Yamaha 15, Owner'S Manual

Page 1: ...9 9 15 OWNER S MANUAL LIT 18626 08 34 63V 28199 1E U S A Edition Read this manual carefully before operating this outboard motor DIC183 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 2: ...ng this outboard motor Keep this manual onboard in a waterproof bag when boating This manual should stay with the outboard motor if it is sold U63V1EE0 book Page 1 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 3: ...special precautions that must be taken to avoid damage to the outboard motor or other property TIP A TIP provides key information to make pro cedures 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 an...

Page 4: ... Boat horsepower rating 13 Mounting motor 13 Battery requirements 13 Without a rectifier or Rectifier Regulator 13 Propeller selection 13 Start in gear protection 14 Engine oil requirements 14 Fuel requirements 14 Gasoline 14 Ring Free Fuel Additive 15 Muddy or acidic water 15 Anti fouling paint 15 Motor disposal requirements 15 Emergency equipment 15 Emission control information 16 North American...

Page 5: ... down manual tilt models 38 Shallow water 39 Cruising in shallow water manual tilt models 39 Cruising in other conditions 40 Maintenance 41 Transporting and storing outboard motor 41 Clamp screw mounting models 41 Storing outboard motor 41 Procedure 42 Lubrication 43 Cleaning and anticorrosion measures 43 Cleaning the outboard motor 43 Checking painted surface of motor 43 Periodic maintenance 43 R...

Page 6: ...n 60 YAMAHA MOTOR CORPORATION U S A OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY 60 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA 63 U63V1EE0 book Page 3 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 7: ...der power and leaving peo ple stranded or running over people or ob jects Always attach the engine shut off cord to a secure place on your clothing or your arm or leg while operating Do not remove it to leave the helm while the boat is moving Do not at tach the cord to clothing that could tear loose or route the cord where it could become en tangled preventing it from functioning Do not route the ...

Page 8: ... when a person is in the water near you EMU33751 Passengers Consult your boat manufacturer s instructions for details about appropriate passenger loca tions in your boat and be sure all passengers are positioned properly before accelerating and when operating above an idle speed Standing or sitting in non designated loca tions may result in being thrown either over board or within the boat due to ...

Page 9: ...vide information about cours es in your area You may also want to consider an Internet based program for basic boater education The Online Boating Safety Course provided by the BoatU S Foundation is approved by the National Association of State Boating Law Administrators NASBLA and recognized by the United States Coast Guard Most but not all states accept this course to meet their minimum requirem...

Page 10: ... mraa com EMU33690 Basic boating rules Rules of the road Just as there are rules that apply when you are driving on streets and highways there are waterway rules that apply when you are driv ing your boat These rules are used interna tionally For USA and are also enforced by the United States Coast Guard and local agencies You should be aware of these rules and follow them whenever you encoun ter ...

Page 11: ...aking you are passing or being passed by another vessel In the following illustration your boat is in the center You should give the right of way to any vessels shown in white area you are the Give Way vessel Any vessels in the shaded area must yield to you they are the Give Way vessels Both you and the meeting vessel must alter course to avoid each other Meeting If you are meeting another power v...

Page 12: ...ssels with trolling lines are not considered fishing ves sels Fishing vessels have the right of way re gardless of position Fishing vessels cannot however impede the passage of other ves sels in narrow channels Sailing vessel right of way Sailing vessels should normally be given the right of way The exceptions to this are 1 When the sailing vessel is overtaking the power driven vessel the power dr...

Page 13: ...and colors to show regulatory or advisory information These markers are white with black letters and orange boarders They signify speed zones restricted areas danger areas and general information Remember markings may vary by geograph ic location Always consult local boating au thorities before driving your boat in unfamiliar waters ZMU01708 U63V1EE0 book Page 7 Tuesday March 3 2009 10 50 AM 2 0 1...

