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1-13

EMU01769

ENGINE OIL

Recommended engine oil:
4-stroke motor oil with a combination of cor-
responding SAE and API as shown in the
chart.

CAUTION:

All 4-stroke engines are shipped from the
factory without engine oil.

Engine oil quantity:
See Chapter 4, “Specifications.”

U68T15.book Page 13 Thursday, March 20, 2003 11:28 AM

Содержание F6C

Страница 1: ...F6C ...

Страница 2: ......

Страница 3: ...A CAUTION indicates special precau tions 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 prod uct information available at the time of print ing there may be minor discrepancies between your mach...

Страница 4: ...E EMU00003 CONTENTS READ THIS OWNER S MANUAL CAREFULLY BEFORE OPERATING YOUR OUTBOARD MOTOR GENERAL INFORMATION 1 BASIC COMPONENTS 2 OPERATION 3 MAINTENANCE 4 TROUBLE RECOVERY 5 INDEX 6 ...

Страница 5: ...ar labels 1 3 SAFETY INFORMATION 1 4 IMPORTANT LABELS 1 6 Warning labels 1 6 Caution labels 1 6 BASIC BOATING RULES Rules of the road 1 7 Steering and sailing rules and sound signals 1 7 Rules when encountering vessels 1 8 Other special situations 1 9 FUELING INSTRUCTIONS 1 11 Gasoline 1 12 ENGINE OIL 1 13 BATTERY REQUIREMENT 1 14 PROPELLER SELECTION 1 15 START IN GEAR PROTECTION 1 16 ...

Страница 6: ...number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is stolen 1 Outboard motor serial number EMU00008 KEY NUMBER If a main key switch is equipped with the motor the key identification number is stamped on your key as shown in the illus tration Record this number in the space provided for reference in case you need...

Страница 7: ... regulations for marine SI engines See the label affixed to your engine for details Approval label of Emission control certif icate This label is attached to the bottom cowling 1 Emission control information label New Technology 4 stroke HPDI EM Manufactured date label This label is attached to the clamp bracket 2 Manufactured date label ...

Страница 8: ...ntional carbureted two stroke engines These engines are equiva lent to the U S EPA s 2006 standards for marine engines Two Stars Very Low Emission The two star label identifies engines that meet the Air Resources Board s 2004 exhaust emission standards Engines meet ing these standards have 20 lower emis sions than One Star Low Emission engines Three Stars Ultra Low Emission The three star label id...

Страница 9: ...lly Make sure there are no gas fumes or leaking fuel before starting the engine This product emits exhaust gases which contain carbon monoxide a colorless odorless gas which may cause brain damage or death when inhaled Symp toms include nausea dizziness and drowsiness Keep cockpit and cabin areas well ventilated Avoid blocking exhaust outlets Check throttle shift and steering for proper operation ...

Страница 10: ...organizations includ ing the following United States Coast Guard Consumer Affairs Staff G BC Office of Boating Public and Consumer Affairs 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 ...

Страница 11: ...1 6 E EMU00014 IMPORTANT LABELS WARNING LABELS 1 2 CAUTION LABELS 3 ...

Страница 12: ...dened ves sel These rules determine which vessel has the right of way and what each vessel should do Stand on vessel The vessel with the right of way has the duty to continue its course and speed except to avoid an immediate collision When you maintain your direction and speed the other vessel will be able to determine how best to avoid you Give way vessel The vessel which does not have the right ...

Страница 13: ...her power vessel head on and are close enough to run the risk of collision neither of you has the right of way Both of you should alter course to avoid an accident You should keep the other vessel on your port left side This rule doesn t apply if both of you will clear one another if you continue on your set course and speed Crossing When two power driven vessels are crossing each other s path clo...

Страница 14: ... vessel right of way Sailing vessels should normally be given the right of way The exceptions to this are 1 When the sailing vessel is overtaking the power driven vessel the power driven vessel has the right of way 2 Sailing vessels should keep clear of any fishing vessel 3 In a narrow channel a sailing vessel should not hamper the safe passage of a power driven vessel which can navi gate only in ...

Страница 15: ...1 10 E Remember markings may vary by geo graphic location Always consult local boat ing authorities before driving your boat in unfamiliar waters ...

Страница 16: ...ately with dry rags Do not overfill the fuel tank Tighten the filler cap securely after re fueling If you should swallow some gasoline inhale a lot of gasoline vapor or get gasoline in your eyes get immediate medical attention If any gasoline spills onto your skin immediately wash with soap and water Change clothing if gasoline spills on it Touch the fuel nozzle to the filler open ing or funnel to...

Страница 17: ...ol and that containing meth anol Gasohol containing ethanol can be used if ethanol content does not exceed 10 and the fuel meets minimum octane ratings Gasohol containing methanol is not recommended by Yamaha because it can cause fuel system damage or engine perfor mance problems Recommended gasoline Regular unleaded gasoline with a minimum octane rating of 86 Pump Octane Number R M 2 ...

Страница 18: ...mended engine oil 4 stroke motor oil with a combination of cor responding SAE and API as shown in the chart CAUTION All 4 stroke engines are shipped from the factory without engine oil Engine oil quantity See Chapter 4 Specifications ...

