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Yamaha F250, Owner'S Manual

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Yamaha F250 Owner'S Manual Download Page 36

Basic components

30

port soon if the low battery voltage warning
device has activated. For charging the bat-
tery, consult your Yamaha dealer.

EMU31610

Speed & fuel meter unit

This unit shows the boat speed and has the
functions of fuel meter, total fuel consumption
display, fuel economy display, fuel flow dis-
play, and system voltage display. If optional
sensors are connected to the unit, trip display,
water surface temperature display, depth dis-
play, and clock will be available. For the op-
tional sensor, consult your Yamaha dealer.
The speed & fuel meter unit is available in
round or square types. Check your speed &
fuel meter unit type.

ZMU05427

ZMU05428

1. Set button

2. Mode button

1. Speedometer
2. Fuel meter

3. Multifunction display

1. Set button

2. Mode button

2

1

ZMU05432

1

2

3

ZMU05433

2

1

ZMU05434

U6P213E0.book  Page 30  Thursday, March 9, 2006  10:20 AM

Summary of Contents for F250

Page 1: ...F250 LF250 OWNER S MANUAL LIT 18626 07 16 6P2 28199 13 U S A Edition ...

Page 2: ...ZMU01690 Read this owner s manual carefully before operating your outboard motor U6P213E0 book Page 1 Thursday March 9 2006 10 20 AM ...

Page 3: ...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 discrepancies between your machine a...

Page 4: ... Tilt support lever for power trim and tilt or hydro tilt model 18 Top cowling lock lever pull up type 19 Flushing device 19 Water separator 19 Digital tachometer 20 Low oil pressure warning indicator 20 Overheat warning indicator digital type 20 Speedometer digital type 21 Trim meter digital type 21 Hour meter digital type 22 Trip meter 22 Clock 22 Fuel gauge 23 Fuel warning indicator 23 Low batt...

Page 5: ...ance chart 52 Maintenance chart additional 53 Greasing 54 Cleaning and adjusting spark plug 54 Checking fuel system 56 Changing engine oil 56 Checking wiring and connectors 59 Exhaust leakage 59 Water leakage 59 Engine oil leakage 59 Checking power trim and tilt system 60 Checking propeller 61 Removing the propeller 62 Installing the Propeller 62 Changing gear oil 63 Inspecting and replacing anode...

Page 6: ...Table of contents IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA 80 U6P213E0 book Page 3 Thursday March 9 2006 10 20 AM ...

Page 7: ...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 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 affixed to your engine for details EMU31560 App...

Page 8: ...1 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 these standards have 20 l...

Page 9: ...so adversely affect fuel consumption Consult your dealer for correct use Never operate after drinking alcohol or tak ing 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 PFD...

Page 10: ...e you purchased the oil When replacing oils used to lubricate the product engine or gear oil be sure to wipe away any spilt oil Never pour oil without us ing a funnel or similar device If necessary verify the necessary replacement proce dure with the dealer Never illegally discard dump the product Yamaha recommends consulting the deal er on discarding the product Be informed about boating safety A...

Page 11: ...alled the give way or burdened vessel 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 main tain your direction and speed the other vessel will be able to determine how best to avoid you Give way vessel The vessel which...

Page 12: ...ssel which has the other on the starboard right side must keep out of the way of the other If the other vessel is on your right you must keep out of its way you are the Give Way vessel If the other vessel is on your port left side remember that you should maintain course and direction provid ed the other vessel gives you the right of way as it should Overtaking If you are passing another vessel yo...

Page 13: ... in such a channel Reading buoys and other markers The waters of the United states are marked for safe navigation by the lateral system of buoyage Simply put buoys 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 in...

Page 14: ...RS 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 U6P213E0 book Page 8 Thursday March 9 2006 10 20 AM ...

Page 15: ...taining 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 EMU31440 Engine oil NOTE If the recommended engine oil grades are not available select an alternative from the fol lowing chart according...

Page 16: ...er a range of applications but there may be uses where a propeller with a different pitch would be more appropriate For a greater operating load a smaller pitch propeller is more suitable as it enables the correct engine speed 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...

Page 17: ...n gear protection Yamaha outboard motors or Yamaha ap proved remote control units are equipped with start in gear protection device s This feature permits the engine to be started only when it is in neutral Always select neutral before starting the engine U6P213E0 book Page 11 Thursday March 9 2006 10 20 AM ...