Page 14: ...o the port side of the clamp bracket Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Yamaha dealer or for reference in case your outboard motor is sto len 1 Outboard motor serial number location U63V1EE0 book Page 8 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 15: ... Read all labels on the outboard motor and the boat If you need any additional information contact your Yamaha dealer EMU33831 Warning labels If these labels are damaged or missing contact your Yamaha dealer for replacements 9 9 15 ZMU06037 1 2 3 U63V1EE0 book Page 9 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 16: ...3843 Symbols The following symbols mean as follows Notice Warning Read Owner s Manual 1 2 3 ZMU05697 ZMU05696 ZMU05664 U63V1EE0 book Page 10 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 17: ...ectrical hazard Remote control lever gear shift lever operat ing direction dual direction Engine start Engine cranking ZMU05665 ZMU05666 ZMU05667 ZMU05668 U63V1EE0 book Page 11 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 18: ...e Type 2 stroke L Displacement 246 0 cm Bore stroke 56 0 50 0 mm 2 20 1 97 in Ignition system CDI Spark plug NGK B7HS 10 Spark plug gap 0 9 1 0 mm 0 035 0 039 in Control system Tiller Starting system Manual Starting carburetion system Choke valve Alternator output 80 W Drive unit Gear positions Forward neutral reverse Gear ratio 2 08 27 13 Trim and tilt system Manual tilt Propeller mark J Fuel and...

Page 19: ...ou wish to use a battery with the models without a rectifier or Rectifier Regulator install an optional Rectifier Regulator Using a maintenance free battery with the above models can shorten the life of the bat tery significantly Install an optional Rectifier Regulator or use accessories rated to withstand 18 volts or higher with the above models Consult your Yamaha dealer for details on installin...

Page 20: ...ever possible NOTICE ECM01981 Do not use leaded gasoline Leaded gas oline can seriously damage the engine Avoid getting water and contaminants in the fuel tank Contaminated fuel can cause poor performance or engine dam age Use only fresh gasoline that has been stored in clean containers Gasohol There are two types of gasohol gasohol con taining ethanol E10 and that containing methanol Ethanol can ...

Page 21: ...bustion deposits from inside the engine nota bly the critical piston ring land area and fuel system components Follow product labeling for use instructions EMU36880 Muddy or acidic water Yamaha strongly recommends that you have your dealer install the optional chromium plat ed water pump kit if you use the outboard mo tor in muddy or acidic water conditions However depending on the model it might ...

Page 22: ... for details EMU30390 Approval label of emission control certifi cate This label is attached to the bottom cowling Existing Technology N A EMU25262 Manufactured date label This label is attached to the clamp bracket or the swivel bracket 1 Approval label location ZMU06058 1 1 Manufactured date label location Manufactured ZMU04346 U63V1EE0 book Page 16 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a ...

Page 23: ...rcial users should conform to relevant licensing or approval authority regula tions 1 Top cowling 2 Cowling lock lever 3 Cooling water pilot hole 4 Tilt lock lever 5 Manual starter handle 6 Gear shift lever 7 Engine stop button Engine shut off switch 8 Tiller handle 9 Throttle friction adjuster 10 Clamp screw 11 Carrying handle 12 Choke knob 13 Restraint cable attachment 14 Clamp bracket 15 Trim r...

Page 24: ...EMU25911 Tiller handle To change direction move the tiller handle to the left or right as necessary EMU25922 Gear shift lever Pulling the gear shift lever towards you puts the engine in forward gear so that the boat moves ahead Pushing the lever away from you puts the engine in reverse gear so that the boat moves astern EMU25941 Throttle grip The throttle grip is on the tiller handle Turn the grip...

Page 25: ...hrottle set ting EMU25993 Engine shut off cord lanyard and clip The clip must be attached to the engine shut off switch for the engine to run The cord 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 cord will pull out the clip stopping ignition to the engine This will prevent the boat from running away under pow...

Page 26: ...at position then pull the handle straight out quickly to crank the engine EMU26122 Steering friction adjuster A friction device provides adjustable resis tance to the steering mechanism and can be set according to operator preference An ad justing screw or bolt is located on the swivel bracket 1 Cord 2 Clip 3 Engine shut off switch 1 Use to start a hot engine 2 Use to warm up a cold engine or rest...

Page 27: ...tor from lifting out of the water when in reverse gear To tilt the outboard motor up set the tilt lock lever to the up position To tilt the out board motor down set the tilt lock lever to the down position EMU26332 Tilt support bar The tilt support bar keeps the outboard motor in the tilted up position NOTICE ECM01660 Do not use the tilt support bar when traile ring the boat The outboard motor cou...