Страница 19: ...e a battery which meets the following specifications EMU01859 EMU01783 CAUTION A battery cannot be connected to models that do not have a rectifier or Rectifier Regulator Models without a rectifier or Rectifier Regulator F6MHC F8MHC If you wish to use a battery with the above models install an optional Rec tifier Regulator Minimum cold cranking amps CCA SAE 245 amps at 18 C 0 4 F Minimum marine cr...

Страница 20: ...te For a greater operat ing load a smaller pitch propeller is more suitable as it enables the correct engine speed to be maintained 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 application NOTE At full throttle and under a maximum b...

Страница 21: ...PROPEL LER for instructions on propeller removal and installation EMU01209 START IN GEAR PROTECTION Yamaha outboard motors or Yamaha approved remote control units are equipped with start in gear protection device s This feature permits the engine to be started only when it is Neutral Always select Neutral before starting the engine ...

Страница 22: ...1 17 E MEMO ...

Страница 23: ...control model 2 4 Multifunction tiller handle 2 4 Remote control 2 8 Steering friction adjusting lever 2 13 Trim angle adjusting rod 2 13 Power trim tilt switch 2 14 Tilt lock mechanism for manual tilt model 2 14 Tilt support knob 2 15 Tilt support bar 2 15 Power tilt unit 2 15 Top cowling lock lever 2 16 Flushing device 2 16 Warning indicator s 2 16 WARNING SYSTEM 2 17 Low oil pressure warning 2 ...

Страница 24: ...ting rod 8 Clamp bracket 9 Recoil starter handle 0 Warning indicator A Engine stop lanyard switch Engine stop button B Gear shift lever C Tiller handle D Steering friction adjusting lever E Tilt lock lever F Clamp screw G Rope attachment H Flushing device I Choke knob May not be exactly as shown also may not be in cluded as standard equipment on all models F6 F8 ...

Страница 25: ...witch 0 Recoil starter handle A Warning indicator B Starter button C Engine stop layard switch Engine stop button D Gear shift lever E Tiller handle F Steering friction adjusting lever G Tilt lock lever H Clamp screw I Rope attachment J Flushing device K Choke knob L Remote control box May not be exactly as shown also may not be in cluded as standard equipment on all models T8 ...

Страница 26: ...ir vent screw if equipped EMU00042 Fuel Hose Joint This connector is provided for connecting or disconnecting fuel hose EMU01531 Fuel Meter This meter is on the fuel tank cap It shows the approximate amount of fuel remaining in the tank EMU00045 Fuel Tank Cap This cap is for filling fuel To remove it turn it counterclockwise EMU00046 Air Vent Screw This screw is on the fuel tank cap To loosen it t...

Страница 27: ...art the engine EMU00059 RECOIL STARTER HANDLE If equipped Pull the handle gently until resistance is felt Then vigorously pull the handle straight out to crank the engine to start it EMU00060 STARTER BUTTON for Tiller control model T8PH When you push the starter button the elec tric starter motor cranks the engine to start it ...

Страница 28: ...nyard switch Engine stop but ton If equipped 7 Main switch if equipped 8 Power tilt switch if equipped EMU00079 Tiller handle Moving the tiller handle sideways to adjust the steering direction EMU00080 Gear shift lever Turning the gear shift lever forward bow side engages the clutch with the forward gear so that the boat moves ahead Turning the lever backward stern side engages the reverse gear so...

Страница 29: ...conomy for the desired operation 1 Throttle indicator EMU01157 Throttle Friction Adjusting Knob A friction device in the tiller handle provides adjustable resistance to movement of the throttle grip and can be set according to operator preference When constant speed is desired tighten the adjusting knob to maintain the desired throt tle setting WARNING Do not overtighten the friction adjusting kno...

Страница 30: ...rd to a secure place on your clothing your arm or leg while operating Do not attach the lanyard to clothing that could tear loose Do not route the lanyard in such a way that it could become entangled 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...

Страница 31: ...eased the motor will stop in its current position NOTE Refer to the section TILTING UP DOWN for instructions on usage EMU00094 REMOTE CONTROL Both the shifter and the throttle are actuated by the remote control lever In addition this remote control also has the electrical switches 1 Remote control lever 2 Neutral interlock trigger 3 Neutral throttle lever 4 Main switch Choke switch 5 Engine stop l...

Страница 32: ...ntinue to run at idle until the lever is moved about 35 a detent can be felt Moving the lever farther opens the throttle and the engine will begin to acceler ate 1 Neutral 2 Forward 3 Reverse 4 Shift 5 Fully closed 6 Throttle 7 Fully open EMU00099 Neutral Interlock Trigger To shift out of Neutral the neutral interlock trigger of the remote control lever must first be pulled up ...

Страница 33: ... lever is in Neutral The remote control lever will operate only when the neutral throttle lever is in the closed position 1 Fully open 2 Fully closed EMU00101 Main switch The main switch controls the ignition sys tem its operation is described below OFF Electrical circuits switched off The key can be removed ON Electrical circuits switched on The key cannot be removed START Starter motor will turn...

Страница 34: ...helm the lanyard will pull out the lock plate stopping ignition to the engine This will prevent the boat from run ning away under power WARNING Attach the lanyard to a secure place on your clothing your arm or leg while operating Do not attach the lanyard to clothing that could tear loose Do not route the lanyard in such a way that it could become entangled preventing it from functioning Avoid acc...