Page 18: ...et 6 Clamp bracket 7 Top cowling lock lever s 8 Water separator 9 Power trim and tilt switch 10 Flushing device 11 Tilt support lever 12 Remote control box binnacle mount type 13 Switch panel for use with binnacle type 14 Remote control box binnacle mount type 15 Switch panel for use with binnacle type 16 Digital speedometer 17 Digital tachometer 18 Fuel management meter U6P213E0 book Page 12 Thur...

Page 19: ...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 1 Power trim and tilt switch 2 Remote control lever 3 Free accelerator 4 Throttle friction adjuster 2 1 3 4 ZMU04572 U6P213E0 book Page 13 Thursday March 9 2006 10 20 AM ...

Page 20: ...ator button can only be used when the remote control lever is in the neutral position After the button is pushed the throttle be gins to open after the remote control lever is moved at least 35 After using the free accelerator return the remote control lever to the neutral position The free accelerator button will return auto 1 Remote control lever 2 Power trim and tilt switch 3 Free accelerator 4...

Page 21: ...ed to the engine stop switch for the engine to run The lanyard should be attached to a secure place on the operator s clothing or arm or leg Should the operator fall overboard or leave the helm the lanyard will pull out the lock plate stopping ig nition to the engine This will prevent the boat from running away under power WARNING EWM00120 Attach the engine stop switch lanyard to a secure place on...

Page 22: ...position EMU26141 Power trim and tilt switch on remote control or tiller handle The power trim and tilt system adjusts the out board motor angle in relation to the transom Pressing the switch up trims the out board motor up then tilts it up Pressing the switch down tilts the outboard motor down and trims it down When the switch is re leased the outboard motor will stop in its cur rent position NOT...

Page 23: ...tacle NOTE For instructions on using the power trim and tilt switch see page 43 EMU26161 Power trim and tilt switches twin bin nacle type The power trim and tilt system adjusts the out board motor angle in relation to the transom Pushing the switch up trims the out board motor up then tilts it up Pressing the switch down tilts the outboard motor down and trims it down When the switch is re leased ...

Page 24: ...e A in the figure If the boat tends to veer the right starboard side turn the trim tab end to the starboard side B in the figure CAUTION ECM00840 The trim tab also serves as an anode to protect the engine from electrochemical corrosion Never paint the trim tab as it will become ineffective as an anode EMU26340 Tilt support lever for power trim and tilt or hydro tilt model To keep the outboard moto...

Page 25: ... and the bottom cowling is even all around the cowling If the top cowling is loose or the gap is not even reinstall the cowling 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 50 EMU31702 Water separator This engine has a combination fuel filter water separator and associated warning ...

Page 26: ...nformation see page 32 CAUTION ECM00020 Do not continue to run the engine if the low oil pressure warning indicator is on and the engine oil level is lower Serious engine damage will occur The low oil pressure warning indicator does not indicate the engine oil level Use the oil dipstick to check the remain ing oil quantity For further information see page 36 EMU26581 Overheat warning indicator dig...

Page 27: ...tch on the back of the gauge See the illustration for settings EMU26620 Trim meter digital type This meter shows 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...

Page 28: ...t Press the mode button repeatedly until the indicator on the face of the gauge points to trip To reset the trip meter to zero press the set and mode buttons at the same time NOTE The trip distance is shown in kilometers or miles depending upon the unit of measure ment selected for the speedometer The trip distance is kept in memory by bat tery power The stored data will be lost if the battery is ...

Page 29: ...or in the fuel tank and the attitude of the boat in the water Operation with bow up trim or continuous turning can give false readings EMU26720 Fuel warning indicator If the fuel level decreases to one segment the fuel level warning segment will begin to blink CAUTION ECM00880 Do not continue to operate the engine with full throttle if a warning device has activat ed Get back to the port within tr...

Page 30: ...w display in the following order Press the set button once to display the fuel flow of the starboard engine An for starboard will also be displayed Press the set button a second time to display the fuel flow of the port engine A for port will also be displayed Press the set button a third time to return the display to the total fuel flow of both engines for port and starboard will also be displaye...

Page 31: ...t design weight propeller used engine trim angle sea conditions including wind and throttle position Fuel consumption also var ies slightly with the type of water salt fresh and contaminate levels air temperature and humidity cleanliness of the boat bot tom engine mounting height skill of the op erator and individual gasoline formulation winter or summer fuel and amount of addi tives The Yamaha di...

Page 32: ...om the separator NOTE This indicator only operates when a water separator sensor is equipped EMU31640 Command link multifunction meters Command link multifunction meters have 6 kinds of meter units tachometer unit square or round types speedometer unit square type speed fuel meter unit square or round types and fuel management meter square type The indicator system is slightly different between th...

