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Maintenance

93

EMU35062

Cleaning and adjusting spark plug

The spark plug is an important engine com-
ponent and is easy to inspect. The condition
of the spark plug can indicate something
about the condition of the engine. For exam-
ple, if the center electrode porcelain is very
white, this could indicate an intake air leak or
carburetion problem in that cylinder. Do not
attempt to diagnose any problems yourself.
Instead, take the outboard motor to a
Yamaha dealer. You should periodically re-
move and inspect the spark plug because
heat and deposits will cause the spark plug
to slowly break down and erode.
1.

Remove the flywheel cover from the rear
side.

2.

Remove the bolts to remove the rear
cover.

3.

Remove the bolts to remove the covers
of both port and starboard sides.

4.

Remove the bolts to move the plate.

5.

Remove the bolts that are securing the
ignition coil, and then remove the igni-
tion coil. Do not use any tools to remove
or install the ignition coil, otherwise the
ignition coil coupler may get damaged.

ZMU05899

ZMU05900

ZMU05901

ZMU05902

ZMU05904

©

2019 Yamaha Motor Corporation, U.S.A.

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Содержание F300

Страница 1: ...50 OWNER S MANUAL 6AW 28199 14 U S A Edition LIT 18626 08 14 q Read this manual carefully before operating this outboard motor 6AW 9 14 Hyoshi 08 3 26 13 40 ページ 1 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 2: ...fore 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 6AW 9 14 Hyoshi 08 3 26 13 40 ページ 2 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 3: ...indicates special precautions that must be taken to avoid damage to the outboard motor or other property TIP A TIP provides key information to make pro cedures easier or clearer Yamaha continually seeks advancements in product design and quality Therefore while this manual contains the most current prod uct information available at the time of print ing there may be minor discrepancies between you...

Страница 4: ...power rating 15 Mounting motor 15 Digital electronic control requirements 16 Battery requirements 16 Specifications of Battery 16 Mounting battery 16 Multiple batteries 16 Propeller selection 17 Counter rotation models 17 Start in gear protection 17 Engine oil requirements 18 Fuel requirements 18 Gasoline 18 Ring Free Fuel Additive 19 Muddy or acidic water 19 Anti fouling paint 19 Motor disposal r...

Страница 5: ...rols 56 Engine shut off cord lanyard 56 Engine oil 57 Engine 58 Flushing device 58 Install cowling 58 Checking power trim and tilt system 59 Battery 60 Filling fuel 60 Operating engine 60 Priming fuel system 60 Change of station 61 Starting engine 61 Checks after starting engine 66 Cooling water 66 Warming up engine 66 Electric start models 66 Checks after engine warm up 66 Shifting 66 Stop switch...

Страница 6: ...specting and replacing anode s 100 Checking battery for electric start models 100 Connecting the battery 101 Disconnecting the battery 103 Trouble Recovery 104 Troubleshooting 104 Temporary action in emergency 107 Impact damage 107 Running in an emergency twin engines or triple engines 107 Replacing fuse 108 Power trim and tilt will not operate 109 Water separator alert indicator blinks while crui...

Страница 7: ... 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 the tilt support lever is l...

Страница 8: ...ommends 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 boat ing conditions EMU33730 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 water near the boat shift into neut...

Страница 9: ...at is involved in any of the following accidents 1 There is loss of life or probable loss of life 2 There is personal injury that requires medical attention beyond first aid 3 There is property damage to boats or other property over a certain amount 4 There is complete loss of a boat Contact local law enforcement personnel if a report is necessary EMU33870 Boat education and training Operators sho...

Страница 10: ...laws United States Coast Guard Consumer Affairs Staff G BC Office of Boating Public and Consumer Af fairs U S Coast Guard Headquarters Washington D C 20593 0001 Boating Safety Hotline 1 800 368 5647 www uscgboating org United States Power Squadrons 1 888 FOR USPS 1 888 367 8777 www usps org Boat Owners Association of The United States 1 800 336 BOAT 1 800 336 2628 www boatus com National Associati...

Страница 11: ...a tion and collision and to any special circum stances which may render a departure from the above rules necessary in order to avoid immediate danger In other words follow the standard rules ex cept when a collision will occur unless both vessels try to avoid each other If that is the case both vessels become Give Way vessels EMU25521 Rules when encountering vessels There are three main situations...

Страница 12: ...of a power driven vessel is preparing to go around a bend that may obstruct the view of other wa ter vessels the operator should sound a pro longed blast on the whistle 4 to 6 seconds If another vessel is around the bend it too should sound the whistle Even if no reply is heard however the vessel should still pro ceed around the bend with caution If you navigate such waters with your boat you will...