Страница 35: ...ion TILTING UP DOWN for instructions on usage EMU01155 Throttle Friction Adjusting Screw A friction device in the remote control box provides adjustable resistance to move ment of the remote control lever and can be set according to operator preference An adjusting screw is located on the front of the remote control box WARNING Do not overtighten the friction adjusting screw If there is too much r...

Страница 36: ...Do not overtighten the friction adjusting lever If there is too much resistance it may be difficult to steer which could result in an accident Resistance Lever Increase Turn to port Decrease Turn to starboard EMU01297 TRIM ANGLE ADJUSTING ROD The position of the trim angle adjusting rod determines the minimum trim angle of the outboard motor in relation to the transom ...

Страница 37: ...acket only when the boat is at a complete stop with the engine off Attempting to use the cowl ing mounted power tilt 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 NOTE Refer to the section Tilting Up Down for instructions on usage EMU00152 TILT LOCK MECHANISM for Manual ...

Страница 38: ...EMU00156 TILT SUPPORT BAR The tilt support bar 1 keeps the outboard motor in the tilted up position EMU01348 POWER TILT UNIT This unit tilts the motor up and down and is controlled via the power tilt switch 1 Power tilt unit 2 Power tilt motor CAUTION Do not step on or exert pressure on the power tilt motor The power tilt unit could be damaged as a result ...

Страница 39: ...moving the lever down ward EMU01701 FLUSHING DEVICE This device 1 is used to clean the cooling water passages of the motor using a garden hose and tap water NOTE Refer to CLEANING COOLING WATER PASSAGES in Chapter 4 for instructions on usage EMU01128 WARNING INDICATOR S If the engine develops a condition monitored by the warning system an indicator will come on Refer to the WARNING SYSTEM section ...

Страница 40: ... If the warning system has been activated stop the engine as soon as it is safe to do so Check oil level and add oil as needed If the oil level is correct consult your Yamaha dealer CAUTION Do not continue to run the engine if the low oil pressure lamp is ON Serious engine damage may occur Activation of warning device Tiller control model Remote control model Engine speed will au tomatically decre...

Страница 41: ... ENGINE 3 15 CHECKING POINTS AFTER STARTING ENGINE 3 15 SHIFTING 3 16 Forward 3 16 Reverse 3 17 STOPPING ENGINE 3 18 TRIMMING OUTBOARD MOTOR 3 19 Adjusting trim angle 3 20 TILTING UP DOWN 3 24 Procedure for tilting up 3 25 Procedure for tilting down 3 25 Procedure for tilting up 3 26 Procedure for tilting down 3 27 CRUISING IN SHALLOW WATER 3 28 Procedure 3 29 Returning to original position 3 29 C...

Страница 42: ...irborne water spray while the boat is cruising Severe engine damage may result if the motor is operated continuously in the presence of airborne water spray NOTE During water testing check the buoyancy of the boat at rest with its maximum load Check that the static water level on the exhaust housing is low enough to prevent water entry into the powerhead when water rises due to waves when the outb...

Страница 43: ...RNING Improper mounting of the outboard motor could result in hazardous condi tions such as poor handling loss of con trol or fire hazards Observe the following For permanently mounted models your dealer or other person experi enced in proper rigging should mount the motor If you are mounting the motor yourself you should be trained by an experienced person For portable models your dealer or other...

Страница 44: ...peed will rise abnormally and cause the engine to overheat If the mounting height is too low the water resistance will increase and thereby reduce engine effi ciency Mount the engine so that the anti cavitation plate is between the bottom of the boat and a level 25 mm 1 in below it NOTE The optimum mounting height of the out board motor is affected by the boat motor combination and the desired use...

Страница 45: ...ly Occasionally check the screws for tight ness during operation 2 An engine restraint cable or chain should be used Attach one end to the engine restraint cable attachment point and the other to a secure mounting point on the boat Otherwise the engine could be completely lost if it accidentally falls off the transom Secure the clamp bracket to the transom with the bolts provided with the out boar...

Страница 46: ...ine life or even severe engine damage Break in running in time 10 hours EMU01367 Run the engine under load in gear with a propeller installed as follows 1 For the first hour of operation Run the engine at 2 000 r min or at approximately half throttle 2 For the second hour of operation Run the engine at 3 000 r min or at approximately three quarter throttle 3 For the next eight hours of operation A...

Страница 47: ... engine damage can occur EMU00206 Fuel Check to be sure you have plenty of fuel for your trip Make sure there are no fuel leaks or gas oline fumes Check fuel line connections to be sure they are tight Be sure the fuel tank is positioned on a secure flat surface and that the fuel hose is not twisted or flattened or likely to con tact sharp objects EMU00208 Oil Check the level of the oil in the sump...

Страница 48: ...ngine mounting Look for loose or damaged fasteners Check the propeller for damage EMU01436 CHECKING THE ENGINE OIL LEVEL 1 Put the outboard motor in an upright position not tilted 2 Pull out the oil dipstick and wipe it clean 3 Completely re insert the dipstick and pull out it again 4 Check the oil level using the dipstick to be sure the level falls between the upper and lower marks Fill with oil ...

Страница 49: ... fuels As gasoline has changed the amount of additives such as aromatics and oxygenates has increased These additives are impor tant for the engines in passenger cars but they can have detrimental effects in marine engines because of increased deposits in the combustion chamber When enough deposits collect piston rings begin sticking Performance drops and engine wear increases dramatically While m...