Page 28: ...ing the handle up it enables you to carry the outboard motor easily with one hand To set up the carrying handle proceed as fol lows 1 Place the tilt lock lever in the lock posi tion 2 Securely hook the arm on the carrying handle end to the clamp bracket bar NOTICE ECM00080 Place the tilt lock lever in the lock position while using the carrying handle Other wise the lower unit could fall to the gro...

Page 29: ...board motor mounting should show you how to mount your out board motor The outboard motor should be mounted so that the boat is well balanced Otherwise the boat could be hard to steer For single engine boats mount the outboard motor on the cen terline keel line of the boat EMU26923 Mounting height To run your boat at optimum efficiency the water resistance drag of the boat and out board motor must...

Page 30: ...972 Clamping the outboard motor 1 Place the outboard motor on the transom so that it is positioned as close to the cen ter as possible Tighten the transom clamp screws evenly and securely Oc casionally check the clamp screws for tightness during operation of the out board motor because they could become loose due to engine vibration WARNING Loose clamp screws could allow the outboard motor to fall...

Page 31: ...st the same quality of material and strength and must be tightened se curely After tightening test run the engine and check their tightness EWM00651 U63V1EE0 book Page 25 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 32: ...imately 4000 r min Vary engine speed occasionally Run at full throttle for one minute then allow about 10 minutes of operation at three quarter throttle or less to let the engine cool 4 Remaining seven hours Run the engine at any speed However avoid operating at full throttle for more than 5 minutes at a time 5 After the first 10 hours Operate the engine normally Use the standard premix ratio of g...

Page 33: ...uel leaks or gasoline fumes in the boat Check for fuel leakage from the fuel system Check the fuel tank and fuel lines for cracks swellings or other damages EMU37320 Check the fuel filter Check that the fuel filter is clean and free of water If any water is found in the fuel or if a significant amount of debris is found the fuel tank should be checked and cleaned by a Yamaha dealer EMU36891 Contro...

Page 34: ...both hands If the top cowling is loose have it repaired by your Yamaha dealer EMU27234 Filling fuel and engine oil EMU27247 Filling fuel for portable tank WARNING EWM01830 Gasoline and its vapors are highly flam mable and explosive Always refuel ac cording to this procedure to reduce the risk of fire and explosion Gasoline is poisonous and can cause in jury or death Handle gasoline with care Never...

Page 35: ...oline immediately with dry rags Dispose rags properly ac cording to local laws or regulations EMU27406 Gasoline and oil mixing 100 1 NOTICE ECM00811 Avoid using any oil other than the spec ified type Use a thoroughly blended fuel oil mix ture If the mixture is not thoroughly mixed or if the mixing ratio is incorrect the fol lowing problems could occur Low oil ratio Lack of oil could cause ma jor e...

Page 36: ...ne 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 flammable and explosive Refrain from smoking and keep away from open flames and sparks while loosening the air vent screw This product em...

Page 37: ...ntally otherwise fuel cannot be drawn from the fuel tank EMU27493 Starting engine WARNING EWM01600 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 EMU27532 Manual start models WARNING EWM01840 Failure to attached engine shut off cord could result in a runaway boat if opera tor ...

Page 38: ... engine shut off switch 3 Place the throttle grip in the start position 4 Pull out turn the choke knob fully Place the choke knob back in to the second or third position to warm up the engine after starting When the engine has fully warmed up replace the choke knob back in to its home position TIP It is not necessary to use the choke when starting a warm engine If the choke knob is left in the pul...

Page 39: ... passages are frozen it may take a while for water to start flowing out of the pilot hole NOTICE ECM01810 If water is not flowing out of the pilot hole at all times while the engine is running overheating and serious damage 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 prob lem ca...

Page 40: ...speed can prevent you from shifting back to neutral If this occurs stop the en gine shift to neutral then restart the en gine and allow it to warm up To shift out of neutral Move the gear shift lever firmly and crisply for ward for forward gear or backward for re verse gear Be sure to check that the tilt lock lever is in the lock down position if equipped before operating in reverse To shift from ...

