not operable Yamaha Security System mode Number of beeps Main switch Engine can be started Lock 1 beep NO Unlock 2 beeps YES Yamaha Security System mode Digital electronic control active indicator Lock Off Unlock Light ZMU05850 1...

Page 32: ...o accelerate Digital electronic control for twin type has the function of automatically synchronizing the engine speeds of both engines of the port and starboard sides EMU35003 Free throttle switch In neutral keep this switch pressed move the control lever forward and release the switch after the digital electronic control ac tive indicator starts blinking While the indica tor blinks you can open ...

Page 33: ...automat ically to its set position The digital elec tronic control active indicator will change from blinking to continuously lit and the digital electronic control will then engage forward and reverse normally EMU35252 Throttle friction adjuster A friction device provides adjustable resis tance to movement of the control lever and can be set according to operator preference To increase resistance...

Page 34: ...board or leave the helm the cord will pull out the clip stopping ignition to the engine This will prevent the boat from running away under power WARNING At tach the engine 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 en tangled preventing it from functioning A...

Page 35: ...ition EMU41622 Start Stop switch panel The engine can be started or turned off by pressing the Start Stop button For twin type it is possible to start or turn off individual en gine The indicator for the corresponding en gine will come on PORT Port side engine STBD Starboard side engine EMU41632 All Start Stop switch panel The Start Stop button allows all engines to start or turn off EMU35154 Powe...

Page 36: ... cowling only when the boat is at a complete stop with the engine off Attempting to use this switch while the boat is moving could increase the risk of falling overboard and could distract the operator increasing the risk of collision with another boat or an obstacle EMU35161 Power trim and tilt switches twin type The power trim and tilt system adjusts the outboard motor angle in relation to the t...

Page 37: ...the trim tab rear end to the port side A in the figure If the boat tends to veer to the right starboard side turn the trim tab end to the starboard side B in the figure NOTICE ECM00841 The trim tab also serves as an anode to protect the engine from electrochemical corrosion Never paint the trim tab as it will become ineffective as an anode EMU26342 Tilt support lever for power trim and tilt model ...

Page 38: ...ng EMU40803 Flushing device The flushing device is used to clean the cool ing water passages of the outboard motor using a garden hose and tap water For in structions on using the flushing device see page 69 EMU41311 Fuel filter The fuel filter functions to remove foreign material and separate water from the fuel If water separated from the fuel exceeds a specific volume the alert system will acti...

Page 39: ...Components 32 1 Fuel filter 1 ZMU07518 6CE 9 74 1E0 book 32 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 40: ...51 Engine warm up indicator This indicator appears while the engine is being warmed up and goes off when warm ing up is finished EMU41661 Engine synchronization indicator In twin types this display appears while the 1 Arrow keys 2 Set button 3 Cancel button 4 Menu button 5 Display 1 Shift position display 2 YAMAHA SECURITY SYSTEM indicator 3 Engine warm up indicator 4 Engine synchronization indica...

Page 41: ...e has ac tivated Check the cooling water inlet for clogging NOTICE ECM01593 Do not continue to run the engine if the overheat alert indicator blinks Serious engine damage will occur Do not continue to operate the engine if a alert device has activated Consult your Yamaha dealer if the problem can not be located and corrected EMU41691 Low oil pressure alert If the engine oil pressure drops too low ...

Page 42: ...normal display and the water separator alert indicator will start to blink Stop the engine immediately and see page 94 of this manual to drain the water from the fuel filter Get back to the port soon and con sult a Yamaha dealer immediately NOTICE ECM00911 Gasoline mixed with water could cause damage to the engine EMU41721 Low battery voltage alert The pop up window will be displayed if the batter...

Page 43: ...ee the attached operation manual EMU36185 6Y8 Multifunction tachometers The tachometer shows the engine revolu tions per minute It has functions of trim me ter adjusting trolling speed cooling water engine temperature display battery voltage display total hour trip hour display oil pressure display water detection alert engine trouble alert and periodic mainte nance notification If the cooling wat...

Page 44: ...ture 6 Water detection alert indicator 7 Battery voltage 8 Oil pressure 4 stroke models 1 Set button 2 Mode button 2 3 1 4 5 6 7 8 ZMU05416 SET MODE 1 2 ZMU05417 1 Tachometer 2 Water detection alert indicator 3 Engine trouble alert maintenance indicator 4 Trim meter 5 Multifunction display 6 Battery voltage 7 Cooling water engine temperature 8 Oil pressure 4 stroke models 9 Cooling water pressure ...