Страница 50: ...uct emits exhaust gases which contain carbon monoxide a col orless odorless gas which may cause brain damage or death when inhaled Symptoms include nausea dizziness and drowsiness Keep cockpit and cabin areas well ventilated Avoid blocking exhaust outlets 1 If there is an air vent screw on the fuel tank cap loosen it 2 or 3 turns 2 If there is a fuel joint on the motor firmly connect the fuel line...

Страница 51: ...op switch WARNING Attach the engine stop switch lanyard to a secure place on your clothing your arm or leg while operating Do not attach 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...

Страница 52: ...l straight out to crank and start the engine Repeat if necessary 9 After the engine starts return the starter handle slowly to the original position before releasing it NOTE If the engine doesn t start on the first try repeat the procedure If the engine fails to start after 4 or 5 tries open the throttle a small amount between 1 8 and 1 4 and try again If the engine still fails to start refer to T...

Страница 53: ... 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 If the engine will not start after 5 seconds of cranking release your hand from the starter button and crank the engine again after an interval of 10 seconds NOTE When starting a cold eng...

Страница 54: ...our clothing or your arm or leg Then install the lock plate on the other end of the lanyard in the engine stop switch WARNING Attach the engine stop switch lanyard to a secure place on your clothing your arm or leg while operating Do not attach the lanyard to clothing that could tear loose Do not route the lanyard where it could become entan gled preventing from functioning Avoid accidentally pull...

Страница 55: ...ch returns to its home position when you release your hand Therefore keep the switch pressed in NOTE It is not necessary to use the choke when the engine is warm Set the choke knob to the home position or the remote choke system will not oper ate 9 Turn the main switch to START and hold it for a maximum of 5 seconds 10 Immediately after the engine starts release the main switch to return it to the...

Страница 56: ...imately 30 seconds after starting Then follow the standard instructions for warming up the engine EMU01751 CHECKING POINTS AFTER STARTING ENGINE Check for a steady flow of water from the cooling water pilot hole Check that the low oil pressure warning indicator light is off Refer to WARNING SYSTEM section After the engine has warmed up check that the engine idling speed is stable CAUTION If water ...

Страница 57: ...sa close the throttle first so that the engine idles or runs at low speeds EMU00265 FORWARD Tiller control model 1 Place the throttle control grip in the fully closed position 2 Turn the gear shift lever quickly and firmly from Neutral to Forward Remote control model Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from Neutral to Forward ...

Страница 58: ...lace the throttle control grip in the fully closed position for Tiller control model 2 Check that the tilt lock lever for Manual tilt model is in the locked position Tiller control model 3 Turn the gear shift lever quickly and firmly from Neutral to Reverse Remote control model 3 Pull up the neutral interlock trigger if equipped and move the remote control lever quickly and firmly from Neutral to ...

Страница 59: ...n the main switch to OFF 2 If the fuel joints are provided disconnect the fuel line from the motor after stop ping the engine 3 Tighten the air vent screw on the fuel tank cap after stopping the engine if it is equipped 4 Remove the key if the boat will be left unattended NOTE The engine can also be stopped by pulling the lanyard and removing the lock plate from the engine stop lanyard switch then...

Страница 60: ...ine and propeller Correct trim is also affected by variables such as the load in the boat sea conditions and running speed WARNING Excessive trim for the operating condi tions either trim up or trim down can cause boat instability and can make steering the boat more difficult This increases the possibility of an accident If the boat begins to feel unstable or is hard to steer slow down and or read...

Страница 61: ...move the rod toward the transom Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions WARNING Stop the engine before adjusting the trim angle Use care to avoid being pinched when removing or installing the rod Use caution when trying a trim posi tion for the first time Increase speed gradually and watch for any signs of ins...

Страница 62: ...d clamp bracket Use caution when trying a trim posi tion for the first time Increase speed gradually and watch for any signs of instability or control problems Improper trim angle 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 1 Place the gear shift lever in the neutral position ...

Страница 63: ...im operating angle when trimming the outboard motor using the power tilt system To raise the bow trim out tilt the engine up To lower the bow trim in tilt the engine down Make test runs with the trim set to different angles to find the position that works best for your boat and operating conditions ...

Страница 64: ...t is pushing the water and there is more air drag Excessive trim out can also cause the propeller to ventilate which reduces per formance further and the boat may por poise hop in the water which could throw the operator and passengers overboard Bow Down When the bow of the boat is down it is eas ier to accelerate from a standing start onto plane Too much trim in causes the boat to plow through th...

Страница 65: ... tilt the motor while the engine is running Severe damage from over heating can result Do not tilt up the engine by pushing the steering handle as this could break the handle WARNING Be sure all people are clear of the out board motor when adjusting the tilt angle also be careful not to pinch any body parts between the drive unit and engine bracket WARNING Leaking fuel is a fire hazard Disconnect ...

Страница 66: ...in the release position 4 Hold the rear of the top cowling with one hand and fully tilt the engine up 5 The tilt support bar turns to the locked position automatically EMU00300 PROCEDURE FOR TILTING DOWN Manual tilt model 1 Place the tilt lock lever in the lock posi tion 2 Slightly tilt up the engine until the tilt support bar is released automatically 3 Tilt down the engine ...