Page 41: ...for a few minutes at idle or low speed Stop ping the engine immediately after operating at high speed is not recommended EMU27833 Procedure 1 Push and hold the engine stop button un til the engine comes to a complete stop 2 After stopping the engine tighten the air vent screw on the fuel tank cap and set the fuel cock lever or knob to the closed position if equipped 3 Disconnect the fuel line if y...

Page 42: ...rod away from the transom To lower the bow trim in move the rod to ward the transom Make test runs with the trim set to different an gles to find the position that works best for your boat and operating conditions WARNING EWM00400 Stop the engine before adjusting the trim angle Use care to avoid being pinched when removing or installing the rod Use caution when trying a trim position for the first...

Page 43: ...at the bow is greatly increased heightening the danger of bow steering and making opera tion difficult and dangerous TIP Depending on the type of boat the outboard motor trim angle may have little effect on the trim of the boat when operating EMU27934 Tilting up and down If the engine will be stopped for some time or if the boat is moored in shallows the outboard motor should be tilted up to prote...

Page 44: ...r of the top cowling with one hand and tilt the engine up fully 6 Push the tilt support knob into the clamp bracket Or the tilt support bar will turn to the lock position automatically NOTICE Do not use the tilt support lever or knob when trailering the boat The out board motor could shake loose from the tilt support and fall If the motor cannot be trailered in the normal run ning position use an ...

Page 45: ...an cause the outboard motor to lift out of the water increasing the chance of acci dent and personal injury NOTICE ECM00260 Do not tilt the outboard motor up so that the cooling water inlet on the lower unit is above the surface of the water when set ting up for and cruising in shallow water Otherwise severe damage from overheat ing can result EMU32741 Procedure 1 Place the gear shift lever in neu...

Page 46: ...ages with fresh water to prevent them from becoming clogged Also rinse the outside of the outboard motor with fresh wa ter Cruising in muddy turbid or acidic water Yamaha strongly recommends that you use the optional chromium plated water pump kit see page 15 if you use the outboard motor in acidic water or water with a lot of sediment in it such as muddy or turbid cloudy water Af ter operating in...

Page 47: ...ure it in the tilt position The outboard motor should be trailered and stored in the normal running position If there is insufficient road clearance in this position then trailer the outboard motor in the tilt posi tion using a motor support device such as a transom saver bar Consult your Yamaha dealer for further details EMU28236 Clamp screw mounting models When transporting or storing the outboa...

Page 48: ...op cowling and si lencer cover 4 Install the outboard motor on the test tank 5 Fill the tank with fresh water to above the level of the anti cavitation plate NOTICE If the fresh water level is below the lev el of the anti cavitation plate or if the water supply is insufficient engine seizure may occur ECM00291 6 Cooling system flushing is essential to prevent the cooling system from clogging up wi...

Page 49: ...eaning the outboard motor After use wash the exterior of the outboard motor with fresh water Flush the cooling sys tem with fresh water EMU28460 Checking painted surface of motor Check the motor for scratches nicks or flak ing paint Areas with damaged paint are more likely to corrode If necessary clean and paint the areas A touch up paint is available from your Yamaha dealer EMU37081 Periodic main...

Page 50: ...nance interval guidelines The service intervals provided in the Mainte nance Chart were developed based upon typical use that includes operating at varied speeds with sufficient time for engine warm up and cool down a medium to light load and an average cruising speed near the 3000 to 4000 rpm range As with any engine howev er if your normal operating conditions are dif ferent you should consider ...

Page 51: ...ich you may carry out yourself The symbol indicates work to be carried out by your Yamaha dealer Item Actions Initial Every 20 hours 3 months 100 hours 1 year 300 hours 3 years 500 hours 5 years Anode s external Inspection or replace ment as necessary Anode s cylinder head thermostat cov er Inspection or replace ment as necessary Anodes exhaust cover cooling water passage cover Rectifier Regula to...

Page 52: ...ter from the cooling water pilot hole Inspection Throttle link throttle ca ble throttle pick up tim ing Inspection adjustment or replacement as nec essary Thermostat Inspection or replace ment as necessary Water inlet Inspection Main switch stop switch choke switch Inspection or replace ment as necessary Wire harness connec tions wire coupler con nections Inspection or replace ment as necessary Ya...

