Yamaha F250 LF250 Owner'S Manual Download Page 24

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Basic components

EMU26340

Tilt support lever for power trim and
tilt or hydro tilt model

To keep the outboard motor in the tilted up po-
sition, lock the tilt support lever to the clamp
bracket.

EMU26382

Top cowling lock lever (pull up type)

To remove the engine top cowling, pull up the
lock lever(s) and lift off the cowling. When in-
stalling the cowling, check 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 46.

ZMU01864

1. Flushing device

U6P212E0.book Page 18 Monday, June 6, 2005 4:23 PM

Summary of Contents for F250 LF250

Page 1: ...F250 LF250 OWNER S MANUAL LIT 18626 06 80 6P2 28199 12 U S A Edition ...

Page 2: ...ZMU01690 Read this owner s manual carefully before operating your outboard motor U6P212E0 book Page 1 Monday June 6 2005 4 23 PM ...

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

Page 4: ...lt switch on bottom engine cowling 16 Power trim and tilt switches twin binnacle type 17 Trim tab with anode 17 Tilt support lever for power trim and tilt or hydro tilt model 18 Top cowling lock lever pull up type 18 Flushing device 18 Digital tachometer 19 Low oil pressure warning indicator 19 Overheat warning indicator digital type 19 Speedometer digital type 20 Trim meter digital type 20 Hour m...

Page 5: ...aning the outboard motor 47 Checking painted surface of motor 47 Periodic maintenance 47 Replacement parts 47 Maintenance chart 48 Maintenance chart additional 49 Greasing 50 Cleaning and adjusting spark plug 51 Checking fuel system 52 Inspecting fuel filter 53 Cleaning fuel filter 53 Changing engine oil 54 Checking wiring and connectors 56 Exhaust leakage 56 Water leakage 56 Engine oil leakage 56...

Page 6: ...nty information for U S A and Canada 70 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY 72 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA 74 U6P212E0 book Page 3 Monday June 6 2005 4 23 PM ...

Page 7: ...s 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 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 ...

Page 8: ...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 low...

Page 9: ...also 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 P...

Page 10: ...ere 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...

Page 11: ... called 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 whi...

Page 12: ...vessel 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 ...

Page 13: ...ly 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 ...

Page 14: ...PORS 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 U6P212E0 book Page 8 Monday June 6 2005 4 23 PM ...

Page 15: ...l 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 EMU25683 Engine oil NOTE If the recommended engine oil grades are not available select an alternative from the fol lowing c...

Page 16: ...over 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 insta...

Page 17: ... in 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 U6P212E0 book Page 11 Monday June 6 2005 4 23 PM ...

Page 18: ...the remote control box 1 Top cowling 2 Anti cavitation plate 3 Trim tab anode 4 Propeller 5 Cooling water inlet 6 Clamp bracket 7 Top cowling lock lever s 8 Power trim and tilt switch 9 Flushing device 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 Fuel management meter 1 Pow...

Page 19: ... 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 accelerator 4 Throttle frict...

Page 20: ...ator 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 to operator preference To...

Page 21: ... 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 be started with the loc...

Page 22: ...itch see pages 35 and 37 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 current po sition WARNING ...

Page 23: ... 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 the boat te...

Page 24: ... the engine top cowling pull up the lock lever s and lift off the cowling When in stalling the cowling check 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 46 ZMU01864 1 Flushing devic...

Page 25: ...he 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 30 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...

Page 26: ...g the selector switch 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 ...

Page 27: ...st reset 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 batt...

Page 28: ...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 trolling en ...

Page 29: ...l flow 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 dis...

Page 30: ... 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 digital speedometer and fuel management meter calculates speed miles traveled and fuel economy by water movement at the stern of the boat This dis...

Page 31: ...continue to operate the engine if a warning device has activated Consult your Yamaha dealer if the problem cannot be located and corrected EMU26823 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 equippe...

Page 32: ...witch of the engine overheating EMU26854 Low oil pressure warning If the oil pressure drops 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 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 lev...

Page 33: ...Basic components 27 CAUTION ECM00100 Do not continue to run the engine if the low oil pressure warning indicator is on Serious engine damage could occur U6P212E0 book Page 27 Monday June 6 2005 4 23 PM ...