Страница 13: ...re to port left side When navigating out of port your posi tion with respect to the buoys should be re versed red buoys should be to port and black buoys to starboard Many bodies of water used by boaters are entirely within the boundaries of a particular state The Uniform State Waterway Marking System has been devised for these waters This system uses buoys and signs with dis tinctive shapes and c...

Страница 14: ...Safety information 8 ZMU01708 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 15: ...n EMU34942 Digital electronic control serial number The digital 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 t...

Страница 16: ...e 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 1 Digital electronic control serial number loca tion ZMU05958 1 1 Key number 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 17: ...anuals supplied with the boat Read all labels on the outboard motor and the boat If you need any additional information contact your Yamaha dealer EMU33831 Warning labels If these labels are damaged or missing contact your Yamaha dealer for replacements 3 2 1 ZMU05942 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 18: ...General information 12 EMU33850 Other labels 1 2 ZMU05741 3 ZMU05710 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 19: ...2 Symbols The following symbols mean as follows Notice Warning Read Owner s Manual Hazard caused by continuous rotation Electrical hazard ZMU05696 ZMU05664 ZMU05665 ZMU05666 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 20: ...n 300 HP 5500 r min LF350TR 257 4 kW 5500 r min 350 HP 5500 r min Idling speed in neutral 650 50 r min Engine Type 4 stroke V Displacement 5330 0 cm3 Bore stroke 94 0 96 0 mm 3 70 3 78 in Ignition system TCI Spark plug NGK LFR6A 11 Spark plug gap 1 0 1 1 mm 0 039 0 043 in Control system Remote control Starting system Electric Starting carburetion system Electronic fuel injection Valve clearance co...

Страница 21: ...ing oil filter 6 5 L 6 87 US qt 5 72 Imp qt Recommended gear oil Hypoid gear oil SAE 90 or 80W 90 API GL 5 Gear oil quantity F300TR 1 520 L 1 607 US qt 1 338 Imp qt F350TR 1 520 L 1 607 US qt 1 338 Imp qt LF300TR 1 310 L 1 385 US qt 1 153 Imp qt LF350TR 1 310 L 1 385 US qt 1 153 Imp qt Tightening torque for engine Spark plug 28 0 Nm 2 86 kgf m 20 7 ft lb Propeller nut 55 0 Nm 5 61 kgf m 40 6 ft lb...

Страница 22: ...onic control unit in the follow ing cases If a used outboard motor is installed If the digital electronic control unit is re placed If the ECM Electronic control module of the used outboard motor is replaced If the ECM Electronic control module of the digital electronic control unit is re placed Consult your Yamaha dealer for setting EMU25694 Battery requirements EMU25713 Specifications of Battery...

Страница 23: ...m load but remember that you may need to reduce your throttle setting to stay within the recommended engine speed range when carrying lighter loads For instructions on propeller removal and in stallation see page 97 EMU36310 Counter rotation models Standard outboard motors rotate clockwise Counter rotation models rotate counterclock wise Counter rotation models are typically used in multiple motor...

Страница 24: ... good quality gasoline that meets the minimum octane rating Yamaha recomends that you use alcohol free see Gasohol gas Recommended engine oil YAMALUBE 4 M or FC W rated 4 stroke 4 stroke motor oil Engine oil type FC W 10W 30 10W 40 20W 40 5W 30 Engine oil grade API SE SF SG SH SJ SL Engine oil quantity without replacement of oil filter Oil pan capacity 7 8 L 8 24 US qt 6 86 Imp qt Engine oil quant...

Страница 25: ...hosen to give certain characteristics Gasoline blends have been changing in recent years in response to con cerns about pollution and resulting emis sions regulations One of the most obvious changes has been the elimination of lead from most fuels As gasoline has changed the amount of ad ditives such as aromatics and oxygenates has increased These additives are impor tant for the engines in passen...

Страница 26: ...uding metric sizes and electrical tape Waterproof flashlight with extra batteries An extra engine shut off cord lanyard with clip Spare parts such as an extra set of spark plugs Consult your Yamaha dealer for details EMU25221 Emission control information EMU25230 North American models This engine conforms to U S Environmental Protection Agency EPA regulations for ma rine SI engines See the label a...

Страница 27: ...s These engines are equivalent to the U S EPA s 2006 standards for marine en gines EMU25290 Two Stars Very Low Emission The two star label identifies engines that meet the Air Resources Board s 2004 ex haust emission standards Engines meeting these standards have 20 lower emissions than One Star Low Emission engines EMU25300 Three Stars Ultra Low Emission The three star label identifies engines th...