Page 33: ...pe NOTE The tachometer unit shows various kinds of information according to the setting made us ing the set and mode buttons For details see the attached operation manu al 1 Set button 2 Mode button 1 Tachometer 2 Trim meter 3 Multifunction display 4 Cooling water pressure 5 Cooling water engine temperature 2 1 ZMU05415 2 3 1 4 5 6 7 8 ZMU05416 6 Water detection warning indicator 7 Battery voltage...

Page 34: ...if the buzzer sounds and the low oil pressure warning indi cator blinks Check the engine oil quantity and replenish oil if necessary If the warning de vice has activated while the appropriate en gine oil quantity is maintained consult your Yamaha dealer CAUTION ECM01600 Do not continue to run the engine if the low oil pressure warning device has acti vated Serious engine damage will occur Overheat...

Page 35: ...rain the water from the fuel filter Get back to the port soon and consult a Yamaha dealer immediately CAUTION ECM00910 Gasoline mixed with water could cause damage to the engine Engine trouble warning This indicator will blink when the engine mal functions while cruising Get back to the port soon and consult a Yamaha dealer immedi ately CAUTION ECM00920 In such an event the engine will not oper at...

Page 36: ...oltage display If optional sensors are connected to the unit trip display water surface temperature display depth dis play and clock will be available For the op tional sensor consult your Yamaha dealer The speed fuel meter unit is available in round or square types Check your speed fuel meter unit type ZMU05427 ZMU05428 1 Set button 2 Mode button 1 Speedometer 2 Fuel meter 3 Multifunction display...

Page 37: ...ure display depth display and clock will be avail able For the optional sensor consult your Yamaha dealer NOTE 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 opera tion NOTE The speedometer unit shows various kinds of information according to the setting made us ing the set and mode buttons In addition the speedomete...

Page 38: ...Warning system CAUTION ECM00090 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 EMU26824 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 d...

Page 39: ...ps too low 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 or blink 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...

Page 40: ...y plate of the boat If the boat 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 EWM01520 Improper mounting of the out...

Page 41: ...m angle of the outboard motor see page 41 EMU30173 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 engine life CAUTION ECM00800 Failure to follow the break in procedure could result in reduced engine life or even severe engine damage EMU27081 Procedure for 4 ...

Page 42: ...r damaged fasteners Check the propeller for damage Check that the battery is in good condition and the battery connections are secure EMU31341 Checking the engine oil level 1 Put the outboard motor in an upright po sition not tilted 2 Remove oil dipstick and wipe it clean 3 Completely insert the dipstick and re move it again 4 Check the oil level using the dipstick to be sure the level falls betwe...

Page 43: ...ctions EMU27450 Operating engine EMU31810 Priming fuel system WARNING EWM01530 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 Gasoline is highly flammable and its va pors are flammable and explosive Re frain from smoking and keep away from open flames and sparks This product e...

Page 44: ...rd 3 Turn the main switch to on NOTE Dual engine users When the main switch is turned on the buzzer operates for a few sec onds then stops automatically The buzzer also operates if one of the engines stalls 4 Turn the main switch to start and hold it for a maximum of 5 seconds 5 Immediately after the engine starts re lease the main switch to return it to on CAUTION ECM00191 Never turn the main swi...

Page 45: ...le shows that the water pump is pumping water through the cooling pas sages If water is not flowing out of the pilot hole at all times while the engine is running overheating and serious dam age could occur Stop the engine and check whether the cooling water inlet on the lower case or the cooling water pilot hole is blocked Consult your Yamaha dealer if the problem cannot be located and corrected ...

Page 46: ... as it could cause you to lose control be ejected or impact the steering wheel or other parts of the boat This could increase the risk of se rious injury It could also damage the shift mechanism Do not shift into reverse while traveling at planing speeds Loss of control boat swamping or damage to the boat could occur The boat is not equipped with a separate braking system It is stopped by water re...

Page 47: ... make steer ing 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 readjust the trim angle EMU27882 Adjusting trim angle Power trim and tilt models WARNING EWM00751 Be sure all people are clear of the out board motor when adjusting the tilt an gle also be careful not to pinch any body parts between the driv...

Page 48: ...eer to one side or the other Compen sate for this as you steer The trim tab can also be adjusted to help offset this effect When the bow of the boat is down it is easier to accelerate from a standing start onto plane Bow Up Too much trim out puts the bow of the boat too high in the water Performance and econ omy are decreased because the hull of the boat is pushing the water and there is more air ...

