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Maintenance

41

EMU28222

Transporting and storing 

outboard motor

WARNING

EWM00690

Leaking fuel is a fire hazard. When trans-
porting and storing the outboard motor,
close the air vent screw and fuel cock to
prevent fuel from leaking.

USE CARE when transporting fuel tank,
whether in a boat or car.

DO NOT fill fuel container to maximum
capacity. Gasoline will expand consider-
ably as it warms up and can build up
pressure in the fuel container. This can
cause fuel leakage and a potential fire
hazard.

WARNING

EWM00700

Never get under the lower unit while it is
tilted, even if a motor support bar is used.
Severe injury could occur if the outboard
motor accidentally falls.

CAUTION:

ECM00660

Do not use the tilt support lever or knob
when trailering the boat. The outboard mo-
tor could shake loose from the tilt support
and fall. If the motor cannot be trailered in
the normal running position, use an addi-
tional support device to secure it in the tilt
position.

The outboard motor should be trailered and
stored in the normal running position. If there
is insufficient road clearance in this position,
then trailer the outboard motor in the tilt posi-
tion using a motor support device such as a
transom saver bar. Consult your Yamaha
dealer for further details.

EMU30061

Storing outboard motor

When storing your Yamaha outboard motor
for prolonged periods of time (2 months or
longer), several important procedures must
be performed to prevent excessive damage. It
is advisable to have your outboard motor ser-
viced by an authorized Yamaha dealer prior to
storage. However, you, the owner, with a min-
imum of tools, can perform the following pro-
cedures.

CAUTION:

ECM01360

To prevent problems which can be
caused by oil entering the cylinder from
the sump, keep the outboard motor in
the attitude shown when transporting
and storing it. Do not store or transport
the outboard motor on its side (not up-
right).

Do not place the outboard motor on its
side before the cooling water has
drained from it completely, otherwise
water may enter the cylinder through the
exhaust port and cause engine trouble.

Store the outboard motor in a dry, well-
ventilated place, not in direct sunlight.

U63P12E0.book  Page 41  Friday, March 12, 2004  10:29 AM

Summary of Contents for F150D

Page 1: ...F150D ...

Page 2: ...ZMU01690 ...

Page 3: ...motor CAUTION ECM00700 A CAUTION indicates special precautions that must be taken to avoid damage to the outboard motor NOTE A NOTE provides key information to make procedures easier or clearer Yamaha continually seeks advancements in product design and quality Therefore while this manual contains the most current product information available at the time of printing there may be minor discrepanci...

Page 4: ...le 15 Power trim and tilt switch on bottom engine cowling 15 Power trim and tilt switches twin binnacle type 16 Trim tab with anode 16 Tilt support lever for power trim and tilt or hydro tilt model 17 Top cowling lock lever pull up type 17 Flushing device 17 Digital tachometer 17 Low oil pressure warning indicator 18 Overheat warning indicator digital type 18 Speedometer digital type 18 Trim meter...

Page 5: ...r 44 Checking painted surface of motor 45 Periodic maintenance 45 Replacement parts 45 Maintenance chart 46 Maintenance chart additional 47 Greasing 48 Cleaning and adjusting spark plug 48 Checking fuel system 49 Inspecting fuel filter 50 Cleaning fuel filter 50 Inspecting idling speed 51 Changing engine oil 52 Checking wiring and connectors 53 Exhaust leakage 53 Water leakage 53 Engine oil leakag...

Page 6: ...Table of contents YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY 69 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U S A OR CANADA 71 ...

Page 7: ...r If a main key switch is equipped with the mo tor the key identification number is stamped on your key as shown in the illustration Record this number in the space provided for reference in case you need a new key EMU25220 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 aff...

Page 8: ... Resources Board s 2001 ex haust emission standards Engines meeting these standards have 75 lower emissions than conventional carbureted two stroke en gines 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 exhaust emission standards Engines meeting the...

Page 9: ... drugs About 50 of all boating fatalities involve intoxication Have an approved personal flotation device PFD on board for every occupant It is a good idea to wear a PFD whenever boat ing At a minimum children and non swim mers should always wear PFDs and everyone should wear PFDs when there are potentially hazardous boating condi tions Gasoline is highly flammable and its va pors are flammable an...