Страница 28: ...identifies engines that meet the 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 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 29: ... mod els F300 F350 LF300 LF350 1 2 3 4 5 6 7 7 8 9 7 10 10 6 ZMU05813 1 Top cowling 2 Anti cavitation plate 3 Propeller 4 Cooling water inlet 5 Clamp bracket 6 Tilt support lever 7 Top cowling lock lever s 8 Water separator 9 Flushing device 10 Power trim and tilt switch 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 30: ... shut off switch 4 Switch panel for use with side mount type 5 Digital electronic control single type 6 Switch panel for use with single type 7 Digital electronic control twin type 8 Switch panel for use with twin type 9 Digital electronic control triple type 10 Switch panel for use with triple type 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 31: ...pe 2 Switch panel for use with single type 3 Digital electronic control twin type 4 Switch panel for use with twin type 5 Clip 6 Engine shut off switch 7 Digital electronic control triple type 8 Switch panel for use with triple type 9 Station selector switch panel 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 32: ...e 2 Switch panel for use with single type 3 Digital electronic control twin type 4 Switch panel for use with twin type 5 Clip 6 Engine shut off switch 7 Digital electronic control triple type 8 Switch panel for use with triple type 9 Station selector switch panel 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 33: ...control unit is correctly connected to the outboard motor The digital electric controls of the main sta tion and sub station have the same func tions 1 4 6 3 2 5 ZMU05429 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 6 Fuel management meter Square type 2 0 1 9 Y a m a h a M o t o r C ...

Страница 34: ...trol active indicator 5 Free throttle switch 6 Clip 7 Engine shut off switch 8 Throttle friction adjuster 9 Power trim and tilt switch ZMU06225 9 1 2 6 7 8 5 4 3 ZMU05850 1 6 5 4 2 3 ZMU05851 1 6 5 4 3 2 1 Control lever 2 Digital electronic control active indicator 3 Digital electronic control alert indicator 4 Free throttle switch 5 Throttle friction adjuster 6 Power trim and tilt switch 7 Engine...

Страница 35: ...Off Shift and throttle not operable EMU34983 Digital electronic control alert indicator The digital electronic control alert indicator lights when trouble occurs in the connection between the digital electronic control and outboard motor Consult your Yamaha deal er for details 1 Digital electronic control active indicator 1 ZMU05888 1 ZMU05890 1 ZMU05966 ZMU06227 1 1 ZMU05889 1 ZMU05891 2 0 1 9 Y ...

Страница 36: ...s of the center engine and starboard side engine to adapt to the portside engine speed The functions of the control lever for triple type digital electronic control are as follows Operate the port side engine using the port side control lever The center engine runs at the average speed of port side and starboard side en gines speeds Operate the starboard side engine using the starboard side contro...

Страница 37: ...ic control ac tive indicator starts blinking While the indi cator blinks you can open or close the throttle This can also be done when the con trol lever is set in reverse Single type Single type 1 Neutral interlock trigger ZMU06285 1 ZMU06231 N F ZMU06232 N 2 22 5 3 1 ZMU05880 F N ZMU05881 N 1 2 3 22 5 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 38: ...eturn automatically to its set position The digital electronic control ac tive indicator will change from blinking to continuously lit and the digital electronic con trol will then engage forward and reverse normally EMU35871 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 resi...

Страница 39: ...esired throttle set ting EMU35710 Station selector switch The station selector switch can select either the main station or sub station for the digital electronic control which operates the boat The digital electric controls of the main sta tion and sub station have the same func tions You can change the station when the main switch is turned to on and all con trol levers are in Neutral The switch...

Страница 40: ...gine This will prevent the boat from running away under power WARNING EWM01790 Attach the engine shut off cord to a se cure 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 entangled pre venting it from functioning Avoid accidentally pulling the cord dur ing normal operation Loss of engine...

Страница 41: ... With the main switch in the on posi tion the electrical circuits are on and the key cannot be removed start With the main switch in the start po sition the starter motor turns to start the en gine When the key is released it returns 1 Cord 2 Clip 3 Engine shut off switch ON START OFF ON START OFF 1 2 3 ZMU05818 1 2 3 ZMU05978 1 2 3 ZMU05979 1 Cord 2 Clip 3 Engine shut off switch 1 2 3 ZMU05980 1 ...

Страница 42: ...the engine with the electric starter push the black button Only equipped on the sub station Single type Twin type ZMU06245 ON OFF START ON OFF START ZMU04567 ON OFF START ON OFF START ZMU05821 ON OFF START ON OFF START ON OFF START ZMU05982 ZMU05983 ZMU05984 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 43: ... the outboard motor angle in relation to the tran som Pressing the switch up trims the outboard motor up and then tilts it up Press ing the switch down tilts the outboard motor down and trims it down When the switch is released the outboard motor will stop in its current position For instructions on using the power trim and tilt switch see pages 77 and 79 ZMU05985 ZMU05986 ZMU05987 ZMU05988 ZMU062...