Page 49: ...G EWM01540 Be sure all people are clear of the out board motor when tilting up and down also be careful not to pinch any body parts between the drive unit and engine bracket CAUTION ECM00991 Before tilting the outboard motor follow the procedure under Stopping engine in this chapter Never tilt the outboard motor while the engine is running Se vere damage from overheating can re sult To prevent the...

Page 50: ...ddenly if oil in the power trim and tilt unit loses pressure 5 Models equipped with trim rods Once the outboard motor is supported with the tilt support lever press the power trim and tilt switch power 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 p...

Page 51: ...er or pull out the tilt support knob 3 Push the power trim and tilt switch pow er tilt switch down to lower the out board motor to the desired position EMU28060 Cruising in shallow water The outboard motor can be tilted up partially to allow operation in shallow water EMU30710 Power trim and tilt models power tilt models The outboard motor can be tilted up partially to allow operation in shallow w...

Page 52: ...remote control lever gear shift lever in neutral 2 Slightly tilt the outboard motor up to the desired position using the power trim and tilt switch power tilt switch 3 To return the outboard motor to the nor mal running position press the power trim and tilt switch power tilt switch and slowly tilt the outboard motor down EMU28192 Cruising in other conditions Cruising in salt water After operating...

Page 53: ...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 cold engine IN 0 17 0 23 mm 0 0067 0 0091 in 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 ...

Page 54: ...otor support device such as a transom saver bar Consult your Yamaha dealer for further details EMU30720 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...

Page 55: ...Wash the outboard motor body using fresh water 2 Drain the cooling water completely out of the motor Clean the body thoroughly EMU28401 Lubrication 1 Grease the spark plug threads and install the spark plug s and torque to proper specification For information on spark plug installation see page 54 2 Change the gear oil For instructions see page 63 Inspect the oil for the presence of water that ind...

Page 56: ...manufacturers There fore the following procedures may not always apply Consult your battery manufacturer s in structions Procedure 1 Disconnect and remove the battery from the boat Always disconnect the black negative cable first to prevent the risk of shorting 2 Clean the battery casing and terminals Fill each cell to the upper level with dis tilled water 3 Store the battery on a level surface in...

Page 57: ...ill achieve better results For cooling system flushing instructions see page 48 EMU28450 Cleaning the outboard motor After use wash the exterior of the outboard motor with fresh water Flush the cooling sys tem with fresh water NOTE For cooling system flushing instructions see page 48 EMU28460 Checking painted surface of motor Check the motor for scratches nicks or flak ing paint Areas with damaged...

Page 58: ...cy should be adjusted when op erating the engine under adverse conditions such as extended trolling Disassembly or repairs may be necessary depending on the outcome of maintenance checks Expendable or consumable parts and lubricants will lose their effectiveness over time and through normal usage regardless of the warranty period When operating in salt water turbid or muddy water the engine should...

Page 59: ...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 Fuel filter low pres sure fuel pump to va por separator tank Replacement OCV oil control valve filter Replacement Anode s exhaust cov er cooling water pas sage cover Rectifier R...

Page 60: ...EMU30771 Cleaning and adjusting spark plug WARNING EWM00560 When removing or installing a spark plug be careful not to damage the insulator A damaged insulator could allow external sparks which could lead to explosion or fire U6P213E0 book Page 54 Thursday March 9 2006 10 20 AM ...

Page 61: ...arburetion problem in that cylinder Do not attempt to di agnose any problems yourself 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 1 Remove the bolts that are securing the ignition coil cover and then remove the cover 2 Remove the bolts that are securin...

Page 62: ...00910 Leaking fuel can result in fire or explosion Check for fuel leakage regularly If any fuel leakage is found the fuel sys tem must be repaired by a qualified me chanic Improper repairs can make the outboard unsafe to operate Check the fuel lines for leaks crack or mal function If a problem is found your Yamaha dealer or other qualified mechanic should re pair it immediately Checkpoints Fuel sy...

Page 63: ...all the filler cap CAUTION ECM00970 Do not overfill the oil and be sure the outboard motor is upright 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 could cause leakage or damage 4 Remove oil dipstick and wipe it clean 5 Completely insert the dipstick and re move it again 6 C...

Page 64: ... be sure the level falls between the upper level mark and lower level mark Fill with oil if it is below the lower level mark or drain to the specified level if it is above the upper level mark 9 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 conditi...