Page 10: ...rs 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 National Marine Manufacturers Associa tion NMMA 401 N Michigan Ave Chicago Il 60611 Marine Retailers Association of America 155 N Michigan Ave Chicago Il 60601 EMU25380 Important labels EMU25395 Warning labels EMU25401 Label WARNING EWM01260 Be s...

Page 11: ...has the duty to take positive and timely action to stay out of the way of the Stand On vessel Normally you should not cross in front of the vessel with the right of way You should slow down or change directions briefly and pass behind the other vessel You should al ways move in such a way that the operator of the other vessel can see what you are doing The general prudential rule This rule is call...

Page 12: ...e passing another vessel you are the Give Way vessel This means that the other vessel is expected to maintain its course and speed You must stay out of its way until you are clear of it Likewise if another vessel is passing you you should maintain your speed and direction so that the other vessel can steer itself around you EMU25530 Other special situations There are three other rules you should b...

Page 13: ...s and markers have an arrangement of shapes colors num bers and lights to show which side of the buoy a boater should pass on when navigating in a particular direction The markings on these buoys are oriented from the perspective of be ing entered from seaward the boater is going towards the port This means that red buoys are passed on the starboard right side when proceeding from open water into ...

Page 14: ...0010 GASOLINE AND ITS VAPORS ARE HIGH LY FLAMMABLE AND EXPLOSIVE Do not smoke when refueling and keep away from sparks flames or other sources of ignition Stop engine before refueling Refuel in a well ventilated area Refuel portable fuel tanks off the boat ZMU01708 ...

Page 15: ...ine or premium unleaded fuel Gasohol There are two types of gasohol gasohol con taining ethanol and that containing methanol Gasohol containing ethanol can be used if ethanol content does not exceed 10 and the fuel meets minimum octane ratings Yamaha does not recommended gasohol containing methanol because it can cause fuel system damage or engine performance problems EMU25680 Engine oil CAUTION E...

Page 16: ... to be main tained Conversely a larger pitch propeller is more suitable for a smaller operating load Yamaha dealers stock a range of propellers and can advise you and install a propeller on your outboard that is best suited to your appli cation NOTE Select a propeller which will allow the engine to reach the middle or upper half of the oper ating range at full throttle with the maximum boat load I...

Page 17: ...switches are mounted on the remote control box 1 Top cowling 2 Top cowling lock lever s 3 Anti cavitation plate 4 Trim tab anode 5 Propeller 6 Cooling water inlet 7 Clamp bracket 8 Flushing device 9 Power trim and tilt switch 10 Remote control box side mount type 11 Remote control box binnacle mount type 12 Switch panel for use with binnacle type 13 Digital speedometer 14 Digital tachometer 15 Fue...

Page 18: ...al throttle lever To open the throttle without shifting into either forward or reverse put the remote control le ver in the neutral position and lift the neutral throttle lever 2 Remote control lever 3 Neutral interlock trigger 4 Neutral throttle lever 5 Main switch choke switch 6 Engine stop lanyard switch 7 Throttle friction adjuster 1 Remote control lever 2 Power trim and tilt switch 3 Free acc...

Page 19: ...r using the free accelerator return the remote control lever to the neutral position The free accelerator button will return auto matically to its set position The remote con trol will then engage forward and reverse normally EMU25970 Throttle friction adjuster A friction device provides adjustable resis tance to movement of the throttle grip or the remote control lever and can be set accord ing t...

Page 20: ...lanyard to clothing that could tear loose Do not route the lanyard where it could become entan gled preventing it from functioning Avoid accidentally pulling the lanyard during normal operation Loss of engine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward NOTE The engine cannot...

Page 21: ...e power trim and tilt switch see pages 33 and 35 EMU26151 Power trim and tilt switch on bottom engine cowling The power trim and tilt switch is located on the side of the bottom engine cowling Pressing the switch up trims the outboard motor up then tilts it up Pressing the switch down tilts the outboard motor down and trims it down When the switch is released the outboard motor will stop in its cu...