Page 34: ...ty 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 hazardous conditions such ...

Page 35: ...aha 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 35 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 engine life CAUTION ECM008...

Page 36: ...se 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 motor in an upright po s...

Page 37: ...itical 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 gasoline vapor will be relea...

Page 38: ...g 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 switch to on NOTE Dual e...

Page 39: ...es 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 the oil level and add oi...

Page 40: ...r 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 EWM00190 When operating in r...

Page 41: ...here 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 motor helps determine the p...

Page 42: ...rying 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 switch To raise the bow ...

Page 43: ...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 difficult and dangerous NOTE Depending on the type of boat the outboard motor trim angl...

Page 44: ... 5 C or below tilt the out board motor up after it has been stopped 30 seconds or more 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 fuel cock 3 Press the power trim and tilt switch pow er tilt switch up until the outboard motor has tilt...

Page 45: ...rim rods completely during mooring This protects the rods from marine growth and corrosion which could damage the power trim and tilt mechanism EMU28053 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 supported by the tilt rod and the tilt sup port lever tilt support knob becomes free 2 Release ...

Page 46: ... water CAUTION ECM01490 If the engine speed is suddenly in creased when the outboard motor is par tially tilted up the power trim and tilt unit could be damaged 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 setting up for and cruising in shallow water Otherwise severe damage from overheating can result EMU28184 Procedure ...

Page 47: ... 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 43 Cruising in turbid water Yamaha strongly recommends that you use the optional chromium plated water pump kit not available for some models if you use the outboard motor in turbid muddy water condi tions U6P212E0 book Pag...

Page 48: ... 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 46 0 A Drive unit Gear positions Forward neutral reverse Gear ratio 2 00 30 15 Trim and tilt system Power trim and tilt Propeller mark F250TR T M LF250TR TL ML Fuel and oil Recommended fuel Premium unleaded gasoline...

Page 49: ...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 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 vic...

Page 50: ...starting the engine be sure to supply wa ter to the cooling water passages CAUTION ECM00310 Avoid 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 eng...

Page 51: ...rosion measures 1 Wash down the exterior of the outboard motor with fresh water and dry off com pletely 2 Spray the outboard motor exterior with Yamaha Silicone Protectant Part No LUB SILCNE 13 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 ...

Page 52: ...m this procedure while the engine is running The water pump may be damaged and severe damage from over heating can result 1 After shutting off the engine unscrew the garden hose connector from the fitting on the bottom cowling 2 Screw the garden hose connector onto a garden hose which is connected to a fresh water supply 3 With the engine off turn on the water tap and let the water flush through t...

Page 53: ...m maintenance unless otherwise specified If you or the owner is not famil iar with machine servicing this work should be done by your Yamaha dealer or other qualified mechanic Maintenance replacement or repair 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 sys...

Page 54: ...clean water after each use The symbol indicates the check ups which you may carry out yourself The symbol indicates work to be carried out by your Yamaha dealer Item Actions Initial Every 10 hours 1 month 50 hours 3 months 100 hours 6 months 200 hours 1 year Anode s external Inspection replace ment Anode s cylinder head thermostat cov er Inspection replace ment Battery Inspection charging Cooling ...

Page 55: ... Actions Every 500 hours 2 5 years 1000 hours 5 years Timing belt Replacement Valve clearance DOHC Inspection adjustment Fuel filter vapor sepa rator tank Replacement OCV oil control valve filter Inspection cleaning Anode s exhaust cov er cooling water pas sage cover Rectifier Regulator cover Replacement Exhaust guide exhaust manifold Inspection replace ment Item Actions Initial Every 10 hours 1 m...

Page 56: ...Maintenance 50 EMU28931 Greasing Yamaha marine grease Water resistant grease U6P212E0 book Page 50 Monday June 6 2005 4 23 PM ...

Page 57: ...ark 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 outboard motor to a Yamaha dealer You should periodically remove and inspect the spark plug because heat and deposits will cause...

Page 58: ...ng 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 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 operat...