Page 65: ...e correct torque with a torque wrench as soon as possible Apply grease to the apron retaining bolts before tightening them 5 Add the engine oil and check the oil level Refer to steps 3 to 9 in the previous oil changing procedure with the oil changer EMU29112 Checking wiring and connectors Check that each grounding wire is properly secured Check that each connector is engaged se curely EMU29120 Exh...

Page 66: ...or up and check that the tilt rod and trim rods are extended completely 4 Use the tilt support lever to lock the motor in the up position Operate the tilt down switch 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...

Page 67: ...e propeller nut Put a wood block between the anti cavitation plate and the propel ler to prevent the propeller from turning Checkpoints Check each of the propeller blades for wear erosion from cavitation or ventilation or other damage Check the propeller shaft for damage Check the splines shear pin for wear or damage Check for fish line tangled around the pro peller shaft Check the propeller shaft...

Page 68: ... case and propeller boss could be damaged Be sure to use a new cotter pin and bend the ends over securely Otherwise the propeller could come off during opera tion and be lost 1 Apply Yamaha marine grease or a corro sion resistant grease to the propeller shaft 2 Install the thrust washer and propeller on the propeller shaft 3 Install the spacer and washer Tighten the propeller nut to the specified ...

Page 69: ...e 3 Remove the cooling water inlet covers on both sides of the gear case Be careful not to lose the bolt and nut 4 Remove the gear oil drain screw and gas ket NOTE If a magnetic gear oil drain screw is equipped remove all metal particles from the screw before installing it Always use new gaskets Do not reuse the removed gaskets 5 Remove the oil level plug and gasket to allow the oil to drain compl...

Page 70: ...g the bolt and nut removed earlier 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 CAUTION ECM00720 Do not paint anodes as this would render them ineffective NOTE Inspect ground leads at...

Page 71: ... 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 ELECTROLYTIC FLUID OUT OF REACH O...

Page 72: ...connect the battery cables in the reverse order consult a Yamaha dealer immediately 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 will 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...

Page 73: ...between the top cowling and the bottom cowling is even all around the cowling 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 graphit...

Page 74: ... 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 37 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spark plug s fouled or of inco...

Page 75: ...t 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 A Connect...

Page 76: ... 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 gap incorrect A Inspect and adjus...

Page 77: ...ously 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...

Page 78: ...ould cause electric system damage and a fire hazard NOTE Consult your Yamaha dealer if the new fuse immediately blows again 1 Electrical cover 2 Fuse puller 3 Spare fuse 5 A 10 A 15 A 20 A 30 A 80 A 1 Electric throttle valve ECM Electronic con trol module fuse 10 A 2 Ignition coil Fuel injector Variable cam shaft timing ECM Electronic control mod ule fuse 30 A 3 Main switch PTT switch fuse 20 A 4 ...

Page 79: ...ble and explosive Do not perform this procedure on a hot or running engine Allow the engine to cool There will be fuel in the fuel filter Keep away from sparks cigarettes flames or other sources of 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...

Page 80: ...filter cup 6 Drain the water in the filter cup by soaking it up with a rag NOTE Properly dispose of the rag 7 Firmly screw the filter cup onto the filter housing NOTE Be careful not to twist the water detection switch lead when screwing the filter cup onto the filter housing 8 Connect the water detection switch cou pler securely until a click is heard 1 Holder 1 Water detection switch coupler 1 Fi...

Page 81: ...Yamaha dealer follow the proce dure below in order to 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 in...

Page 82: ...Consumer information 76 EMU29811 Important warranty information for U S A and Canada U6P213E0 book Page 76 Thursday March 9 2006 10 20 AM ...

Page 83: ...Consumer information 77 U6P213E0 book Page 77 Thursday March 9 2006 10 20 AM ...

Page 84: ...Consumer information 78 EMU29830 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY U6P213E0 book Page 78 Thursday March 9 2006 10 20 AM ...

Page 85: ...Consumer information 79 U6P213E0 book Page 79 Thursday March 9 2006 10 20 AM ...

Page 86: ...Consumer information 80 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA U6P213E0 book Page 80 Thursday March 9 2006 10 20 AM ...

Page 87: ...U6P213E0 book Page 81 Thursday March 9 2006 10 20 AM ...

Page 88: ...March 2006 3 5 1 CR Printed in Japan Printed on recycled paper YAMAHA MOTOR CORPORATION USA ...

Page 89: ...r 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 ADDRESS ADRESSE PHONE ...

Page 90: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT Warranty card 2 27 02 11 47 AM Page 2 ...

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