Page 22: ...with anode The trim tab should be adjusted so that the steering control can be turned to either the right or left by applying the same amount of force WARNING EWM00840 An improperly adjusted trim tab could cause difficult steering Always test run af ter the trim tab has been installed or re placed to be sure steering is correct Be sure you have tightened the bolt after ad justing the trim tab If t...

Page 23: ... to be sure it fits properly in the rubber seal Then lock the cowling by moving the lever s downward EMU26460 Flushing device This device is used to clean the cooling water passages of the motor using a garden hose and tap water NOTE For details on usage see page 44 EMU26491 Digital tachometer The tachometer shows the engine speed and has the following functions NOTE All segments of the display wi...

Page 24: ... engine oil level Use the oil dipstick to check the remain ing oil quantity For further information see page 28 EMU26581 Overheat warning indicator digital type If the engine temperature rises too high the warning indicator will start to blink For further information on reading the indicator see page 24 CAUTION ECM00050 Do not continue to run the engine if the overheat warning indicator is on Seri...

Page 25: ...ws the trim angle of your out board motor NOTE Memorize the trim angles that work best for your boat under different conditions Adjust the trim angle to the desired using the pow er trim and tilt switch If the trim angle of your motor exceeds the trim operating range the top segment on the trim meter display will blink EMU26650 Hour meter digital type This meter shows the number of hours the en gi...

Page 26: ... kept in memory by bat tery power The stored data will be lost if the battery is disconnected EMU26700 Clock Press the mode button repeatedly until the indicator on the face of the gauge points to time To set the clock be sure the gauge is in the time mode Press the set button the hour display will begin blinking Press the mode button until the desired hour is displayed Press the set button again ...

Page 27: ...ng indicator If battery voltage drops the display will auto matically turn on and begin to blink CAUTION ECM00870 Get back to the port soon if a warning de vice has activated For charging the bat tery consult your Yamaha dealer EMU26740 Fuel management meter The fuel management meter shows the state of the fuel consumption while the engine is running NOTE After the main switch is first turned on a...

Page 28: ...fuel flow of both engines for port and starboard will also be displayed to indicate both the port and starboard engines NOTE The fuel flow meter displays gallons hour or liters hour according to operator prefer ence Select the desired unit of measure ment by setting the selector switch on the back of the gauge during installation The fuel consumption meter and fuel econ omy meter will indicate the...

Page 29: ...use of water currents sea swells and the condition of the water speed sensor partially plugged or dam aged Individual engines may slightly vary in their fuel consumption due to manufacturing variations These variations can be even greater if the engines are of different year models In addition variations in propellers even of the same basic dimensions of the same design can also cause a slight var...

Page 30: ...Do not continue to operate the engine if a warning device has activated Consult your Yamaha dealer if the problem cannot be located and corrected EMU26822 Overheat warning twin engines This engine has an overheat warning device If the engine temperature rises too high the warning device will activate Activation of warning device The engine speed will automatically de crease to about 2000 r min If ...

Page 31: ...the warning device will activate Activation of warning device The engine speed will automatically de crease to about 2000 r min The low oil pressure warning indicator will light The buzzer will sound If the warning system has activated stop the engine as soon as it is safe to do so Check the oil level and add oil as needed If the oil level is correct and the warning device does not switch off cons...

Page 32: ...at does not have a capacity plate consult the boat manufacturer The information presented in this sec tion is intended as reference only It is not possible to provide complete in structions for every possible boat and motor combination Proper mounting depends in part on experience and the specific boat and motor combination WARNING EWM00830 Improper mounting of the outboard motor could result in h...

Page 33: ...g height Consult your Yamaha dealer or boat manufacturer for further information on determining the prop er mounting height For instructions on setting the trim angle of the outboard motor see page 33 EMU30172 Breaking in engine Your new engine requires a period of break in to allow mating surfaces of moving parts to wear in evenly Correct break in will help en sure proper performance and longer e...