Page 59: ...ssembly or replacement could result in a fuel leak which could result in a fire or explosion hazard EMU30640 Cleaning fuel filter NOTE If any water is in the fuel the float will rise If so remove the cup and drain the water 1 Unscrew the filter cup catching any spilled fuel in a rag 2 Remove the filter element and wash it in solvent Allow it to dry Inspect the filter el ement and O ring to make su...

Page 60: ...g the oil drain screw Extracting the oil with an oil changer normal oil change 1 Put the outboard motor in an upright po sition not tilted 2 Pull out the dipstick and use the oil changer to extract the oil 3 Remove the oil filler cap Add the correct amount of oil through the filler hole and install the filler cap CAUTION ECM00970 Do not overfill the oil and be sure the outboard motor is upright no...

Page 61: ...ocal 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 Draining the oil by removing the oil drain screw 1 Remove the four bolts to remove the apron from the starboard side 2 Tilt the outboard motor 5 10 degrees up then turn it entirely to the starboard s...

Page 62: ...m the joints between the exhaust cover cylinder head and body cylinder EMU29140 Engine oil leakage Check for oil leaks on the around the engine NOTE If any leaks are found consult your Yamaha dealer EMU29153 Checking power trim and tilt system WARNING EWM00430 Never get under the lower unit while it is tilted even when the tilt support lever is locked Severe injury could occur if the outboard moto...

Page 63: ... when you are near the propeller Before inspecting removing or install ing the propeller remove the spark plug caps from the spark plugs Also place the shift control in neutral turn the main switch to off and remove the key and remove the lanyard 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 propel ler when loosening or tighte...

Page 64: ...uipped 3 Remove the propeller and thrust washer EMU30670 Installing the Propeller EMU29241 Spline models WARNING EWM00770 On counter rotation models be sure to use a propeller intended for counterclock wise rotation These propellers are identi fied with the letter L after the size indication on the propeller Otherwise the boat could move in the opposite direction from that expected CAUTION ECM0034...

Page 65: ...when the tilt support lever or knob is locked Severe injury could oc cur if the outboard motor accidentally falls 1 Tilt the outboard motor so that the gear oil drain screw is at the lowest point possi ble 2 Place a suitable container under the gear case 3 Remove the gear oil drain screw NOTE If the magnetic gear oil drain screw equipped remove all metal particles from the screw be fore installing...

Page 66: ...or inspection and replacement of inter nal anodes attached to the power unit EMU29320 Checking battery for electric start models 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 We...

Page 67: ... of 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 Cons...

Page 68: ...able must be made from wire thicker than the starting battery cable WARNING EWM00600 Use of smaller wire could lead to a fire NOTE If connecting an accessory battery consult your Yamaha dealer about correct wiring EMU29370 Disconnecting the battery Disconnect the BLACK cable from the NEGA TIVE terminal first Then disconnect the RED cable from the POSITIVE terminal EMU29390 Checking top cowling Che...

Page 69: ...ean 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 ZMU01943 U6P212E0 book Page 63 Monday June 6 2005 4 23 PM ...

Page 70: ...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 31 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spark plug s fouled or of in...

Page 71: ...ent 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 Conne...

Page 72: ...ce 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 adj...

Page 73: ...riously 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 ...

Page 74: ... could 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 ...

Page 75: ...y begin almost immediate ly If you cannot immediately take the outboard motor to a 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 separato...

Page 76: ...Consumer information 70 EMU29811 Important warranty information for U S A and Canada U6P212E0 book Page 70 Monday June 6 2005 4 23 PM ...

Page 77: ...Consumer information 71 U6P212E0 book Page 71 Monday June 6 2005 4 23 PM ...

Page 78: ...Consumer information 72 EMU29830 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY U6P212E0 book Page 72 Monday June 6 2005 4 23 PM ...

Page 79: ...Consumer information 73 U6P212E0 book Page 73 Monday June 6 2005 4 23 PM ...

Page 80: ...Consumer information 74 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA U6P212E0 book Page 74 Monday June 6 2005 4 23 PM ...

Page 81: ...May 2005 2 4 1 CR Printed in Japan Printed on recycled paper YAMAHA MOTOR CORPORATION USA ...

Page 82: ...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 83: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT Warranty card 2 27 02 11 47 AM Page 2 ...

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