Страница 44: ...owling only when the boat is at a complete stop with the en gine 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 obsta cle EMU35851 Power trim and tilt switches The power trim and tilt system adjusts the outboard motor angle in relation to the tran som Pu...

Страница 45: ...motor in the tilted up position lock the tilt support lever to the clamp bracket Make sure that the lever is securely retained by the bolts NOTICE ECM00660 Do not use the tilt support lever or knob when trailering the boat The outboard motor could shake loose from the tilt sup port and fall If the motor cannot be trail ered in the normal running position use an additional support device to secure ...

Страница 46: ...not even reinstall the cowling EMU26460 Flushing device This device is used to clean the cooling wa ter passages of the motor using a garden hose and tap water TIP For details on usage see page 86 EMU33462 Fuel filter Water separator This engine has a combination fuel filter wa ter separator and associated alert system If water separated from the fuel exceeds a specific volume the alert device of ...

Страница 47: ...eutral If the alert system has activated stop the engine and consult a Yamaha dealer im mediately TIP Adding an in line 10 micron fuel filter has been show to greatly reduce the chance of fuel contamination problems Consult your dealer for information about Yamaha 10 mi cron fuel filters if your boat does not have one ZMU05854 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 48: ...gine revolu tions per minute It has functions of trim meter adjusting trolling speed cooling wa ter engine temperature display battery volt age display total hour trip hour display oil pressure display water detection alert en gine trouble alert and periodic maintenance notification If optional sensors are connect ed to the unit cooling water pressure display will be available For the optional sen...

Страница 49: ...e engine speed is increased within 3000 r min using the throttle When the throttle is closed the display returns to the trolling speed setting mode For details see the attached operation manual TIP Trolling is affected by currents and other operating conditions and may differ from the actual engine speed The default engine idle speed is reset au tomatically when the display is switched to the norm...

Страница 50: ...oil if necessary If the alert device has activated while the appropriate engine oil quantity is maintained consult your Yamaha dealer NOTICE ECM01601 Do not continue to run the engine if the low oil pressure alert device has activat ed Serious engine damage will occur EMU36221 Overheat alert If the engine temperature rises too high while cruising the overheat alert indicator will start to blink Th...

Страница 51: ...E ECM00910 Gasoline mixed with water could cause damage to the engine EMU36160 Engine trouble alert This indicator will blink if the engine malfunc tions while cruising Get back to the port soon and consult a Yamaha dealer immedi ately NOTICE ECM00920 In such an event the engine will not oper ate properly Consult a Yamaha dealer immediately EMU36170 Low battery voltage alert If the battery voltage...

Страница 52: ...depth display and clock will also be avail able For the optional sensors consult your Yamaha dealer The speed fuel meter unit is available in round or square types Check your speed fuel meter unit type for operation information After the main switch is first turned on all the displays come on as a test After a few sec onds the gauge will change to normal oper ation For more information see the ope...

Страница 53: ...ge will change to normal oper ation For more information see the operation manual originally supplied with the meter EMU31632 Command link multifunction fuel management meters The fuel management meter has the func tions of fuel flow meter total consumption display fuel economy display and remain ing fuel display The chosen display is select ed by using the set and mode buttons as described in thi...

Страница 54: ...n For more information see the operation manual originally supplied with the meter 1 Set button 2 Mode button 1 Fuel flow meter 2 Multifunction display 2 1 ZMU05438 1 2 ZMU05439 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 55: ...or will light Even if 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 EMU35015 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 o...

Страница 56: ... buzzer will sound Main station Sub station ZMU05422 ZMU06297 ZMU04583 OFF START ON ON OFF START ZMU05827 ON OFF START ON OFF START ON OFF START ZMU05989 ZMU05990 ZMU05991 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 57: ...844 Low oil pressure alert If the oil pressure drops too low the alert de vice will activate The engine speed will automatically de crease to about 2000 r min The low oil pressure alert indicator will light or blink The buzzer will sound in the same way as during an overheating alert If the alert device has activated stop the en gine as soon as it is safe to do so Check the oil level and add oil a...

Страница 58: ...rigging should mount the motor EMU35811 Mounting the outboard motor The outboard motor should be mounted so that the boat is well 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 engine boats mount the outboard motors equidistant from the centerline For triple engine boats mount the center out boar...

Страница 59: ... for further informa tion on determining the proper mounting height NOTICE ECM01630 During water testing check the buoy ancy of the boat at rest with its maxi mum load Check that the static water level on the exhaust housing is low enough to prevent water entry into the power head when water rises due to waves when the outboard is not run ning Incorrect engine height or obstructions to the smooth ...