Page 34: ...l free play Look for loose or damaged connections Check operation of the starter and stop switches when the outboard motor is in the water EMU27150 Engine Check the engine and engine mounting Look for loose or damaged fasteners Check the propeller for damage Check that the battery is in good condition and the battery connections are secure EMU27163 Checking the engine oil level 1 Put the outboard ...

Page 35: ...he engine nota bly the critical piston ring land area and fuel system components Follow product labeling for use instructions EMU27450 Operating engine EMU27480 Feeding fuel WARNING EWM00420 Before starting the engine make sure that the boat is tightly moored and that you can steer clear of any obstructions Be sure there are no swimmers in the water near you When the air vent screw is loosened gas...

Page 36: ...h the lanyard to clothing that could tear loose Do not route the lanyard where it could become entan gled preventing it from functioning Avoid accidentally pulling the lanyard during normal operation Loss of engine power means the loss of most steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward 3 Turn the main ...

Page 37: ...ow it to idle for 3 minutes to warm up Failure to do so will shorten engine life 2 Be sure the low oil pressure warning indi cator goes off after starting the engine 3 Check for a steady flow of water from the cooling water pilot hole CAUTION ECM01340 If the low oil pressure warning indicator does not go off after the engine starts stop the engine Otherwise serious en gine damage could occur Check...

Page 38: ...mote control models Tiller control models 1 Place the throttle grip in the fully closed position 2 Move the gear shift lever quickly and firm ly from neutral to forward Remote control models Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from neutral to forward EMU27784 Reverse automatic reverse lock and power trim and tilt models WARNING EWM...

Page 39: ...close the fuel cock if there is a fuel joint or a fuel cock on the boat 3 Tighten the air vent screw on the fuel tank cap if equipped 4 Remove the key if the boat will be left un attended NOTE The engine can also be stopped by pulling the lanyard and removing the clip from the engine stop switch then turning the main switch to off EMU27861 Trimming outboard motor The trim angle of the outboard mot...

Page 40: ...acket Use caution when trying a trim position for the first time Increase speed gradu ally and watch for any signs of instability or control problems Improper trim an gle can cause loss of control Use the power tilt switch located on the bottom engine cowling if equipped only when the boat is at a complete stop with the engine off Adjust the outboard motor trim angle using the power trim and tilt ...

Page 41: ...ay porpoise hop in the water which could throw the op erator and passengers overboard Bow Down Too much trim in causes the boat to plow through the water decreasing fuel economy and making it hard to increase speed Operat ing with excessive trim in at higher speeds also makes the boat unstable Resistance at the bow is greatly increased heightening the danger of bow steering and making opera tion d...

Page 42: ...he outboard mo tor while the engine is running Severe damage from overheating can result Do not tilt up the engine by pushing the tiller handle if equipped because this could break the handle EMU28005 Procedure for tilting up Power trim and tilt models power tilt models 1 Place the remote control lever the gear shift lever in neutral 2 Disconnect the fuel line from the out board motor or close the...

Page 43: ...wer trim and tilt switch down to retract the trim rods CAUTION ECM00250 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 EMU28052 Procedure for tilting down Power trim and tilt models power tilt models 1 Push the power tilt power trim and tilt switch up until the outboard motor is...

Page 44: ...ising Return the outboard motor to its normal position as soon as the boat is back in deeper water CAUTION ECM00260 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 EMU28184 Procedure for power trim and tilt power tilt models 1...

Page 45: ...uising in salt water After operating in salt water wash out the cooling water passages with fresh water to prevent them from becoming clogged with salt deposits NOTE For cooling system flushing instructions see page 41 Cruising in turbid water Yamaha strongly recommends that you use the optional chromium plated water pump kit if you use the outboard motor in turbid mud dy water conditions ...

Page 46: ...Valve clearance cold engine EX 0 31 0 37 mm 0 0122 0 0146 in Min cold cranking amps CCA SAE 512 0 A Min marine cranking amps MCA ABYC 675 0 A Min reserve capacity RC SAE 182 minutes Alternator output for battery DC 35 0 A Drive unit Gear positions Forward neutral reverse Gear ratio 2 00 28 14 Trim and tilt system Power trim and tilt Propeller mark F150TR M LF150TR ML Fuel and oil Recommended fuel ...