Page 53: ...Maintenance 47 EMU28932 Greasing Yamaha marine grease Water resistant grease 9 9 15 U63V1EE0 book Page 47 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 54: ... fire EWM00561 3 Be sure to use the specified spark plug otherwise the engine may not operate properly Before fitting the spark plug measure the electrode gap with a wire thickness gauge replace it if out of spec ification 4 When fitting the plug wipe off any dirt from the threads and then screw it in to the correct torque TIP If a torque wrench is not available when you are fitting a spark plug a...

Page 55: ...13 Checking wiring and connectors Check that each connector is engaged se curely Check that each ground lead is properly se cured EMU32112 Checking propeller WARNING EWM01881 You could be seriously injured if the en gine accidentally starts when you are near the propeller Before inspecting remov ing or installing the propeller place the shift control in neutral turn the main switch to off and remo...

Page 56: ...to the propeller shaft 2 Install the spacer if equipped thrust washer washer if equipped and pro peller on the propeller shaft NOTICE Be sure to install the thrust washer before installing the propeller otherwise the lower case and propeller boss could be damaged ECM01880 3 Install the spacer if equipped and the washer Tighten the propeller nut to the specified torque 4 Align the propeller nut wit...

Page 57: ... dealer ECM01900 TIP 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 4 Remove the oil level plug and gasket to allow the oil to drain completely NOTICE Inspect the used oil after it has been drained If the oil is milky water is getting into the gear case which can cause gear damage...

Page 58: ...ult in a fuel leak which could result in a fire or ex plosion hazard Dispose of old gasoline according to lo cal regulations 1 Empty the fuel tank into an approved con tainer 2 Pour a small amount of suitable solvent into the tank Install the cap and shake the tank Drain the solvent completely 3 Remove the screws holding the fuel joint assembly Pull the assembly out of the tank 4 Clean the filter ...

Page 59: ...sult a Yamaha dealer for replacement of external anodes NOTICE ECM00720 Do not paint anodes as this would render them ineffective TIP Inspect ground leads attached to external an odes on equipped models Consult a Yamaha dealer for inspection and replacement of inter nal anodes attached to the power unit ZMU02067 U63V1EE0 book Page 53 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o ...

Page 60: ...o 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 incorrect type A Inspect spark plu...

Page 61: ...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 securely Alert buzzer sounds ...

Page 62: ...eeds 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 adjust as specified Q Is ignition w...

Page 63: ... the outboard motor hits an object in the wa ter follow the procedure below 1 Stop the engine immediately 2 Inspect the control system and all compo nents for damage Also inspect the boat for damage 3 Whether damage is found or not return to the nearest harbor slowly and careful ly 4 Have a Yamaha dealer inspect the out board motor before operating it again EMU29533 Starter will not operate If the...

Page 64: ...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 EMU29562 Emergency starting engine 1 Remove the top cowling 2 Remove the start in gear protection ca ble from the starter if equipped 3 Remove the starter flywheel cover after removing the bolt s 4 Prepare the engine for starting For fur ther informa...

Page 65: ...edi ately take it to a Yamaha dealer Otherwise some corrosion may begin almost immediate ly NOTICE Do not attempt to run the out board motor until it has been completely inspected ECM00401 U63V1EE0 book Page 59 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 66: ...er information 60 EMU29820 YAMAHA MOTOR CORPORATION U S A OUTBOARD MOTOR TWO YEAR LIMITED WARRANTY U63V1EE0 book Page 60 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 67: ...Consumer information 61 U63V1EE0 book Page 61 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 68: ...Consumer information 62 U63V1EE0 book Page 62 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 69: ...nformation 63 EMU29841 IMPORTANT WARRANTY INFORMATION IF YOU USE YOUR YAMAHA OUTSIDE THE USA OR CANADA U63V1EE0 book Page 63 Tuesday March 3 2009 10 50 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 70: ...A5 tate_Blank fm Page 1 Friday May 16 2003 9 00 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 71: ...A5 tate_Blank fm Page 1 Friday May 16 2003 9 00 AM 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...

Page 72: ...DIC183 April 2009 0 4 1 CR Printed in Japan Printed on recycled paper YAMAHA MOTOR CORPORATION USA 2 0 1 9 Y a m a h a M o t o r C o r p o r a t i o n U S A ...