Страница 60: ...lure to follow the break in procedure could result in reduced engine life or even severe engine damage Run the engine in the water under load in gear with a propel ler installed as follows For ten hours for breaking in engine avoid extended 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 t...

Страница 61: ...hly flam mable and explosive Keep away from sparks cigarettes flames or other sources of ignition WARNING EWM00910 Leaking fuel can result in fire or explo sion Check for fuel leakage regularly If any fuel leakage is found the fuel system must be repaired by a qualified mechanic Improper repairs can make the outboard unsafe to operate EMU36450 Check for fuel leaks Check under top cowling and in th...

Страница 62: ...tion should be smooth over the complete range of motion and each le ver should return completely to the idle po sition EMU36922 Engine shut off cord lanyard Inspect the engine shut off cord for damage such as cuts breaks and wear Single type Single type Twin type 1 Cord 2 Clip 3 Engine shut off switch ZMU05854 ZMU06235 1 3 2 1 Cord 2 Clip 3 Engine shut off switch ZMU04565 1 2 3 1 2 3 ZMU05979 ON S...

Страница 63: ... into the dipstick guide otherwise the oil level measurement will be incorrect 5 Check the oil level using the dipstick to be sure the level falls between the upper and lower marks Consult your Yamaha dealer if the oil level is out of specified level or if it appears milky or dirty 1 Cord 2 Clip 3 Engine shut off switch 1 Cord 2 Clip 3 Engine shut off switch 1 2 3 ZMU05980 1 2 3 ZMU05978 1 2 3 ZMU...

Страница 64: ... all cowling lock levers are released 2 Be sure that the rubber seal is seated all the way around the engine 3 Place the cowling on top of the seal 4 Check to be sure it fits properly in the rubber seal 5 Move the levers to lock the cowling as shown NOTICE If the cowling is not installed correctly water spray under the cowling can damage the engine or the cowling can blow off at high speeds ECM019...

Страница 65: ... the power trim and tilt switches on the digital electronic control and engine bottom cowling if equipped to check that all switches work 3 Tilt the outboard motor up and check that the tilt rod and trim rods are extend ed completely 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 t...

Страница 66: ...eyes see your doctor immediately If gasoline spills on your skin wash with soap and wa ter If gasoline spills on your clothing change your clothes 1 Stop the engine 2 Be sure you are in a well ventilated out door area either securely moored or trailered 3 Make sure no one is in the boat 4 Do not smoke and keep away from sparks flames static electric discharge or other sources of ignition 5 If you ...

Страница 67: ...tions Be sure there are no swimmers in the wa ter near you EMU35866 Procedure for single station models WARNING EWM01840 Failure to attached engine shut off cord could result in a runaway boat if opera tor is ejected Attach the engine shut off cord to a secure place on your cloth ing or your arm or leg while operating Do not attach the cord to clothing that could tear loose Do not route the cord w...

Страница 68: ...make sure that the digital electronic con trol active indicator lights The engine can not be started when the digital elec tronic control alert indicator lights TIP When the main switch is turned to on with the clip removed from the engine shut off switch the buzzer will sound ZMU06236 N ZMU05829 N ZMU06237 ZMU04628 ON START OFF ON START OFF ZMU05828 ZMU05993 2 0 1 9 Y a m a h a M o t o r C o r p ...

Страница 69: ...or more than 5 seconds If the starter motor is turned continuously for more than 5 sec onds the battery will be quickly dis charged thus making it impossible to start the engine The starter can also be damaged If the engine will not start after 5 seconds of cranking re turn the main switch to on wait 10 seconds then crank the engine again ECM00192 ZMU06246 ON START ON START ZMU04596 ON START ZMU05...

Страница 70: ...n ECM00192 TIP The sub station can start and stop the en gine However it cannot operate the digital electronic control EMU35762 Procedure for dual station models sub station WARNING EWM01840 Failure to attached engine shut off cord could result in a runaway boat if opera tor is ejected Attach the engine shut off cord to a secure place on your cloth ing or your arm or leg while operating Do not att...

Страница 71: ...rter button to start the mo tor NOTICE Never push the starter button while the engine is running Do not keep the starter motor turning for more than 5 seconds If the starter motor is turned continuously for more than 5 seconds the battery will be quickly discharged thus making it impossible to start the engine The starter can also be damaged If the engine will not start after 5 seconds of cranking...

Страница 72: ...the cooling water pilot hole is blocked Consult your Yamaha dealer if the problem cannot be located and cor rected Check that no water leaks from the joints be tween the exhaust cover cylinder head and body cylinder EMU27670 Warming up engine EMU35264 Electric start models After the engine has started warm the en gine up until the engine speed settles at idling speed EMU36530 Checks after engine w...