Страница 67: ...3 26 E EMU01573 PROCEDURE FOR TILTING UP Power tilt models 1 Disconnect the fuel line or close the fuel cock 2 Push the power tilt switch UP until the outboard has tilted up completely ...

Страница 68: ... fall back down suddenly if oil in the power tilt unit should lose pressure Never operate the engine while it is supported by the tilt support knob EMU01313 PROCEDURE FOR TILTING DOWN Power tilt model 1 Push the power tilt switch UP until the engine is supported by the tilt rod 2 Pull out the tilt support knob 3 Push the power tilt switch DN Down to lower the engine to the desired posi tion ...

Страница 69: ...s being used Hitting an underwater obstacle could cause the engine to lift out of the water resulting in loss of control Do not rotate the engine 180 and operate the boat in reverse Place the gear shift in the Reverse position to operate the boat in reverse Use extra care when operating in reverse Too much reverse thrust can cause the engine to lift out of the water increasing the chance of acci d...

Страница 70: ...t bar will lock automatically support ing the engine in a partially raised position NOTE This motor has 2 positions for shallow water cruising RETURNING TO ORIGINAL POSITION 1 Place the tilt lock lever in the lock posi tion 2 Slightly tilt up the engine until the tilt support bar automatically returns to the free position 3 Then slowly lower the engine to the nor mal position ...

Страница 71: ...shallow water cruising Return the engine to its normal posi tion as soon as the boat is back in deeper water CAUTION Do not tilt up the outboard motor so that the cooling water inlet of the lower unit is above the surface of the water when set ting for and cruising in shallow water Otherwise severe damage from overheat ing can result EMU01320 PROCEDURE 1 Place the gear shift lever in the neutral p...

Страница 72: ...3 31 E 2 Slightly tilt up the engine using the power tilt switch ...

Страница 73: ...resh water to prevent them from becoming clogged up with salt deposits NOTE Refer to cooling system flushing instructions in TRANSPORTING AND STORING OUT BOARD MOTOR CRUISING IN TURBID WATER It is strongly recommended that the optional chromium plated water pump kit be installed if the outboard is to be used in turbid muddy water conditions ...

Страница 74: ...3 33 E MEMO ...

Страница 75: ...ing fuel system 4 15 Inspecting fuel filter 4 16 Inspecting idling speed 4 17 Changing engine oil 4 18 Replacing fuse 4 20 Checking wiring and connectors 4 20 Exhaust leakage 4 20 Water leakage 4 20 Checking power tilt system 4 21 Checking propeller 4 22 Changing gear oil 4 24 Cleaning fuel tank 4 26 Inspecting and replacing anode s 4 27 Checking battery for electric start models 4 28 Checking bol...

Страница 76: ...0 010 Battery Min cold cranking amps CCA SAE amps at 18 C 0 4 F Min marine cranking amps MCA ABYC amps at 0 C 32 F Min reserve capacity RC SAE minutes Alternator output V A W 12 80 Starting carburation system Choke start DRIVE UNIT Gear positions Forward Neutral Reverse Gear ratio 2 08 27 13 Trim and tilt system Manual tilt Propeller mark N FUEL AND OIL Recommended fuel Regular unleaded gasoline P...

Страница 77: ... start 0 15 0 20 0 006 0 008 0 15 0 20 0 006 0 008 0 15 0 20 0 006 0 008 0 20 0 25 0 008 0 010 0 20 0 25 0 008 0 010 0 20 0 25 0 008 0 010 245 245 323 323 52 52 12 80 12 6 12 6 Choke start Choke start Choke start Forward Neutral Reverse Forward Neutral Reverse Forward Neutral Reverse 2 08 27 13 2 92 38 13 2 92 38 13 Manual tilt Power tilt Manual tilt N R R Regular unleaded gasoline Regular unleade...

Страница 78: ...in cold cranking amps CCA SAE amps at 18 C 0 4 F 245 Min marine cranking amps MCA ABYC amps at 0 C 32 F 323 Min reserve capacity RC SAE minutes 52 Alternator output V A W 12 6 Starting carburation system Choke start DRIVE UNIT Gear positions Forward Neutral Reverse Gear ratio 2 92 38 13 Trim and tilt system Power tilt Propeller mark R FUEL AND OIL Recommended fuel Regular unleaded gasoline P O N M...

Страница 79: ...sult your Yamaha dealer WARNING 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 accidentally falls USE CARE when transporting fuel tank whether in a boat or car DO NOT fill fuel container to maximum capacity Gasoline will expand consid erably as it warms up and can build up pressure in the fuel container This can cause...

Страница 80: ...thorized Yamaha dealer prior to stor age However the following procedures can be performed by you the owner with a mini mum of tools CAUTION Keep the engine in one of the posi tions shown when storing it Other wise oil could enter the cylinder from the sump which could cause mechani cal damage or leakage Drain cooling water completely before placing the engine on its side Other wise water may ente...

Страница 81: ...ic if the fuel system is to be drained instead EMU00338 Flushing Cooling System and Fogging Engine Cooling system flushing is essential to pre vent the cooling system from clogging up with salt sand or dirt In addition fogging of the engine is mandatory to prevent expen sive engine damage due to rust Perform the flushing and fogging at the same time WARNING Do not touch or remove electrical parts ...

