Yamaha F75D Ower'S Manual Download

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F75D
F90D

May 2004–2.0

1 CR

Printed in Japan

Printed on recycled paper

OWNER’S MANUAL

LIT-18626-06-12

6D6-28199-10

YAMAHA MOTOR CORPORATION, USA

U.S.A.Edition

Summary of Contents for F75D

Page 1: ...F75D ...

Page 2: ...ZMU01690 ...

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

Page 4: ... on bottom engine cowling 15 Trim tab with anode 15 Tilt support lever for power trim and tilt or hydro tilt model 16 Top cowling lock lever pull up type 16 Flushing device 17 Digital tachometer 17 Low oil pressure warning indicator 17 Overheat warning indicator digital type 18 Speedometer digital type 18 Trim meter digital type 19 Hour meter digital type 19 Trip meter 19 Clock 20 Fuel gauge 20 Fu...

Page 5: ...r 45 Cleaning fuel filter 46 Inspecting idling speed 46 Changing engine oil 47 Checking wiring and connectors 49 Exhaust leakage 49 Water leakage 49 Engine oil leakage 49 Checking power trim and tilt system 49 Checking propeller 50 Removing the propeller 51 Installing the propeller 51 Changing gear oil 51 Inspecting and replacing anode s 52 Checking battery for electric start models 53 Connecting ...

Page 6: ... key switch is equipped with the mo tor the key identification number is stamped on your key as shown in the illustration Record this number in the space provided for reference in case you need a new key EMU25220 Emission control information EMU25230 North American models This engine conforms to U S Environmental Protection Agency EPA regulations for ma rine SI engines See the label affixed to you...

Page 7: ...rces Board s 2001 ex haust emission standards Engines meeting these standards have 75 lower emissions than conventional carbureted two stroke en gines These engines are equivalent to the U S EPA s 2006 standards for marine en gines EMU25290 Two Stars Very Low Emission The two star label identifies engines that meet the Air Resources Board s 2004 exhaust emission standards Engines meeting these sta...

Page 8: ... drugs About 50 of all boating fatalities involve intoxication Have an approved personal flotation device PFD on board for every occupant It is a good idea to wear a PFD whenever boat ing At a minimum children and non swim mers should always wear PFDs and everyone should wear PFDs when there are potentially hazardous boating condi tions Gasoline is highly flammable and its va pors are flammable an...

Page 9: ...Guard Headquarters Washington D C 20593 0001 Boating Safety Hotline 1 800 368 5647 National Marine Manufacturers Associa tion NMMA 401 N Michigan Ave Chicago Il 60611 Marine Retailers Association of America 155 N Michigan Ave Chicago Il 60601 EMU25380 Important labels EMU25395 Warning labels EMU25401 Label WARNING EWM01260 Be sure shift control is in neutral before starting engine except 2HP Do no...

Page 10: ...are doing The general prudential rule This rule is called Rule 2 in the International Rules and says In obeying and construing these rules due re gard shall be had to all dangers of navigation and collision and to any special circumstanc es which may render a departure from the above rules necessary in order to avoid im mediate danger In other words follow the standard rules ex cept when a collisi...

Page 11: ...d other vessels Narrow channels and bends When navigating in narrow channels you should keep to the right when it is safe and practical to do so If the operator of a power driven vessel is preparing to go around a bend that may obstruct the view of other water vessels the operator should sound a pro longed blast on the whistle 4 to 6 seconds If another vessel is around the bend it too should sound...

Page 12: ...s are passed on the starboard right side when proceeding from open water into port and black buoys are to port left side When navi gating out of port your position with respect to the buoys should be reversed red buoys should be to port and black buoys to star board Many bodies of water used by boaters are en tirely within the boundaries of a particular state The Uniform State Waterway Marking Sys...

Page 13: ...0010 GASOLINE AND ITS VAPORS ARE HIGH LY FLAMMABLE AND EXPLOSIVE Do not smoke when refueling and keep away from sparks flames or other sources of ignition Stop engine before refueling Refuel in a well ventilated area Refuel portable fuel tanks off the boat ZMU01708 ...

Page 14: ...ine or premium unleaded fuel Gasohol There are two types of gasohol gasohol con taining ethanol and that containing methanol Gasohol containing ethanol can be used if ethanol content does not exceed 10 and the fuel meets minimum octane ratings Yamaha does not recommended gasohol containing methanol because it can cause fuel system damage or engine performance problems EMU25680 Engine oil CAUTION E...

Page 15: ...iate 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 a propeller on your outboard that is best suited to your appli cation NOTE Select a propeller which will allow...

Page 16: ...ee page 50 EMU25770 Start 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 ...