Страница 73: ...d of port side and starboard side engines speeds Operate the port side engine using the port side control lever The center engine runs at the average speed of port side and starboard side en gines speeds Operate the starboard side engine using the starboard side control lever 2 Push the engine selector switch once to operate the port side and starboard side engines 1 Port side control lever 2 Star...

Страница 74: ...0 Before shifting make sure there are no swimmers or obstacles in the water near you Warm up the engine before shifting into gear Until the engine is warm the idle speed may be higher than normal The control lever of the Digital electronic control can be operated even at high engine speeds However gear shifting will not work until the engine speed has automatically decreased to a speed at which ac...

Страница 75: ...reverse to neutral 1 Close the throttle so that the engine slows to idle speed 2 After the engine is at idle speed in gear move the control lever firmly and crisply into the neutral position 1 Neutral interlock trigger ZMU06285 1 ZMU06238 N F R 22 5 22 5 ZMU05831 N F R 22 5 22 5 ZMU06239 R F ZMU05832 R F ZMU06236 N 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 76: ...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 EMU35890 Operating the port center starboard engine The outboard motor to be used can be se lected with the main switch NOTICE ECM01740 Be sure to tilt the unoperated motor up Otherwise water could enter the exhaust pipe due to...

Страница 77: ...the port side engine and star board side engine Operate the port side engine using the port side control lever Operate the starboard side engine using the starboard side control lever Operating the port side engine and center engine Operate the port side engine using the port side control lever Operate the center engine using the star board side control lever ON ON ON ZMU06004 ZMU06001 ON ON ZMU06...

Страница 78: ...sing the port side control lever Operate the starboard side engine using the starboard side control lever Operating the center engine Operate the center engine using the port side control lever ZMU06008 ON ON ZMU06009 ZMU06002 ON ZMU06010 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 79: ...d motors When using the port side engine center engine and starboard side engine Boat direction and turning force The size of the arrow is proportional to the turning force Propulsion P C S P C S P C S P C S P C S P C S P C S P C S P C S P C S P C S P C S ZMU06011 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 80: ...ard side engine Boat direction and turning force The size of the arrow is proportional to the turning force Propulsion P C S P C S P C S P C S P C S P C S P C S P C S P C S P C S P C S P C S ZMU06012 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 81: ... using the center engine Boat direction and turning force The size of the arrow is proportional to the turning force Propulsion P C S P C S P C S P C S ZMU06013 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 82: ...ion models main station 1 The procedure until stopping the engine is the same as that of the single station models 2 Remove the key if the boat will be left unattended TIP The engine can also be stopped by pulling the cord and removing the clip from the en gine shut off switch then turning the main switch to off EMU35910 Procedure for dual station models sub station Push and hold the red engine st...

Страница 83: ...m angle will help im prove performance and fuel economy while reducing strain on the engine Correct trim angle depends upon the combination of boat engine and propeller Correct trim is also affected by variables such as the load in the boat sea conditions and running speed EMU27885 Adjusting trim angle Power trim and tilt WARNING EWM00753 Be sure all people are clear of the out board motor when ad...

Страница 84: ... works best for your boat and operating conditions EMU27911 Adjusting boat trim When the boat is on plane a bow up 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 The trim tab can also b...

Страница 85: ...the outboard motor trim angle may have little effect on the trim of the boat when operating EMU27944 Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows the out board motor should be tilted up to protect the propeller and lower case from damage by collision with obstructions and also to re duce salt corrosion WARNING EWM01541 Be sure all people are ...

Страница 86: ...e power trim and tilt switch on the dig ital electronic control to operate 2 Place the control lever in neutral 3 Press the power trim and tilt switch up until the outboard motor has tilted up completely ZMU06236 N ZMU05829 N ZMU06280 UP ZMU05837 UP UP UP ZMU05838 UP UP ZMU06020 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 87: ...etailed information see page 85 ECM01641 5 Models equipped with trim rods Once the outboard motor is supported with the tilt support lever press the power trim and tilt switch down to retract the trim rods NOTICE Be sure to retract the trim rods completely during mooring This protects the rods from marine growth and corrosion which could damage the power trim and tilt mechanism ECM00251 EMU35513 P...

Страница 88: ...tilt models The outboard motor can be tilted up partially to allow operation in shallow water NOTICE ECM01490 If the engine speed is suddenly in creased when the outboard motor is partially tilted up the power trim and tilt ZMU05856 ZMU06258 DN ZMU05840 DN DN DN ZMU05841 DN DN ZMU06021 DN ZMU05842 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 89: ...ace the control lever in neutral 2 Slightly tilt the outboard motor up to the desired position using the power trim and tilt switch WARNING Using the power trim and tilt switch on the bot tom cowling while the boat is moving or engine is on could increase the risk of falling overboard and could distract the operator increasing the risk of collision with another boat or an obstacle EWM01850 ZMU0623...