Page 47: ...ld be trailered and stored in the normal running position If there is insufficient road clearance in this position then trailer the outboard motor in the tilt posi tion using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details EMU30061 Storing outboard motor When storing your Yamaha outboard motor for prolonged periods of time 2 months or longer severa...

Page 48: ...oid running the outboard motor at high speed while on the flushing attachment otherwise overheating could occur 5 Cooling system flushing is essential to prevent the cooling system from clogging up with salt sand or dirt In addition fog ging lubricating of the engine is mandato ry to prevent excessive engine damage due to rust Perform the flushing and fog ging at the same time WARNING EWM00090 Do ...

Page 49: ...00 3 Wax the cowling with a non abrasive wax such as Yamaha Silicone Wax Part No ACC 11000 15 02 EMU28430 Battery care WARNING EWM00330 Battery electrolytic fluid is dangerous it contains sulfuric acid and therefore is poi sonous and highly caustic Always follow these preventive measures Avoid bodily contact with electrolytic fluid as it can cause severe burns or per manent eye injury Wear protect...

Page 50: ... water tap and let the water flush through the cool ing passages for about 15 minutes Turn off the water and disconnect the garden hose 4 When flushing is complete reinstall the garden hose connector on the fitting on the bottom cowling Tighten the connec tor securely CAUTION ECM00540 Do not leave the garden hose connector loose on the bottom cowling fitting or let the hose hang free during normal...

Page 51: ... of the emission control devices and systems may be performed by any marine engine repair establishment or individual All war ranty repairs however including those to the emission control system must be per formed by an authorized Yamaha marine dealership A service manual is available for purchase through your Yamaha dealer for owners who have the mechanical skills tools and other equipment necess...

Page 52: ... symbol indicates work to be carried out by your Yamaha dealer Item Actions Initial Every 10 hours 1 month 50 hours 3 months 100 hours 6 months 200 hours 1 year Anode s external Inspection replace ment Anode s internal Inspection replace ment Battery Inspection charging Cooling water passag es Cleaning Cowling clamp Inspection Fuel filter can be dis assembled Inspection cleaning Fuel system Inspec...

Page 53: ...ng valve clearance may be required more fre quently than every 500 hours Engine oil Inspection change Oil filter cartridge Change Spark plug s Cleaning adjustment replacement Timing belt Inspection replace ment Item Actions Every 500 hours 2 5 years 1000 hours 5 years Timing belt Replacement Valve clearance DOHC Inspection adjustment Item Actions Initial Every 10 hours 1 month 50 hours 3 months 10...

Page 54: ...ld lead to explosion or fire The spark plug is an important engine compo nent and is easy to inspect The condition of the spark plug can indicate something about the condition of the engine For example 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 di agnose any problems yourself Instead take the outb...

Page 55: ...e is 1 4 to 1 2 a turn past finger tight Have the spark plug adjusted to the cor rect torque as soon as possible with a torque wrench EMU28962 Checking fuel system WARNING EWM00060 Gasoline and its vapors are highly flam mable and explosive Keep away from sparks cigarettes flames or other sourc es of ignition WARNING EWM00910 Leaking fuel can result in fire or explosion Check for fuel leakage regu...

Page 56: ...ocedure 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 EMU29961 Cleaning fuel filter 1 Loosen the filter cup ring nut 2 Remove the filter cup catching any spi...

Page 57: ... result in an accident CAUTION ECM00490 This procedure must be performed while the outboard motor is in the water A flush ing attachment or test tank can be used A diagnostic tachometer should be used for this procedure Results may vary depending on whether testing is conducted with the flushing attachment in a test tank or with the outboard motor in the water 1 Start the engine and allow it to wa...

Page 58: ...e oil after the first 10 hours of operation and every 100 hours or at 6 month intervals thereafter Otherwise the engine will wear quickly NOTE Change the engine oil when the oil is still warm 1 Put the outboard motor in an upright po sition not tilted 2 Prepare a suitable container that holds a larger amount than the engine oil capaci ty Loosen and remove the drain screw while holding the containe...