Страница 82: ...e water tank 3 Fill the tank with fresh water to above the level of the anti cavitation plate 4 Run the engine at a fast idle for 10 15 minutes 5 Just prior to turning off the engine quickly spray Yamaha Stor Rite Engine Fogging Oil Part No LUB STRRT 12 00 into the silencer cover When properly done the engine will smoke excessively and almost stall 6 Remove the motor from the water tank 7 Install ...

Страница 83: ... rings 3 Change the gear case oil Refer to CHANGING GEAR OIL Inspect the oil for the presence of water which indi cates a leaky seal Seal replacement should be performed by an authorized Yamaha dealership prior to use 4 Grease all grease fittings Refer to the GREASING EMU00351 Cleaning and Anti corrosion Measure 1 Wash down the exterior of the outboard with fresh water and dry off completely 2 Spr...

Страница 84: ...hen charging or using in a closed space Always wear eye protection when working near batteries KEEP OUT OF REACH OF CHILDREN Batteries vary among manufacturers There fore the following procedures may not always apply Consult your battery manufac turer s instructions 1 Disconnect and remove the battery from the boat Always disconnect the black negative lead first to prevent the risk of shorting 2 C...

Страница 85: ...h a Yamaha dealer for owners who have the mechanical skills tools and other equipment necessary to perform mainte nance not covered by this owner s manual EMU00356 REPLACEMENT PARTS If replacement parts are necessary use only genuine Yamaha parts or equivalents of the same type and of equivalent strength and materials Any part of inferior quality may malfunction and the resulting loss of control c...

Страница 86: ...tment replacement Greasing points Greasing Gear oil Change Fuel system Inspection Fuel filter disposable Inspection replacement Fuel tank Yamaha portable tank Cleaning Idling speed carburetor models Inspection adjustment Anode s Inspection replacement Cooling water passages Cleaning Propeller and cotter pin Inspection replacement Timing belt Inspection replacement Battery Inspection charging Throt...

Страница 87: ...4 12 E EMU00366 GREASING Yamaha marine grease Water resistant grease ...

Страница 88: ...ke air leak or carburetion problem in that cylinder Do not attempt to diagnose any problems your self Instead take the outboard motor to a Yamaha dealer You should periodically remove and inspect the spark plug because heat and deposits will cause the spark plug to slowly break down and erode If electrode erosion becomes excessive or if carbon and other deposits are excessive you should replace th...

Страница 89: ...lable when you are fitting a spark plug a good estimate of the correct torque is 1 4 to 1 2 a turn past finger tight Have the spark plug adjusted to the correct torque as soon as possible with a torque wrench 1 Spark plug gap 2 Spark plug I D mark NGK Spark plug torque Refer to SPECIFICATIONS page 4 1 Initial of spark plug I D mark Plug wrench size B 21 mm 13 16 in C BK 16 mm 5 8 in D 18 3 mm 23 3...

Страница 90: ...problem is found it should be repaired immediately by Yamaha dealer or other qualified mechanic Checkpoints Fuel system parts leakage Fuel hose joint leakage Fuel hose cracks or other damage Fuel connector leakage WARNING 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 repa...

Страница 91: ...parks cigarettes flames or other sources 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 O ring filter cup and hoses in place Improper assembly or replacement can result in a fuel leak which could result in a fire or explo sion hazard EMU00374 Check the fuel filter periodically The ...

Страница 92: ...with the flushing attachment in a test tank or with the outboard motor in the water 1 Start the engine and allow it to warm up fully in neutral until it is running smoothly If the outboard motor is mounted on a boat be sure the boat is tightly moored 2 Verify whether the idle speed is set to specification For idle speed specifica tions see Specifications in this chap ter NOTE Correct idling speed ...

Страница 93: ...n an upright position not tilted when checking and changing the engine oil If the oil level is above the upper level mark drain until the level meets the specified capacity Overfilling the oil may cause leakage or damage 1 Put the outboard motor in an upright position 2 Prepare a suitable container which can hold a larger amount than the engine oil capacity Loosen and remove the drain bolt 1 while...

Страница 94: ...lamp does not turn off or if there are oil leaks stop the engine and find the cause Continued operation with a prob lem could cause severe engine damage If the problem cannot be found and cor rected consult your Yamaha dealer 6 Turn off the engine and wait 3 minutes Recheck the oil level using the dipstick to be sure the level falls between the upper and lower marks Fill with oil if it is below th...

Страница 95: ...OTE If the new fuse blows again immediately consult a Yamaha dealer 1 Fuse box 2 Fuse 10 A 3 Spare fuse 10 A 4 Fuse puller EMU00383 CHECKING WIRING AND CONNECTORS 1 Check that each grounding wire is prop erly secured 2 Check that each connector is engaged securely EMU00384 EXHAUST LEAKAGE Start the engine and check that no exhaust leaks from the joints between the exhaust cover cylinder head and c...

Страница 96: ... unit for any sign of oil leaks 2 Operate each of the power tilt switches on remote control and engine bottom cowling if equipped to check that all switches work 3 Tilt up the motor and check that the tilt rod 1 is pushed out completely 4 Check that the tilt rod is free of corrosion or other flaws 5 Operate the motor to tilt down Check that the tilt rod operates smoothly NOTE If any operation is a...