Page 17: ...uates both the shifter and the throttle The electrical switches are mounted on the remote control box 1 Top cowling 2 Top cowling lock lever s 3 Anti cavitation plate 4 Trim tab anode 5 Propeller 6 Cooling water inlet 7 Clamp bracket 8 Flushing device 9 Power trim and tilt switch 10 Remote control box side mount type 11 Digital speedometer 12 Digital tachometer 1 Power trim and tilt switch ...

Page 18: ...e remote control le ver in the neutral position and lift the neutral throttle lever NOTE The neutral throttle lever will operate only when the remote control lever is in neutral The remote control lever will operate only when the neutral throttle lever is in the closed position EMU25970 Throttle friction adjuster A friction device provides adjustable resis tance to movement of the throttle grip or...

Page 19: ...tch lanyard to a secure place on your clothing or 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 without engine power the boat could slow...

Page 20: ...itch 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 EWM01030 Use the power trim and tilt switch located on the bottom engine cowling only when the boat is at a complete stop with the en gine off Attempting to use this switch while the boat is moving could increase the risk of falling overboard and could...

Page 21: ...ical 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 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 stallin...

Page 22: ...he appropriate functions EMU26521 Low oil pressure warning indicator If oil pressure drops too low the warning indi cator will start to blink For further information see page 21 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...

Page 23: ... on all seg ments of the display come on as a test After a few seconds the gauge will change to nor mal operation Watch the gauge when turning on the main switch to make sure all segments come on NOTE The speedometer displays km h mph or knots according to operator preference Se lect the desired unit of measurement by set ting the selector switch on the back of the gauge See the illustration for s...

Page 24: ...tton chang es the display format in the following pat tern Total hours Trip hours Display off Resetting the trip hours Simultaneously pressing the set and mode buttons for more than 1 sec ond while the trip hours are displayed re sets the trip counter to 0 zero NOTE The total number of hours the engine has been run cannot be reset EMU26690 Trip meter This gauge displays the distance the boat has t...

Page 25: ...fuel tank is full CAUTION ECM00860 The Yamaha fuel tank sensor differs from conventional sensors Incorrectly setting the selector switch on the gauge will give false readings Consult your Yamaha deal er on how to correctly set the selector switch NOTE The fuel level reading can be affected by the position of the sensor in the fuel tank and the attitude of the boat in the water Operation with bow u...

Page 26: ...ine 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 The overheat warning indicator will light if equipped on the bottom cowling or the ta chometer The buzzer will sound if equipped on the tiller handle remote control box or main switch panel If the warning system has activated stop the engine...

Page 27: ... the warning system has activated stop the engine as soon as it is safe to do so Check the oil level and add oil as needed If the oil level is correct and the warning device does not switch off consult your Yamaha dealer CAUTION ECM00100 Do not continue to run the engine if the low oil pressure warning indicator is on Serious engine damage could occur ZMU01828 ...

Page 28: ...ossible 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 as poor handling loss of control or fire hazards Observe the following For permanently mounted models your dealer or other ...

Page 29: ...ll 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 EMU27080 Procedure for 4 stroke models Run the engine under load in gear with a pro peller installed as follows 1 For the first hour of operation Run the engine at 2000 r min or at ap proximately half throttle 2 For the...

Page 30: ...hat 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 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 between the upper and lower marks Fill with oil if it is below ...

Page 31: ...w 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 released Gaso line is highly flammable and its vapors are flammabl...

Page 32: ...ontrol 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 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 sec...

Page 33: ...mping 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 If the cooling passage is frozen i...

Page 34: ... a few minutes at idle or low speed Stop ping the engine immediately after operating at high speed is not recommended EMU27851 Procedure 1 Turn the main switch to off 2 After stopping the engine disconnect the fuel line or close the fuel cock if there is a fuel joint or a fuel cock on the boat 3 Tighten the air vent screw on the fuel tank cap if equipped 4 Remove the key if the boat will be left u...

Page 35: ...e Power trim and tilt models WARNING EWM00750 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 drive unit and clamp bracket Use caution when trying a trim position for the first time Increase speed gradu ally and watch for any signs of instability or control problems Improper trim an gle can cause loss of con...

Page 36: ...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 drag Excessive trim out can also cause the propeller to ventila...

Page 37: ...rd If there is a fuel joint on the outboard motor discon nect the fuel line or close the fuel cock if the engine will be tilted for more than a few minutes Otherwise fuel may leak CAUTION ECM00241 Before tilting the outboard motor stop the engine by following the procedure on page 29 Never tilt the outboard mo tor while the engine is running Severe damage from overheating can result Do not tilt up...

Page 38: ...im and tilt switch down to retract the trim rods CAUTION ECM00250 Be sure to retract the trim rods completely during mooring This protects the rods from marine growth and corrosion which could damage the power trim and tilt mechanism 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 suppo...