Page 45: ...ary If the alert device has activated while the appropriate engine oil quantity is maintained consult your Yamaha dealer NOTICE ECM01602 Do not continue to run the engine if the low oil pressure alert device has activat ed Serious engine damage will occur EMU36222 Overheat alert If the engine temperature rises too high while cruising the overheat alert indicator will start to blink The engine spee...

Page 46: ...51 Water separator alert This indicator will blink if water has accumu lated in the water separator fuel filter while cruising In such an event stop the engine immediately and see page 94 of this manual to drain the water from the fuel filter Get back to the port soon and consult a Yamaha dealer immediately NOTICE ECM00911 Gasoline mixed with water could cause damage to the engine EMU36161 Engine ...

Page 47: ...ed by using the set and mode but tons as described in this section If the speed sensor is installed the unit can also show the trip display However even if the speed sen sor is not installed the trip display can be shown by connecting an optional sensor to the unit In addition if optional sensors are connected to the unit water surface temper ature display depth display and clock will also be avai...

Page 48: ...onnecting an optional sensor to the unit In addition if optional sensors are connected to the unit water surface temperature dis play depth display and clock will also be available For the optional sensors consult your Yamaha dealer After the main switch is first turned on all the displays come on as a test After a few sec onds the gauge will change to normal oper ation For more information see th...

Page 49: ...in switch is first turned on all the displays come on as a test After a few sec onds the gauge will change to normal oper ation For more information see the operation manual originally supplied with the meter EMU41731 Optional meters Various meters can be installed onto the out board motor according to user preference For details consult your Yamaha dealer 1 Set button 2 Mode button 1 Speedometer ...

Page 50: ...Instruments and indicators 43 Analog tachometer Trim meter ZMU07245 ZMU04581 6CE 9 74 1E0 book 43 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 51: ... there is no symptom of trouble on shifting or throt tle get back to the port soon and have a Yamaha dealer inspect or repair the out board motor EMU41923 Overheat alert This engine has an overheat alert device If the engine temperature rises too high the alert device will activate The engine speed will automatically de crease to about 2000 r min The overheat alert indicator of the 6Y8 Multifuncti...

Page 52: ...of the engine overheating If the alert system has activated stop the engine and tilt the outboard motor up to check the cooling water inlet for clogging If the alert system has still activated tilt the overheated out board motor up and return to the port EMU41933 Low oil pressure alert If the oil pressure drops too low the alert de vice will activate The engine speed will automatically de crease t...

Page 53: ...buzzer will sound To switch off the alert activation on the engine not affected by low oil pressure turn off the main switch of the engine with the low oil pressure EMU41942 Water separator alert The outboard motor is equipped with a water separator alert system If water separated from the fuel exceeds a specific volume the alert system will activate The water separator alert indicator of the 6Y8 ...

Page 54: ...of this manual to drain the water from the fuel filter Get back to the port soon and consult a Yamaha dealer immediately NOTICE ECM02471 Although the buzzer will stop when the engine is started and the control lever is moved to the forward or reverse position do not use the outboard motor Other wise serious engine damage could oc cur ZMU07242 6CE 9 74 1E0 book 47 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 55: ...ell balanced Otherwise the boat could be hard to steer For single en gine boats mount the outboard motor on the centerline keel line of the boat For twin en gine boats mount the outboard motors equi distant from the centerline Consult your Yamaha dealer or boat manufacturer for fur ther information on determining the proper mounting location EMU26936 Mounting height boat bottom The mounting height...

Page 56: ... 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 transom ladders or depth finder transducers can create airborne water spray while the boat is cruising If the outboard motor is oper ated continuously in the presence of airborne water spray enough water could enter th...

Page 57: ...ven severe engine damage ECM00802 EMU41223 Procedure for breaking in engine Your new engine requires a period of 10 hours break in so that mating surfaces of moving parts wear in evenly Operate the engine in the water under load in gear with a propeller installed for 10 hours as follows When breaking in the en gine avoid extended idling rough water and crowded areas 1 For the 1st hour of operation...