Страница 90: ...r with fresh wa ter and if possible rinse the power head un der the cowling Cruising in muddy turbid or acidic water Yamaha strongly recommends that you use the optional chromium plated water pump kit see page 19 if you use the outboard motor in acidic water or water with a lot of sediment in it such as muddy or turbid cloudy water After operating in such water flush the cool ing passages with fre...

Страница 91: ...f time 2 months or longer several important procedures must be performed to prevent excessive damage It is advisable to have your outboard motor serviced by an authorized Yamaha dealer prior to storage However you the owner with a minimum of tools can perform the fol lowing procedures NOTICE ECM01720 Store the outboard motor in a dry well ventilated place not in direct sunlight TIP The last time y...

Страница 92: ...OTICE Do not spray water into the air intake ECM01840 2 Spray the outboard motor exterior with Yamaha Silicone Protectant NOTICE Do not spray when the engine is run ning Also do not spray near the si lencer or into the engine Otherwise the engine could be damaged ECM01402 3 Wax the cowling with a non abrasive wax such as Yamaha Silicone Wax EMU28443 Flushing power unit Perform this procedure right...

Страница 93: ...int are more likely to corrode If necessary clean and paint the areas A touch up paint is avail able from your Yamaha dealer EMU2848A Periodic maintenance WARNING EWM01871 These procedures require mechanical skills tools and supplies If you do not have the proper skills tools or supplies to perform a maintenance procedure have a Yamaha dealer or other qualified mechanic do the work The procedures ...

Страница 94: ...amaha dealer EMU35520 Maintenance interval guidelines The service intervals provided in the Mainte nance Chart were developed based upon typical use that includes operating at varied speeds with sufficient time for engine warm up and cool down a medium to light load and an average cruising speed near the 3000 to 4000 rpm range As with any engine however if your normal operating conditions are diff...

Страница 95: ... 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 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 exhaust joint cylinder head thermostat cover Inspection or replace ment as ...

Страница 96: ...ection or replace ment as necessary Impeller water pump housing Replacement OCV Oil Control Valve filter Inspection and clean ing Power trim tilt unit Inspection Propeller Propeller nut Cotter pin Inspection or replace ment as necessary PCV Pressure Con trol Valve Inspection or replace ment as necessary Spark plug s Inspection or replace ment as necessary Water from the cooling water pilot hole In...

Страница 97: ...ler con nections Inspection or replace ment as necessary Yamaha Meter gauge Inspection Item Actions Every 1000 hours Guide exhaust exhaust manifold Inspection or replace ment as necessary Timing belt Replacement Item Actions Initial Every 20 hours 3 months 100 hours 1 year 300 hours 3 years 500 hours 5 years 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 98: ...Maintenance 92 EMU28932 Greasing Yamaha marine grease Water resistant grease F300 F350 LF300 LF350 ZMU05859 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 99: ...dealer You should periodically re move and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode 1 Remove the flywheel cover from the rear side 2 Remove the bolts to remove the rear cover 3 Remove the bolts to remove the covers of both port and starboard sides 4 Remove the bolts to move the plate 5 Remove the bolts that are securing the ignition ...

Страница 100: ...m the threads and then screw it in to the correct torque TIP If a torque wrench is not available when you are fitting a spark plug fully tighten a spark plug with a spark plug wrench Then tighten 1 4 to 1 2 turn more Have the spark plug ad justed to the correct torque as soon as pos sible with a torque wrench 9 Install the ignition coil and tighten the bolts 10 Fasten the plate and install the bol...

Страница 101: ...he 4 positions during in stallation 14 Be sure to fit the 2 positions during in stallation Bolt tightening torque 8 0 Nm 0 8 kgf m 5 8 ft lb Bolt tightening torque 8 0 Nm 0 8 kgf m 5 8 ft lb ZMU05901 ZMU05900 ZMU05929 ZMU05932 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 102: ...e speed is set to specification For idle speed specifica tions see page 14 EMU35084 Changing engine oil NOTICE ECM01710 Change the engine oil after the first 20 hours of operation or 3 months and ev ery 100 hours or at 1 year intervals there after Otherwise the engine will wear quickly Consult your Yamaha dealer for replace ment of the engine oil filter and change of the engine oil EMU29112 Checki...

Страница 103: ...propeller from turning Checkpoints Check each of the propeller blades for wear erosion from cavitation or ventila tion or other damage Check the propeller shaft for damage Check the splines for wear or damage Check for fish line tangled around the pro peller shaft Check the propeller shaft oil seal for dam age EMU30661 Removing propeller EMU29197 Spline models 1 Straighten the cotter pin and pull ...