Страница 97: ...an yard from the engine stop switch Turn off the battery cut off switch if your boat has one Do not use your hand to hold the pro peller when loosening or tightening the propeller nut Put a wood block between the cavitation plate and the propeller to prevent the propeller from turning EMU00390 Propeller Checking Point Check each of the propeller blades for wear erosion from cavitation or ventila t...

Страница 98: ...other wise the propeller could come off dur ing operation and be lost 1 Apply Yamaha Marine grease or Corro sion resistant grease to the propeller shaft 2 Install the spacer washer and propeller on the propeller shaft 3 Install the spacer washer and the pro peller nut and then tighten the nut to the specified torque 4 Align the propeller nut with the propeller shaft hole Insert a new cotter pin in...

Страница 99: ...r so that the oil drain plug is at the lowest point possible 2 Place a suitable container under the gear case 3 Remove the oil drain plug 1 NOTE The oil drain plug is magnetic Remove all metal particles from the plug before rein stalling it 4 Remove the oil level plug 2 to allow the oil to drain completely CAUTION Inspect the used oil after it has been drained If the oil is milky water is getting ...

Страница 100: ...e or pressur ized filling device inject the gear oil into the oil drain plug hole 6 When the oil begins to flow out of the oil level plug hole insert and tighten the oil level plug 7 Insert and tighten the oil drain plug Gear oil grade capacity Refer to SPECIFICATIONS page 4 1 ...

Страница 101: ... carefully Improper assembly can result in a fuel leak which could result in a fire or explosion hazard Dispose of old gasoline petrol according to local regulations 1 Empty the fuel tank into an approved container 2 Pour a small amount of suitable solvent in the tank Reinstall the cap and shake the tank Drain the solvent completely EMU00402 Cleaning the Fuel Filter 1 Remove the screws holding the...

Страница 102: ...es periodically Remove scales from the surfaces of the anodes Consult a Yamaha dealer for replacement of external anodes CAUTION Do not paint anodes as this would ren der them ineffective NOTE Inspect ground leads attached to external anodes on equipped models Consult a Yamaha dealer for inspection and replace ment of internal anodes attached to the power unit ...

Страница 103: ...dical attention Antidote INTERNAL Drink large quantities of water or milk followed by milk of magnesia beaten egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always follow these preventive measures Charge batteries in a well ventilated area Keep batteries away from fire sparks or open flames e g welding equip ment lighted ci...

Страница 104: ...charge Installing a voltmeter will help you monitor your battery If you will not use the boat for a month or more remove the battery from the boat and store it in a cool dark place Completely recharge the battery before using it 3 If the battery will be stored for longer than a month check the specific gravity of the fluid at least once a month and recharge the battery when it is low NOTE Consult ...

Страница 105: ... lead first when installing the battery and disconnect the RED lead last when removing it Otherwise the electrical system 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 lead to the POSITIVE terminal first Then connect the BLACK lead to the NEGA TIVE terminal 1 Red lead 2 Black lead 3 Bat...

Страница 106: ...ECKING BOLTS AND NUTS 1 Check that bolts securing the cylinder head and engine and the nut securing the flywheel are tightened with their specified tightening torque 2 Check the tightening torque of other bolts and nuts ...

Страница 107: ...ct the garden hose 3 4 When flushing is complete reinstall the garden hose connector 2 on the fitting 1 on the bottom cowling Tighten the connector securely CAUTION Do not leave the garden hose connector loose on the bottom cowling fitting or let the hose hang free during normal opera tion Water will leak out of the connector instead of cooling the engine which can cause serious overheating Be sur...

Страница 108: ...MOTOR EMU00412 Checking Painted Surface of Motor Check the motor for scratches nicks or flak ing paint Areas with damaged paint are more likely to corrode If necessary clean and paint the areas A touch up paint is available from a Yamaha dealer EMU00413 COATING THE BOAT BOTTOM A clean hull improves boat performance The boat bottom should be kept as clean of marine growths as possible If necessary ...

Страница 109: ...pter 5 TROUBLE RECOVERY TROUBLESHOOTING 5 1 TEMPORARY ACTION IN EMERGENCY 5 4 Impact damage 5 4 Power tilt will not operate 5 4 Starter will not operate 5 5 Engine fails to operate 5 8 Treatment of submerged motor 5 9 ...

Страница 110: ...nd repair Replace fuse with one of correct amperage 4 Starter components faulty 4 Have serviced by a Yamaha dealer 5 Shift lever in gear 5 Shift to neutral B Engine will not start Starter operates 1 Fuel tank empty 1 Fill tank with clean fresh fuel 2 Fuel contaminated or stale 2 Fill tank with clean fresh fuel 3 Fuel filter clogged 3 Clean or replace filter 4 Starting procedure incorrect 4 Read ST...

Страница 111: ... a Yamaha dealer 11 Carburetor adjustments incorrect 11 Have serviced by a Yamaha dealer 12 Fuel pump damaged 12 Have serviced by a Yamaha dealer 13 Air vent screw on the fuel tank closed 13 Open the air vent screw 14 Choke knob pulled out 14 Return to home position 15 Motor angle too high 15 Return to normal operating position 16 Carburetor clogged 16 Have serviced by a Yamaha dealer 17 Fuel join...