Page 58: ...following checks remove the top cowling from the bottom cowling To remove the top cowling pull the cowling lock levers and lift up the top cowling EMU36443 Fuel system WARNING EWM00061 Gasoline and its vapors are highly flam mable and explosive Keep away from sparks cigarettes flames or other sourc es of ignition WARNING EWM00911 Leaking fuel can result in fire or explo sion Check for fuel leakage...

Page 59: ...ould be smooth over the complete range of motion and each le ver should return completely to the idle po sition EMU40363 Engine shut off cord lanyard Check the engine shut off cord and clip for damage such as cuts breaks and wear EMU40994 Engine oil 1 Place the outboard motor in a vertical position not tilted NOTICE If the out board motor is not level the oil level indicated on the oil dipstick ma...

Page 60: ...to connect the garden hose connector to the fitting on the bottom cowling and tighten it secure ly Otherwise cooling water will leak out during operation causing the engine to overheat ECM02292 EMU40752 Installing top cowling 1 Check the rubber seal for damage If the rubber seal is damaged have it replaced by a Yamaha dealer 1 Oil dipstick 2 Upper mark 3 Lower mark 1 2 3 ZMU06918 1 Flushing device...

Page 61: ...s inward to secure the top cowling 6 Check the fitting of the top cowling by pushing it with both hands NOTICE If the top cowling is not installed cor rectly water can enter the top cowl ing and damage the engine or the top cowling can blow off at high speeds ECM02371 1 Top cowling 2 Protrusion 3 Holder 4 Bottom cowling 1 Top cowling 2 Protrusion 3 Holder 4 Bottom cowling 2 3 4 1 ZMU07015 2 1 4 3 ...

Page 62: ...ely 4 Use the tilt support lever to lock the mo tor in the up position Operate the tilt down switch briefly so the motor is sup ported by the tilt support lever 5 Check that the tilt rod and trim rods are free of corrosion or other flaws 6 Activate the tilt down switch until the trim rods have retracted completely into the cylinders 7 Activate the trim up switch until the tilt rod is fully extende...

Page 63: ...e fuel only use a locally ap proved GASOLINE container 6 Touch the fuel nozzle to the filler open ing or funnel to help prevent electrostatic sparks 7 Fill the fuel tank but do not overfill WARNING Do not overfill Otherwise fuel can expand and overflow if the temperature increases EWM02611 8 Tighten the fuel tank cap securely 9 Wipe up any spilled gasoline immediate ly with dry rags Dispose of rag...

Page 64: ...e thrown forward 1 If equipped with the Yamaha Security System If the lock mode of the Yamaha Security System is selected use the re mote control transmitter to select the un lock mode Short beep will sound twice when unlocking the Yamaha Security System For further information see page 23 TIP If you lost track of the current security mode press the lock or unlock button to reset the security syst...

Page 65: ...itch to on wait 10 sec onds then crank the engine again ECM00193 When starting the engine using the Start Stop button press the button to start the engine The indicator for the starting engine will come on When starting the engine using the Start Stop button on the All Start Stop switch panel press the button to start the all engines TIP When the main switch is turned to start with the clip remove...

Page 66: ...r information see page 33 EMU36532 Checks after engine warm up EMU36542 Shifting While the boat is tightly moored and without applying throttle confirm that the engine shifts smoothly into forward and reverse and back to neutral EMU41821 Stop switches Perform the following procedure to check that the main switch and engine shut off switch operate properly Check that the engine stops when the main ...

Page 67: ...ted or im pact the steering wheel or other parts of the boat This could increase the risk of serious injury It could also damage the shift mechanism Do not shift into reverse while traveling at planing speeds Loss of control 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 id...

Page 68: ...the actual engine speed When warming up a cold engine the troll ing speed cannot be decreased below the specified engine idle speed 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 EMU41841 Procedure for stopping engine 1 The engine can be turned off eit...

Page 69: ...f the boat begins 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 a...

Page 70: ...er to one side or the other Compen sate for this as you steer When the bow of the boat is down it is easier to accelerate from a standing start onto plane Bow Up Too much trim out puts the bow of the boat too high in the water Performance and econ omy are decreased because the hull of the boat is pushing the water and there is more air drag Excessive trim out can also cause the propeller to ventil...

Page 71: ...g the outboard motor up and down Body parts can be crushed between the outboard motor and the clamp bracket when the outboard mo tor is trimmed or tilted NOTICE ECM00993 Before tilting the outboard motor fol low the procedure under Stopping en gine in this chapter Never tilt the outboard motor while the engine is run ning Severe damage from overheating can result To prevent the cooling water passa...