Page 59: ...he lower mark or drain to the specified level if it is above the upper mark 7 Dispose of used oil according to local regulations NOTE 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 EMU29111 Checking wiring and connectors Check that each grounding wire is properly secu...

Page 60: ...briefly so the motor is supported 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 extended Unlock the tilt support lever 8 Tilt the outboard motor down Check that the tilt rod and trim rods ...

Page 61: ...r damage Check for fish line tangled around the pro peller shaft Check the propeller shaft oil seal for dam age NOTE If the shear pin equipped it is designed to break if the propeller hits a hard underwater obstacle to help protect the propeller and drive mechanism The propeller will then spin freely on the shaft If this happens the shear pin must be replaced EMU29193 Removing the propeller 1 Stra...

Page 62: ...st washer and propeller on the propeller shaft 3 Install the spacer and washer Tighten the propeller nut to the specified torque 4 Align the propeller nut with the propeller shaft hole Insert a new cotter pin in the hole and bend the cotter pin ends NOTE If the propeller nut does not align with the pro peller shaft hole after tightening to the speci fied torque tighten the nut further to align it ...

Page 63: ...il begins to flow out of the oil level plug hole insert and tighten the oil level plug 7 Insert and tighten the gear oil drain screw EMU29312 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 CAUTI...

Page 64: ...eaten egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always fol low these preventive measures Charge batteries in a well ventilated ar ea Keep batteries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTRO...

Page 65: ...y Reversal of the battery cables will dam age the electrical parts Connect the red battery cable first when installing the battery and disconnect the black battery cable first when removing it Otherwise the electrical parts can be damaged The electrical contacts of the battery and cables must be clean and properly connected or the battery will not start the engine Connect the RED battery cable to ...

Page 66: ...dealer EMU29400 Coating the boat bottom A clean hull improves boat performance The boat bottom should be kept as clean of marine growth as possible If necessary the boat bot tom can be coated with an anti fouling paint approved for your area to inhibit marine growth Do not use anti fouling paint which includes copper or graphite These paints can cause more rapid engine corrosion 1 Battery for star...

Page 67: ...ed by a Yamaha dealer 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 29 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spar...

Page 68: ...Yamaha dealer Q Is air vent screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by a Yamaha dealer Q Is battery ca...

Page 69: ...ect spark plug s Clean or replace with recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or oth er 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 ...

Page 70: ...ly dam aged 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 compo nents 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 ...

Page 71: ... new fuse immediately blows again EMU29520 Power trim and tilt will not operate If the engine cannot be tilted up or down with the power trim and tilt the power tilt because of a discharged battery or a failure with the power trim and tilt unit the power tilt the en gine can be tilted manually 1 Loosen the manual valve screw by turn ing it counterclockwise until it stops 1 Electrical cover 2 Fuse ...

Page 72: ...minimize engine dam age EMU29970 Procedure 1 Thoroughly wash away mud salt sea weed and so on with fresh water 2 Remove the spark plugs and face the spark plug holes downward to allow any water mud or contaminants to drain 3 Drain the fuel from the vapor separator fuel filter and fuel line 4 Spray Fogging Oil or supply engine oil through the intake manifold and spark plug holes while rotating the ...

Page 73: ...Consumer information 67 EMU29811 Important warranty information for U S A and Canada ...

Page 74: ...Consumer information 68 ...

Page 75: ...Consumer information 69 EMU29830 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY ...

Page 76: ...Consumer information 70 ...

Page 77: ...Consumer information 71 EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U S A OR CANADA ...

Page 78: ......

Page 79: ...pliquée à l acheteur au détail OUTBOARD MOTOR MODEL AND SERIAL NUMBER From I D label on clamp bracket MODÉLE ET NO DE SÉRIE DU MOTEUR HORS BORD sur l étiquette d identification de la presse de fixation For Dealer Use Only A l usage du concessionnaire YAMAHA DEALER NUMBER NO DU CONCESSIONNAIRE YAMAHA DEALER NAME NOM DU CONCESSIONNAIRE DATE SOLD DATE DE LIVRAISON OWNER S NAME NOM DU PROPRIÉTAIRE ADD...

Page 80: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT ...

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