Страница 104: ...ends NO TICE Do not reuse the cotter pin in stalled Otherwise the propeller can come off during operation ECM01890 TIP If the propeller 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 EMU31913 Changing gear oil WARNING EWM00800 Be sure the outboard motor is securely fastened to the transom or a stable stand...

Страница 105: ...ition Using a flexible or pressurized fill ing device inject the gear oil into the gear oil drain screw hole 7 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 8 Put a new gasket on the gear oil drain screw Insert and tighten the gear oil 1 Gear oil drain screw 2 Oil level plug 3 Gasket ZMU05870 2 3 1 3 Recommen...

Страница 106: ...inspection and replace ment of internal anodes attached to the pow er unit EMU29322 Checking battery for electric start models WARNING EWM01900 Battery electrolytic fluid is poisonous and caustic and batteries generate ex plosive hydrogen 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 Refer to page 16...

Страница 107: ...nt the battery holder securely in a dry well ventilated vibration free loca tion in the boat Install a fully charged bat tery in the holder NOTICE ECM01123 Reversal of the battery cables will dam age the electrical parts 1 Make sure the main switch on applica ble models is off before working on the battery 2 Connect the red battery cable to the POSITIVE terminal first Then con nect the black batte...

Страница 108: ...ry for starting 7 Negative connecting cable 2 1 7 6 5 3 4 ZMU05939 1 Starboard side engine 2 Port side engine 3 Red cable 4 Black cable 5 Isolator lead with circuit protection 6 Fuse 7 Battery for starting 8 Battery for accessories 9 Negative connecting cable ZMU05941 1 3 9 3 4 6 4 2 5 7 8 7 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 109: ... a short circuit and damage to the electrical system ECM01940 3 Disconnect the positive cable s and re move the battery from the boat 4 Clean maintain and store the battery according to the manufacturer s instruc tions 1 Starboard side engine 2 Center engine 3 Port side engine 4 Red cable 5 Black cable 6 Isolator lead with circuit protection 7 Fuse 8 Battery for starting 9 Battery for accessories ...

Страница 110: ...ealer 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 61 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spark plug s fouled ...

Страница 111: ...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 cable disconnected...

Страница 112: ...lean or replace with recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or other obstructions in fuel system Q Is fuel filter clogged A Clean or replace filter Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is spark plug gap incorrect A Ins...

Страница 113: ...sly damaged by a collision while operating or trailering Damage could make the out board motor unsafe to operate If the outboard motor hits an object in the wa ter follow the procedure below 1 Stop the engine immediately 2 Inspect the control system and all com ponents for damage Also inspect the boat for damage 3 Whether damage is found or not return to the nearest harbor slowly and careful ly 4 ...

Страница 114: ...e of wire could allow excessive current flow This could cause electric system damage and a fire hazard Consult your Yamaha dealer if the new fuse immediately blows again 1 Electrical cover 2 Fuse puller 3 Spare fuse 10 A 15 A 20 A 30 A 60 A 1 Fuel feed pump fuse 10 A 2 Ignition coil Fuel injector Variable camshaft timing Engine ECM Electronic control mod ule fuse 30 A 3 Fuel pump fuse 15 A 4 Start...

Страница 115: ...of ignition This procedure will allow some fuel to spill Catch fuel in a rag Wipe up any spilled fuel immediately The fuel filter must be reassembled carefully with the O ring filter cup and hoses in place Improper assembly or replacement could result in a fuel leak which could result in a fire or explosion hazard If the water separator alert indicator on the Command Link tachometer blinks perform...

Страница 116: ... detection switch lead when unscrewing the filter cup ECM01960 8 Drain the water in the filter cup by soak ing it up with a rag 9 Firmly screw the filter cup onto the filter housing NOTICE Be careful not to twist the water detection switch lead when screwing the filter cup onto the filter housing ECM01970 10 Install the cover and tighten the bolts 1 Water detection switch lead ZMU05892 ZMU05894 1 ...

Страница 117: ...s off Have a Yamaha dealer inspect the outboard motor after returning to port EMU33501 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 until it has been com pletely inspected ECM00401 Bolt tightening torque 8 0 Nm 0 8 kgf m 5 8 ft lb 1 Water...

Страница 118: ...112 Consumer information EMU29811 Important warranty information for U S A and Canada 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 119: ...Consumer information 113 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 120: ...Consumer information 114 EMU29830 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 121: ...Consumer information 115 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 122: ...Consumer information 116 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 123: ...6AW 9 14 Hyoshi 08 3 26 13 40 ページ 3 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Страница 124: ...Printed in Japan April 2008 0 1 1 Printed on recycled paper 6AW 9 14 Hyoshi 08 3 26 13 40 ページ 4 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

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