Page 72: ...onal support device to secure it in the tilt position For more detailed information see page 68 ECM01642 4 Once the outboard motor is supported with the tilt support lever press the pow er trim and tilt switch down to re tract the trim rods NOTICE Make sure that the trim rods retracts completely during mooring This protects the rods from marine growth and corro sion which could damage the power tr...

Page 73: ...TICE ECM02361 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 can result EMU35237 Procedure for power trim and tilt models 1 Place the control lever in neutral ZMU07178 ZMU05840 DN DN DN ZMU05841 1 Cooling water inlet DN ZMU07179 1 ZMU07...

Page 74: ...water or water high in other minerals flush the cooling system with fresh water to minimize corrosion and clogging of the cooling water passages with deposits Also rinse the exte rior of the outboard motor with fresh water Operating in water containing mud sand silt debris or vegetation Mud sand silt debris and vegetation in the water may restrict water flow into the cooling water inlet covers or ...

Page 75: ...uel is a fire hazard When trailering the boat close the fuel valve to prevent fuel from leaking The outboard motor should be transported and stored in the normal running position If there is insufficient road clearance in this po sition then trailer the outboard motor in the tilt position using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details When t...

Page 76: ...tails see page 75 TIP For long term storage fogging the engine with fogging oil is recommended Contact your Yamaha dealer for information about fogging oil and procedures for your outboard motor EMU40963 Flushing cooling water passage Perform this procedure right after operation for the most thorough flushing NOTICE ECM01531 Do not perform this procedure while the engine is running The water pump ...

Page 77: ...rm maintenance un less otherwise specified The power trim and tilt switches oper ate even when the ignition key is off Keep people away from the switches whenever working around the motor When the motor is tilted keep away from the area under it or between it and the clamp bracket Be sure no one is in this area before operating the power trim and tilt mechanism Allow the engine to cool before han ...

Page 78: ...ween light and heavy cargo loads Outboard motors operating under any of these above conditions require more fre quent maintenance Yamaha recommends that you do this service twice as often as specified in the maintenance chart For ex ample if a particular service should be done at 50 hours do it instead at 25 hours This will help prevent more rapid deterioration of engine components 6CE 9 74 1E0 bo...

Page 79: ...ter the engine should be flushed with clean water after each use The symbol indicates the check ups which you may carry out yourself The symbol indicates work to be carried out by your Yamaha dealer 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 replacement as necessary 87 Anode s internal 1 Inspection or replac...

Page 80: ...housing Inspection or replacement as necessary Impeller water pump housing Replacement OCV Oil Control Valve filter Replacement Power trim and tilt unit Inspection 55 Propeller propeller nut cotter pin Inspection or replacement as necessary 84 Spark plug s Inspection or replacement as necessary 76 Ignition coils igni tion coil leads Inspection or replacement as necessary Water from the cooling wat...

Page 81: ...switch Inspection or replacement as necessary Wire harness con nections wire cou pler connections Inspection or replacement as necessary Connector connec tions lead connec tions Inspection or replacement as necessary Yamaha Meter gauge Inspection Item Actions Every Page 1000 hours Exhaust guide exhaust manifold Inspection or replacement as necessary Timing belt Replacement Item Actions Initial Eve...

Page 82: ...intenance 75 EMU46110 Greasing Yamaha grease A water resistant grease Yamaha grease D corrosion resistant grease for propeller shaft and trim rods ZMU07181 6CE 9 74 1E0 book 75 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 83: ...rode To remove the spark plug 1 Remove the flywheel magnet cover after removing the bolt 2 Remove the ECM Electronic Control Module cover 3 Remove the bolt that is securing the ig nition coil and then remove the ignition coil NOTICE Do not use any tools to remove or install the ignition coil Otherwise the ignition coil coupler could be damaged ECM02331 4 Remove the spark plug WARNING When removing...

Page 84: ... is 1 2 to 2 3 turn past finger tight 3 Install the ignition coil and then tighten the bolt to the specified torque 4 Install the ECM cover 5 Install the flywheel magnet cover and then tighten the bolt to the specified torque EMU41872 Inspecting engine idle speed NOTICE ECM01691 This procedure must be performed while the outboard motor is in the water Inspect the engine idle speed using the me ter...