Page 39: ...er unit is above the surface of the water when set ting up for and cruising in shallow water Otherwise severe damage from overheat ing can result EMU28184 Procedure for power trim and tilt power tilt models 1 Place the gear shift lever in neutral 2 Slightly tilt the outboard motor up to the desired position using the power trim tilt switch 3 To return the outboard motor to the nor mal running posi...

Page 40: ...Operation 35 Cruising in turbid water Yamaha strongly recommends that you use the optional chromium plated water pump kit if you use the outboard motor in turbid mud dy water conditions ...

Page 41: ... 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 380 0 A Min marine cranking amps MCA ABYC 502 0 A Min reserve capacity RC SAE 124 minutes Alternator output for battery DC 25 0 A Drive unit Gear positions Forward neutral reverse Gear ratio 2 31 30 13 Trim and tilt system Power trim and tilt Propeller...

Page 42: ... trailered and stored in the normal running position If there is insufficient road clearance in this position then trailer the outboard motor in the tilt posi tion using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details EMU30061 Storing outboard motor When storing your Yamaha outboard motor for prolonged periods of time 2 months or longer several imp...

Page 43: ...oid running the outboard motor at high speed while on the flushing attachment otherwise overheating could occur 5 Cooling system flushing is essential to prevent the cooling system from clogging up with salt sand or dirt In addition fog ging lubricating of the engine is mandato ry to prevent excessive engine damage due to rust Perform the flushing and fog ging at the same time WARNING EWM00090 Do ...

Page 44: ...00 3 Wax the cowling with a non abrasive wax such as Yamaha Silicone Wax Part No ACC 11000 15 02 EMU28430 Battery care WARNING EWM00330 Battery electrolytic fluid is dangerous it contains sulfuric acid and therefore is poi sonous and highly caustic Always follow these preventive measures Avoid bodily contact with electrolytic fluid as it can cause severe burns or per manent eye injury Wear protect...

Page 45: ... water tap and let the water flush through the cool ing passages for about 15 minutes Turn off the water and disconnect the garden hose 4 When flushing is complete reinstall the garden hose connector on the fitting on the bottom cowling Tighten the connec tor securely CAUTION ECM00540 Do not leave the garden hose connector loose on the bottom cowling fitting or let the hose hang free during normal...

Page 46: ...he emission control devices and systems may be performed by any marine engine repair establishment or individual All war ranty repairs however including those to the emission control system must be per formed by an authorized Yamaha marine dealership A service manual is available for purchase through your Yamaha dealer for owners who have the mechanical skills tools and other equipment necessary t...

Page 47: ... symbol indicates work to be carried out by your Yamaha dealer Item Actions Initial Every 10 hours 1 month 50 hours 3 months 100 hours 6 months 200 hours 1 year Anode s external Inspection replace ment Anode s internal Inspection replace ment Battery Inspection charging Cooling water passag es Cleaning Cowling clamp Inspection Fuel filter can be dis assembled Inspection cleaning Fuel system Inspec...

Page 48: ...ng valve clearance may be required more fre quently than every 500 hours Engine oil Inspection change Oil filter cartridge Change Spark plug s Cleaning adjustment replacement Timing belt Inspection replace ment Item Actions Every 500 hours 2 5 years 1000 hours 5 years Timing belt Replacement Valve clearance DOHC Inspection adjustment Item Actions Initial Every 10 hours 1 month 50 hours 3 months 10...

Page 49: ...e 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 the spark plug to slowly break down and erode If electrode erosion becomes ex cess...

Page 50: ...rc 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 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 im...

Page 51: ... in solvent Allow it to dry Inspect the filter el ement and O ring to make sure they are in good condition Replace them if neces sary If any water is found in the fuel the Yamaha portable fuel tank or other fuel tanks should be checked and cleaned 3 Reinstall the filter element in the cup Make sure the O ring is in proper position in the cup Firmly screw the cup onto the filter housing 4 Attach th...

Page 52: ...For idle speed specifica tions see page 36 EMU29073 Changing engine oil WARNING EWM00760 Avoid draining the engine oil immediate ly after stopping the engine The oil is hot and should be handled with care to avoid burns Be sure the outboard motor is securely fastened to the transom or a stable stand CAUTION ECM00970 Do not overfill the oil and be sure the outboard motor is upright not tilted when ...

Page 53: ... sure that there are no oil leaks CAUTION ECM00680 If the low oil pressure warning indicator does not turn off or if there are oil leaks stop the engine and find the cause Con tinued operation with a problem could cause severe engine damage Consult your Yamaha dealer if the problem cannot be located and corrected 6 Turn off the engine and wait 3 minutes Recheck the oil level using the dipstick to ...

Page 54: ...l leaks on the around the engine NOTE If any leaks are found consult your Yamaha dealer EMU29161 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 motor accidentally falls Make sure no one is under the outboard motor before performing this test 1 Check the power...