Страница 112: ...ect and adjust as specified 13 Poor connections or damaged ignition wiring 13 Check wires for wear or breaks Tighten all loose connections Replace worn or broken wires 14 Failed ignition parts 14 Have serviced by a Yamaha dealer 15 Specified engine oil not used 15 Check and replace oil with specified type 16 Thermostat faulty or clogged 16 Have serviced by a Yamaha dealer 17 Air vent screw closed ...

Страница 113: ...amage Also inspect the boat for damage 3 Whether damage is found or not return to the nearest harbor slowly and care fully 4 Have a Yamaha dealer inspect the out board motor before operating it again EMU01321 POWER TILT WILL NOT OPERATE If the engine cannot be tilted up or down with the power tilt because of a discharged battery or a failure with the power tilt unit the engine can be tilted manual...

Страница 114: ...the boat could unexpectedly start to move which could result in an accident Be sure no one is standing behind you when pulling the starter rope It could whip behind you and injure someone An unguarded rotating flywheel is very dangerous Keep loose clothing and other objects away when starting the engine Use the emergency starter rope only as instructed Do not touch the flywheel or other moving par...

Страница 115: ...ble from the starter if equipped 3 Remove the starter flywheel cover after removing the bolt s 4 Prepare the engine for starting Refer to STARTING ENGINE for details Be sure the engine is in Neutral and that the lock plate is attached to the engine stop lanyard switch The main switch must be ON if equipped ...

Страница 116: ...ert the knotted end of the emergency starter rope into the notch in the fly wheel rotor and wind the rope 1 or 2 turns clockwise 6 Give a strong pull straight out to crank and start the engine Repeat if neces sary ...

Страница 117: ... again without getting repairs When using the emergency circuit the engine control systems will not make the proper adjustments for operating conditions Operate only at low speed less than one quarter throttle Higher engine speeds could result in damage to the engine To start the engine 1 Adjust the trim so that the engine is ver tical 2 Remove the top cowling and locate the yellow wire in the har...

Страница 118: ...park plug holes downward to allow any water mud or contaminants to drain 3 Drain the fuel from the carburetor fuel filter and fuel line Drain the engine oil completely 4 Fill the sump with the fresh engine oil as the same quantity as the engine oil capacity 5 Feed engine fogging oil or engine oil through the carburetor s and spark plug hole s while cranking the engine with the manual starter or em...

Страница 119: ...E 6 EMU00450 Chapter 6 INDEX INDEX 6 1 ...

Страница 120: ...ng the battery 4 30 Controls 3 7 Crossing 1 8 Cruising in other conditions 3 32 Cruising in salt water 3 32 Cruising in shallow water 3 28 3 30 Cruising in turbid water 3 32 D Disconnecting the battery 4 30 E Electric start models 3 12 Electric start models 3 14 Emergency starting engine 5 6 Emission control information 1 2 Engine 3 7 Engine fails to operate 5 8 Engine oil 1 13 Engine stop button ...

Страница 121: ...0 Returning to original position 3 29 Reverse 3 17 Ring free fuel additive 3 8 Rules when encountering vessels 1 8 S Safety information 1 4 Sailing vessel right of way 1 9 Shifting 3 16 Specifications 4 1 Stand on vessel 1 7 Star labels 1 3 Starter button for tiller control model 2 4 Starter will not operate 5 5 Start in gear protection 1 16 Starting engine 3 9 Steering and sailing rules and sound...

Страница 122: ...gistration records are checked 2 Read the Limited Warranty statement which follows these instructions This warranty applies to Yamaha outboard motors sold in the United States whether purchased sepa rately or when supplied as original equipment by a boat builder The terms also apply to original equipment packages sold in Canada with coverage provided by Yamaha Motor Canada see Warranty Guide for C...

Страница 123: ...lable in one country may not be sold or serviced in the other 6 If you need any additional information about your Yamaha or warranty coverage which your dealer cannot provide please contact us directly Yamaha Motor Corporation U S A P O Box 6555 Cypress CA 90630 Attention Customer Relations Department Telephone No 714 761 7439 Fax No 714 761 7559 Yamaha Motor Canada Ltd 480 Gordon Baker Road Toron...

Страница 124: ...im and Tilt Assembly WARRANTY REGISTRATION To be eligible for warranty coverage the outboard motor must be registered with Yamaha Motor Corpora tion U S A Warranty registration can be accomplished by any authorized Yamaha Outboard Motor Dealer Upon receipt of the registra tion an Owner s Warranty Card will be sent by Yamaha to the registered purchaser OBTAINING REPAIRS UNDER WARRANTY To receive re...

Страница 125: ...Yamaha Outboard Motor Dealer and requesting the dealer to submit a change of registration to Yamaha Motor Corporation U S A within ten 10 days of the transfer YAMAHA MOTOR CORPORATION U S A MAKES NO OTHER WARRANTY OF ANY KIND EXPRESSED OR IMPLIED ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE WHICH EXCEED THE OBLIGA TIONS AND TIME LIMITS STATED IN THIS WARRANTY ARE ...

Страница 126: ...l receive service If you need more information about your warranty coverage or your Yamaha outside the U S A or Canada please contact an authorized Yamaha dealer in your country 2 Keep a copy of your sales contract or invoice for the purchase of your Yamaha and present it if you need warranty repairs This document should show the date of pur chase which is important evidence the repairing dealer w...

Страница 127: ......

Страница 128: ...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...

Страница 129: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT ...

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