Page 85: ... nature it is strongly recommend ed that you use an oil changer to change the engine oil If an oil changer is not available drain the engine oil by removing the drain screw If you are not familiar with the proce dure for changing the engine oil consult your Yamaha dealer Changing the engine oil using an oil changer recommended 1 Put the outboard motor in an upright po sition not tilted NOTICE If t...

Page 86: ...per and lower marks Consult your Yamaha dealer if the oil level is out of specified level 14 Start the engine and make sure that the low oil pressure alert indicator remains off Also make sure that there are no oil leaks NOTICE If the low oil pressure alert indicator comes on or if there are oil leaks stop the engine and find the cause Continued operation with a problem could cause severe engine d...

Page 87: ... sition not tilted NOTICE If the out board motor is not level the oil level indicated on the oil dipstick may not be accurate ECM01862 2 Start the engine Warm it up and keep the idle speed for 5 10 minutes 3 Stop the engine and leave it for 5 10 minutes 4 Remove the top cowling 5 Remove the screws 6 Remove the bolts 7 Remove the apron from starboard side as shown in the illustration ZMU05843 1 Scr...

Page 88: ...he 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 as possible 11 Add the correct amount of oil through the filler hole NOTICE Overfilling the oil...

Page 89: ...t indicator remains off Also make sure that there are no oil leaks NOTICE If the low oil pressure alert indicator comes on or if there are oil leaks stop the engine and find the cause Continued operation with a problem could cause severe engine damage Consult your Yamaha dealer if the problem cannot be located and corrected ECM01623 18 Install the apron on the starboard side as shown in the illust...

Page 90: ...cording 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 EMU29116 Inspecting wiring and connectors Inspect that each connector is engaged securely Inspect that each ground lead is properly secured 1 Apron 1 Bolt 1 ZMU07960 1 1 1 ZMU07961 1 Screw...

Page 91: ...or tightening the propeller nut Place a block of wood between the anti cavitation plate and the propeller to prevent the propeller from turning Checkpoints Check each of the propeller blades for ero sion from cavitation or ventilation and oth er damage Check the propeller shaft for damage Check the splines for wear and damage Check for fish line tangled around the pro peller shaft EMU41992 Removin...

Page 92: ...haft NOTICE Make sure to install the thrust washer before in stalling the propeller Otherwise the lower case and propeller boss could be damaged ECM01882 3 Install the spacer washer and propeller nut Tighten the propeller nut to the specified torque TIP Make sure to align the protrusions on the spacer with the cutout areas of the propeller 4 Align the propeller nut slot with the pro peller shaft h...

Page 93: ...rtical position have a Yamaha dealer change the gear oil 1 Tilt the outboard motor so that the gear oil drain screw is at the lowest point pos sible 2 Place a suitable container under the gear case 3 Loosen the bolt and then remove the cooling water inlet covers on both sides of the gear case 4 Remove the gear oil drain screw and gasket 5 Remove the oil level plug and gasket to allow the gear oil ...

Page 94: ...ied torque 10 Install the cooling water inlet covers on both sides of the gear case and then tighten the bolt to the specified torque EMU29317 Inspecting and replacing anode s Yamaha outboard motors 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 NOTI...

Page 95: ...gnition near the battery The procedure for checking the battery var ies for different batteries This procedure contains typical checks that apply to many batteries but you should always refer to the battery manufacturer s instructions NOTICE ECM01921 A poorly maintained battery will quickly deteriorate 1 Check the electrolyte level 2 Check the battery s charge If your boat is equipped with the dig...

Page 96: ...n con nect the black battery cable to the NEG ATIVE 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 Connecting an accessory battery optional 1 If connecting an accessory battery con sult your Yamaha dealer about correct wiring It is recommendable to install the fuse to the isolator lead as shown in the illu...

Page 97: ...le s and re move the battery from the boat 4 Clean maintain and store the battery according to the manufacturer s instruc tions EMU38661 Storing the battery When storing your Yamaha outboard motor for prolonged periods of time 2 months or longer remove the battery and store it in a cool dry place Check the battery and charge it if necessary 1 Starboard side engine 2 Port side engine 3 Red cable 4 ...