Page 55: ...o hold the propel ler when loosening or tightening the 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 ...

Page 56: ...ropeller nut to the specified torque 4 Align the propeller nut with the propeller shaft hole Insert a new cotter pin in the hole and bend the cotter pin ends NOTE If the propeller nut does not align with the pro peller shaft hole after tightening to the speci fied torque tighten the nut further to align it with the hole EMU29281 Changing gear oil WARNING EWM00800 Be sure the outboard motor is secu...

Page 57: ... 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 gear oil drain screw EMU29312 Inspecting and replacing anode s Yamaha outboard motors are protected from corrosion by sacrificial anodes Inspect the external anodes periodically Remove scales from the surfaces of the anodes Consult a Yamaha dealer for replacement of external...

Page 58: ...n egg or vegetable oil Get immediate medical attention Batteries also generate explosive hydro gen gas therefore you should always fol low these preventive measures Charge batteries in a well ventilated ar ea Keep batteries away from fire sparks or open flames for example welding equipment lighted cigarettes and so on DO NOT SMOKE when charging or han dling batteries KEEP BATTERIES AND ELECTROLYTI...

Page 59: ...attery Reversal of the battery cables will dam age the electrical parts Connect the red battery cable first when installing the battery and disconnect the black battery cable first when removing it Otherwise the electrical parts can be damaged The electrical contacts of the battery and cables must be clean and properly connected or the battery will not start the engine Connect the red battery cabl...

Page 60: ...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 ZMU04246 ...

Page 61: ...ed by a Yamaha dealer Q Is shift lever in gear A Shift to neutral Engine will not start starter operates Q Is fuel tank empty A Fill tank with clean fresh fuel Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is fuel filter clogged A Clean or replace filter Q Is starting procedure incorrect A See page 26 Q Has fuel pump malfunctioned A Have serviced by a Yamaha dealer Q Are spar...

Page 62: ...Yamaha dealer Q Is air vent screw on fuel tank closed A Open air vent screw Q Is choke knob pulled out A Return to home position Q Is motor angle too high A Return to normal operating position Q Is carburetor clogged A Have serviced by a Yamaha dealer Q Is fuel joint connection incorrect A Connect correctly Q Is throttle valve adjustment incorrect A Have serviced by a Yamaha dealer Q Is battery ca...

Page 63: ...ect spark plug s Clean or replace with recommended type Q Are weeds or other foreign matter tangled on gear housing A Remove foreign matter and clean lower unit Q Is fuel system obstructed A Check for pinched or kinked fuel line or oth er obstructions in fuel system Q Is fuel filter clogged A Clean or replace filter Q Is fuel contaminated or stale A Fill tank with clean fresh fuel Q Is spark plug ...

Page 64: ...seriously 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 carefu...

Page 65: ... 9 volts or below the electric fuel pump will not operate WARNING EWM01020 Use this procedure only in an emergen cy and only to return to port for repairs When the emergency starter rope is used to start the engine the start in gear protection device does not operate Make sure the remote control lever is in neutral Otherwise the boat could unex pectedly start to move which could re sult in an acci...

Page 66: ...he ignition coil spark plug wire spark plug cap or other electrical components when starting or operating the motor You could get an electrical shock EMU30650 Emergency starting engine 1 Remove the top cowling 2 Lift up the rear of flywheel cover and pull it forward to remove it 3 Prepare the engine for starting For fur ther information see page 26 Be sure the engine is in neutral and that the en ...

Page 67: ...e 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 Feed fogging oil or engine oil through the intake manifold and spark plug holes while cranking with the emergency starter rope 5 Take the outboard m...

Page 68: ...Consumer information 63 EMU29811 Important warranty information for U S A and Canada ...

Page 69: ...Consumer information 64 ...

Page 70: ...Consumer information 65 EMU29830 YAMAHA MOTOR CORPORATION U S A FOUR STROKE OUTBOARD MOTOR THREE YEAR LIMITED WARRANTY ...

Page 71: ...Consumer information 66 ...

Page 72: ...Consumer information 67 EMU29840 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE U S A OR CANADA ...

Page 73: ......

Page 74: ...pliquée à l acheteur au détail OUTBOARD MOTOR MODEL AND SERIAL NUMBER From I D label on clamp bracket MODÉLE ET NO DE SÉRIE DU MOTEUR HORS BORD sur l étiquette d identification de la presse de fixation For Dealer Use Only A l usage du concessionnaire YAMAHA DEALER NUMBER NO DU CONCESSIONNAIRE YAMAHA DEALER NAME NOM DU CONCESSIONNAIRE DATE SOLD DATE DE LIVRAISON OWNER S NAME NOM DU PROPRIÉTAIRE ADD...

Page 75: ...PLACE POSTAGE HERE ATTN WARRANTY DEPARTMENT ...

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