Page 98: ...ceiver Q Has the battery cell of the remote control transmitter discharged A Operate from spare remote control trans mitter or replace battery cell by a Yamaha dealer Q Are battery connections loose or corrod ed A Tighten battery cables and clean battery terminals Q Is battery capacity weak or low A Check battery condition Use battery of recommended capacity Starter will not operate Q Is your Yama...

Page 99: ...commended type Q Is fuel system clogged A Inspect for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace fuel filter Q Are ignition parts malfunctioning A Have serviced by a Yamaha dealer Q Has alert system activated A Find and correct cause of alert Q Is spark plug gap incor...

Page 100: ...ch or diameter incorrect A Install correct propeller to operate out board motor at its recommended speed r min range Q Is outboard motor mounted at incorrect height on transom A Have outboard motor adjusted to proper transom height Q Has alert system activated A Find and correct cause of alert Q Is boat bottom fouled with marine growth A Clean boat bottom Q Are spark plugs fouled or of incorrect t...

Page 101: ...aft damaged A Have serviced by a Yamaha dealer Q Are weeds or other foreign material tan gled on propeller A Remove and clean propeller Q Are outboard motor mounting bolts loose A Tighten bolts or have serviced by a Yamaha dealer Q Is steering pivot loose or damaged A Have serviced by a Yamaha dealer EMU29434 Temporary action in emergency EMU29442 Impact damage WARNING EWM00871 The outboard motor ...

Page 102: ...g procedure 1 Turn the main switch to the off position 2 Remove the fuse box cover 3 When replacing the main fuse or isolater fuse remove the screws and then re move the fuse Install the spare fuse and then tighten the screws 4 When replacing a fuse other than the main fuse or isolater fuse remove the 1 Fuse box cover 2 Main fuse 100 A 3 Isolator fuse 100 A 4 Fuel feed pump fuse 10 A 5 Main switch...

Page 103: ...nd then tighten the manual valve screw by turning it clock wise EMU41891 Water separator alert indicator blinks while cruising WARNING EWM02543 Gasoline is highly flammable and its va pors are flammable and explosive Do not perform this procedure on a hot or running engine Allow the engine to cool There will be fuel in the fuel filter Keep away from sparks cigarettes flames or other sources of ign...

Page 104: ...e filter cup by soak ing it up with a rag 7 Put the O ring on the filter cup in its orig inal position and then install the filter cup onto the filter housing NOTICE Be careful not to twist the water detec tion switch lead when screwing the filter cup onto the filter housing ECM01971 8 Connect the water detection switch cou pler securely until a click is heard 9 Install the fuel filter cover and t...

Page 105: ... Al though the buzzer will stop when the engine is started and the control lever is moved to the forward or reverse position do not use the outboard mo tor Otherwise serious engine dam age could occur ECM02481 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 ...

Page 106: ...te label 6 Components diagram 19 Control functions checking 52 Cooling water 59 Cowling lock lever 31 D Digital electronic control active indicator 24 Digital Electronic Control alert 44 Digital electronic control alert indicator 25 Digital Electronic Control box 24 Digital electronic control requirements 12 Digital electronic control serial number 4 Draining the gasoline from the vapor separator ...

Page 107: ...king 53 Outboard motor disposal requirements 16 Outboard motor painted surface checking 70 Outboard motor safety 1 Outboard motor serial number 4 Overheat alert 34 38 44 Overloading 2 P Passengers 2 Passenger training 3 People in the water 2 Periodic maintenance 70 Personal flotation devices PFDs 2 Power trim and tilt 1 Power trim and tilt switch bottom cowling 29 Power trim and tilt switch digita...

Page 108: ... 64 Tilt support lever 30 Top cowling installing 53 Top cowling removing 51 Transporting and storing outboard motor 68 Trimming outboard motor 62 Trim tab with anode 30 Trolling 60 Troubleshooting 91 W Warming up engine 59 Warning labels 7 Water separator alert 35 39 46 Water separator alert indicator blinks while cruising 96 Weather 3 Wiring and connectors inspecting 83 Y Yamaha Security System 1...

Page 109: ...6CE 9 74 1E0 book 102 ページ２０１４年１２月４日木曜日午前９時３０分 ...

Page 110: ...Printed on recycled paper Printed in Japan November 2014 0 5 1 6CE 9 74 1E0 book 1 ページ２０１４年１２月４日木曜日午前９時３０分 ...

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Yamaha F225F, Owner'S Manual

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